Abstract:
A rolling ruler comprises a blade member configured to facilitate taking a measurement. The blade member is coupled to a handle that is configured to be gripped by a user, wherein the handle acts as a housing for storing a plurality of electronic components, the plurality of electronic components providing predefined functionalities to the rolling ruler. Further at least one roller with a rolling surface that is partially exposed through a backside of the handle for contacting a surface to be measured is in operable contact with a portion of the plurality of electronic components to facilitate measuring distance based on rotations of the at least one roller.

Description:
CROSS-REFERENCE TO RELATED APPLICATIONS 
       [0001]    This application claims the benefit of the following provisional applications, each of which is hereby incorporated by reference in its entirety: U.S. Ser. No. 61/298,712 filed Jan. 27, 2010. 
     
    
     BACKGROUND 
       [0002]    1. Field 
         [0003]    The methods, systems, and apparatuses described herein relate to the field of hand tools. 
         [0004]    2. Description of the Related Art 
         [0005]    Hand tools are used by users with wide ranges of skills and abilities. Hand tools that improve usability may provide greater benefits to a wider range of users. 
       SUMMARY 
       [0006]    The present invention provides a mechanical tool. The mechanical tool may include a handle, a shank member, a bit member, a cam driver, a motor, and a ratchet system. The handle may be extendable. The shank member may extend from a distal end of the handle. In an embodiment, the length of the shank member may be adjustable. Further, the bit member may be coupled to a distal end of the shank member. In an embodiment, the bit members may be interchangeable. In addition, the cam driver may be capable of rotating the shank member. Further, the motor may be coupled to the cam driver. The motor may provide power to the cam driver. The ratchet system may be configured to provide additional power to the mechanical tool. In an embodiment, the mechanical tool may include a switch that may be coupled to the ratchet system. The switch may be capable of shifting the directions of motion of the shank member. 
         [0007]    In an aspect, the present invention provides a hand tool. The hand tool may include a head portion, a handle, and an opening. The handle may be extending from the head portion longitudinally. Further, the opening may be provided on at least a portion of the handle. The opening may extend from a distal end of the handle towards the head portion. The head portion may include a striking surface and a forked end. In an embodiment, the hand tool may be a one piece hand tool. 
         [0008]    In another aspect of the present invention, a holder for holding a hand tool may be provided. The holder may include a magnet, a plate member covering the magnet, and a plurality of fastening means. Further, the plate member may be configured to hold a plurality of accessories. In an embodiment, the plurality of accessories may include at least one of a nail and a screw. In another embodiment, the plate member may be composed of a metal. The plurality of fastening means may be configured to attach the holder with a user&#39;s clothing. Further, the holder may be composed of a rigid plastic material. 
         [0009]    In an embodiment, the present invention is a measuring device. The measuring device includes a pair of jaws, at least one light source, and an output device. The pair of jaws may be configured to hold an object to be measured. Further, the at least one light source may be coupled to the pair of jaws. The at least one light source may be capable of highlighting a contact area between the measuring device and an object. In an embodiment, the at least one light source may include at least one of a light emitting diode (LED), a halogen lamp, a fluorescent lamp, and the like. Further, the output device may be configured to transfer the measurement readings to an electronic device. In an embodiment, the output device may be a USB cable. Further, the electronic device may be a computer. Further, the measuring device may be a digital caliper. 
         [0010]    In an aspect, the present invention provides a rolling ruler. The rolling ruler may include a blade member configured to facilitate measuring a length of an object; a handle coupled to the blade member and configured to be gripped by a user, wherein the handle acts as a housing for storing a plurality of electronic components, the plurality of electronic components providing predefined functionalities to the ruler; at least one roller with a rolling surface that is partially exposed through a backside of the handle for contacting a surface to be measured, the at least one roller in operable contact with a portion of the plurality of electronic components to facilitate measuring the object length based on rotations of the at least one roller. Furthermore, the blade member may include dimension markings thereon. The markings may define at least one of millimeters, centimeters, inches, and the like. In addition, the blade member may be composed of a steel material, plastic material, wood material, and the like. 
         [0011]    Further, the handle may include a switch for activating a light source. The at least one roller is disposed longitudinally relative to the handle. The at least one roller may be rotatably supported by ball bearings. In an embodiment, the handle may have a rounded shape. The one of the plurality of electronic components may include a battery for providing power to at least one other of the plurality of electronic components. In an embodiment, one of the plurality of electronic components may include a light source for illuminating at least one of the rolling ruler and the object. The light source may be a light emitting diode, halogen lamp, fluorescent lamp, and the like. 
         [0012]    In another embodiment, the one of the plurality of electronic components may include a level that may be configured to determine an orientation of the rolling ruler. Further, the level may be a digital level. The one of the plurality of electronic components may include a digital measuring system configured to provide digital measurement options. The digital measurement options may include alert settings. Further, the alert settings may be provided by a digital alert device. The digital measurement options may further include transmission of data. The transmission of data may be wireless or wired. 
         [0013]    In yet another embodiment, the ruler may be adjustable longitudinally such that the longitudinal length may be adjusted by contracting or expanding the ruler. Further, the ruler may include a display panel. The ruler may also include an adjustable mount for holding markers such as a pen, a pencil, and the like. 
     
    
     
       BRIEF DESCRIPTION OF THE FIGURES 
         [0014]    The invention and the following detailed description of certain embodiments thereof may be understood by reference to the following figures: 
           [0015]      FIG. 1  depicts a perspective view various attachments of a screwdriver; 
           [0016]      FIG. 2  depicts a perspective view of the screwdriver with an extension handle; 
           [0017]      FIG. 3  depicts a perspective view of an offset screwdriver; 
           [0018]      FIG. 4  depicts a perspective view of an extendable arm of the offset screwdriver; 
           [0019]      FIG. 5  depicts various perspective views of a hand tool; 
           [0020]      FIG. 6  depicts a top view of the hand tool; 
           [0021]      FIG. 7  depicts a bottom view of the hand tool along with a holder; 
           [0022]      FIG. 8  depicts a perspective view of a measuring device; 
           [0023]      FIG. 9  depicts a front perspective view of a rolling ruler; 
           [0024]      FIG. 10  depicts a perspective view of the rolling ruler; 
           [0025]      FIG. 11  depicts a cross-sectional view of the handle of the rolling ruler; 
           [0026]      FIG. 12  depicts a front view of the rolling ruler with a digital level; 
           [0027]      FIG. 13  depicts a perspective view of the rolling ruler with a digital measuring system; 
           [0028]      FIG. 14  depicts a perspective view of a display screen of the ruler; 
           [0029]      FIG. 15  depicts a front view of the rolling ruler having a blade member with a measuring edge; and 
           [0030]      FIG. 16  depicts a plan view of the rolling ruler including a brand. 
       
    
    
     DETAILED DESCRIPTION 
     Cam and Leverage Screwdrivers 
       [0031]    The present invention relates to mechanical hand tools such as screw drivers. A screwdriver is a tool for driving screws and rotating other machine elements with a mating drive system. The screwdriver may include a handle and a shank member that may be fixed to the handle. The tip of the shaft may be shaped to fit a particular type of screw. In an embodiment of the present invention, the screwdriver may be rotated manually, by an electric motor, and the like. The present invention provides a mechanical tool. The mechanical tool may include a handle, a shank member, a bit member, a cam driver, a motor, and a ratchet system. The handle may be extendable. The shank member may extend from a distal end of the handle. In an embodiment, the length of the shank member may be adjustable. Further, the bit member may be coupled to a distal end of the shank member. In an embodiment, the bit members may be interchangeable. In addition, the cam driver may be capable of rotating the shank member. Further, the motor may be coupled to the cam driver. The motor may provide power to the cam driver. The ratchet system may be configured to provide additional power to the mechanical tool. In an embodiment, the mechanical tool may include a switch that may be coupled to the ratchet system. The switch may be capable of shifting the directions of motion of the shank member. 
         [0032]      FIG. 1  depicts a perspective view  100  of the various attachments of a screwdriver  102 . The screwdriver  102  may include a handle  104 , a shank member  108 , and a bit member  110  connected to the shank member  108 . The bit member  110  may be shaped to fit a particular type of a screw. In an embodiment, the screwdriver  102  may include interchangeable bit members  110  based on the types of screws. Further, the shank member  108  of the screwdriver  102  may be removable. As shown in  FIG. 1 , the shank member  108  may be adjusted to various lengths as per the requirement of a user. Further, the screwdriver  102  may include a cam driver (not shown) to apply torque by rotating the bit member  110 . In use, the cam driver may rotate the shank member  108  with the help of a motor (not shown). The cam driver is a mechanical linkage that may be used to transform and/or transmit motion from the motor to the rotating shank member  108 . The motor may be powered by means of batteries, AC mains, and the like. Further, the shank member  108 , upon being rotated by the cam driver, may rotate the bit member  110 . In an embodiment, the cam driver may include ball bearings. 
         [0033]    In an embodiment of the present invention, the screwdriver  102  may include a variable torque range and a torque limiting clutch. The clutch may disengage the screwdriver  102  once the preset torque has been reached, thereby preventing over-tightening of the screws. Further, the screwdriver  102  may include a ratchet system built into the cam driver. The ratchet system may lock the bit member  110  to the handle  104  for clockwise rotation. The ratchet system may uncouple the bit member  110  for counterclockwise rotation when set for tightening screws and vice versa for loosening. In powered screwdrivers, the user may push the handle  104  toward a workpiece, causing a pawl in a spiral groove to rotate the shank member  108  and the bit member  110 . 
         [0034]    In an embodiment, the screwdriver  102  may include a switch that may reverse the direction of the ratcheting system to shift between clockwise and counterclockwise motions. Further, the screwdriver  102  may include an extension handle. 
         [0035]    Referring to  FIG. 2 , a perspective view  200  of the screwdriver  102  is depicted with an extension handle  202 . The extension handle  202  may be of the shape of a crowbar. In an embodiment of the present invention, the screwdriver  102  may be an offset screwdriver. 
         [0036]    Referring to  FIG. 3 , a perspective view  300  of an offset screwdriver  302  is depicted. The offset screwdriver  302  may include components similar to the components of the screwdriver  102 . The offset screwdriver  302  may be used at a perpendicular angle as compared to the screwdriver  102 . In other words, an end portion of the shaft member  108  of the offset screwdriver  302  has a ninety degree turn. Instead of twisting the handle  104 , the offset screwdriver  302  may be rotated both clockwise and counter-clockwise. The offset screwdriver  302  may use a leverage type torque by offsetting the shaft member  108 . Further, the offset screwdriver  302  may offer increased leverage, making it easier to turn and remove screws. 
         [0037]    In an embodiment, the shaft member  108  of the offset screwdriver  302  may be removable and may also be adjusted to different lengths. Further, the offset screwdriver  302  may be found with a fixed handle but may include interchangeable shaft members  108  and the bit member  110 . In an instance, the bit members  110  of the offset screwdrivers  302  may be magnetized. The magnetized bit members  110  may be easily matched with the screws. The shaft member  108  may be collapsible for easily carrying the offset screwdriver  302 . The offset screwdriver  302  may also include an extendable arm as shown in  FIG. 4 . 
         [0038]    Referring to  FIG. 4 , a perspective view  400  of an extendable arm  402  of the offset screwdriver  302  is depicted. The extendable arm  402  may be coupled to the handle  104 . 
       Anti-Vibration Hammer 
       [0039]    The invention relates to a hand tool that may dampen the vibrations caused while using the hand tool. The present invention provides a hand tool. The hand tool may include a head portion, a handle, and an opening. The handle may be extending from the head portion longitudinally. Further, the opening may be provided on at least a portion of the handle. The opening may extend from a distal end of the handle towards the head portion. The head portion may include a striking surface and a forked end. In an embodiment, the hand tool may be a one piece hand tool. 
         [0040]    Referring to  FIG. 5 , a perspective view of the hand tool  500  is depicted. The hand tool  500  may be a hammer that may include a head portion  502  and a handle portion  504 . In an embodiment, the head portion  502  may be made up of different materials such as brass, copper, and the like. Likewise, the handle portion  504  may be composed of different materials such as wood, steel, and the like. In an embodiment, the hand tool  500  may be a one-piece hand tool made up of steel material. 
         [0041]    Now referring to  FIG. 6 , a top view  600  of the hand tool  500  is depicted. The head portion  502  may include a striking surface  602  and a tapered forked end  604  for removing nails. The striking surface  602  may be adapted to strike an object such as a nail when the hand tool  500  is swung. The tapered forked end  604  may serve as a claw to grip and pull the nails up by levering the head portion  502 . The handle portion  504  of the hand tool  500  may be explained in conjunction with  FIG. 7 . 
         [0042]    Referring to  FIG. 7 , a bottom view  700  of the hand tool  500  is depicted. The handle portion  504  may include an opening  702 . The opening  702  may make the hand tool  500  lightweight. However, the head portion  502  of the hand tool  500  may remain heavy to facilitate striking objects. In addition, the opening  702  may reduce the stiffness of the handle portion  504  and mitigates vibration transmission by acting as a tuning fork. In an example, when the hand tool  500  strikes an object such as a nail, the opening  702  in the handle portion  504  may intercept the vibrations. The vibrations may travel through the handle portion  504  and thus enables a user to avoid working injury. 
         [0043]    In another embodiment of the present invention, the hand tool  500  may be provided with a holder. In another aspect of the present invention, a holder for holding a hand tool may be provided. The holder may include a magnet, a plate member covering the magnet, and a plurality of fastening means. Further, the plate member may be configured to hold a plurality of accessories. In an embodiment, the plurality of accessories may include at least one of a nail and a screw. In another embodiment, the plate member may be composed of a metal. The plurality of fastening means may be configured to attach the holder with a user&#39;s clothing. Further, the holder may be composed of a rigid plastic material. 
         [0044]    Again referring to  FIG. 7 , a holder  704  to hold the hand tool  500  in place is depicted. The holder  704  may be made up of a rigid plastic material. It will be evident to a person skilled in the art that the holder  704  may also be composed of a leather material, and the like. Further, the material of the holder  704  may be strong enough so that the holder  704  may not break in hot and cold weather conditions. 
         [0045]    In an embodiment, the holder  704  may include a magnet  708  that may facilitate holding hand tool  500  that may be made up of a steel material. In an embodiment, the magnet  708  may be made up of a rare earth or other type of material. In an example, when a person gets on a roof, the magnet  708  nay not let the hand tool  500  slip away from the holder  704 . In addition, the plastic material of the holder  704  may not create noise that the hand tools make with metal loops. 
         [0046]    Further, the holder  704  may include a metal plate  710  for holding nails, screws, and the like. The metal plate  710  may provide quick and easy access to the nails, screws, and the like. The holder  704  may be attached to a tool belt or clothing of the user. In an embodiment, the holder  704  may include fasteners such as rivets  712  that may be attached to the tool belt. The rivets  712  may allow the holder  704  to be ridged onto a mounted surface such as a leather bag, a belt, and the like. 
       Backlit Caliper Tools 
       [0047]    The present invention provides a measuring device with a light source. Referring to  FIG. 8 , a perspective view  800  of a measuring device such as a caliper  802  is depicted. In the present embodiment, the caliper  802  may be a digital caliper. The caliper  802  may include a pair of internal jaws  804 , a pair of external jaws  808 , a display window  810 , a locking screw  812 , a light source  814  and an output device  818 . 
         [0048]    Further, the light source  814  may be coupled with the pair of internal jaws  804  and the pair of external jaws  808 . The light source  814  may highlight a contact area between an object  820  and the jaws of the caliper  802 . The light source  814  may include a Light Emitting Diode (LED), and the like. 
         [0049]    The output device  818  may facilitate a user to download the measurement data taken by the caliper  802  to an electronic device such as a personal computer. In other words, the output device  818  may enable the caliper  802  to be interfaced with the personal computer. The measurement data may be transmitted to the computer by means of Bluetooth, Universal Serial Bus (USB), and the like. The digital interface may improve the reliability of the measurement data. Further, the output device  818  may enable a user to directly enter the measurements into a spreadsheet, a statistical process control program, and the like. 
         [0050]    In an embodiment, the measurement data may be streamlined from the caliper  802  into drawing software of the personal computer. Examples of the drawing software may include, but are not limited to, AutoCAD, CorelDraw, and the like. The users may use such drawing software to prepare drawings directly from the measurement data. The users may need to take a license of the software before being able to use it. 
       Rolling Ruler 
       [0051]    The present invention provides a ruler, and more specifically, a rolling ruler for drawing sets of horizontal and vertical parallel lines. Referring to  FIG. 9 , a front view  900  of a rolling ruler  902  is depicted. The rolling ruler  902  may include a blade member  904  and a handle  908 . The blade member  904  may be configured with markings such as ruler measurements. The ruler measurements may be provided in different units. The units of measurements may include but are not limited to millimeters, centimeters, and inches. Further, the blade member  904  may be composed of a steel material. It will be evident to a person skilled in the art that the blade member  904  may also be made up of materials other than steel such as plastic, wood, and the like. 
         [0052]    Further, referring to  FIG. 10 , a perspective view  1000  of the rolling ruler  902  is depicted. In an embodiment, the handle  908  may be extruded to form an enclosure  1002  that may be disposed on a lateral edge of the rolling ruler  902 . The enclosure  1002  may provide interiors for configuring electronic devices, roller mounts and sensors, and the like inside the enclosure. For example, the enclosure  1002  may act as a housing for storing batteries inside. In another embodiment, the handle  908  may be an ergonomic handle that may be attached to the rolling ruler  902 . The ergonomic handle may enable a user to firmly grip the handle  908 . In an example, the handle  908  may include a slot for placing a thumb and gripping the rolling ruler  902  with the fingers. In another example, the handle  908  may include a soft grip material such as an encapsulated gel material. Further, the handle  908  may be adjustable through a longitudinal axis of the rolling ruler  902 . 
         [0053]    In the above example, the handle  908  includes storage for electronics, such as batteries. The batteries may be connected to a light source (not shown) such as light emitting diode (LED), halogen lamps, and the like. The light source may enable a user to view a work areas for using the rolling ruler  902  in poor light conditions. 
         [0054]    In embodiments, the light source may be disposed between the blade member  904  and the handle  908  of the rolling ruler  902 . Specifically, the light source may be disposed to provide illumination from the rear of the blade member  904  of the rolling ruler  902 . Such an arrangement of the light source may highlight the working area of the rolling ruler  902 . This may enable the user to view the work area to record the measurements clearly in low lighting conditions. 
         [0055]    In an embodiment, the handle  908  may include a power switch  1010 . The switch  1010  may be a toggle or push button for activating the rolling ruler  902 . The switch  1010  may be disposed at an end portion of the handle  908 . It will be evident to a person skilled in the art that the switch  1010  may be configured at any location other than the end portion of the handle  908  as per requirement and convenience. 
         [0056]    A microcontroller  1008  may provide various controls to the rolling ruler  902 . For example, the microcontroller  1008  may facilitate communication between the rolling ruler  902  and an electronic device such as a computer, mobile phone, and the like. Further, the microcontroller  1008  may allow the user to store various measurements in the rolling ruler  902 . In an embodiment, a roller  1012  disposed within the handle  908  of the rolling ruler  902  may turn on an encoder  1010  that may be detected by the microcontroller  1008 . The encoder may convert the movement of the roller  1012  to a digital value that may be read by the microcontroller  1008 . 
         [0057]    In an embodiment, the rolling ruler  902  may also be manufactured in various sizes and shapes, potentially depending on the intended use or target industry. In an example, the rolling ruler  902  may be small in size that may be used in applications that are similar to using a measuring tape. In another example, the rolling ruler  902  may be longitudinally long to facilitate measuring a wide surface. In another example, the length of the rolling ruler  902  may be adjustable. Such a rolling ruler  902  may be expanded or contracted in length as per the requirement. 
         [0058]    Now, referring to  FIG. 11 , a cross-sectional view  1100  of the rolling ruler  902  is depicted. The handle  908  may include ball bearings  1102  for reducing rotational friction of the roller  1104 . In an embodiment, the roller  1104  may be fixed to the rolling ruler  902  and may rotate around a single axis. Thereby, the roller maintains the same speed of the user induced movement rolling ruler  902  to provide a straight line measurement. In an example, the rolling ruler  902  may include a single roller  1104  or a plurality of in-line rollers. The roller  1104  may be configured with the handle  908  of the rolling ruler  902  thereby providing a roller shape to the rolling ruler  902 . In yet another example, the rolling ruler  902  may include three or more in-line rollers that may be placed between the two ends of the handle  908 . The ball bearings  1102  may be provided at either or both ends of the roller(s)  1104 . Further, the roller may facilitate the user to drag the blade member  904  of the rolling ruler  902  with convenience. In an embodiment, the roller may be include plastic material that may have a rolling surface. Further, the wheels may include metal portions, a non-slip rolling surface, and the like. 
         [0059]    In an embodiment, the rolling ruler  902  may include a digital level. Referring to  FIG. 12 , a front view  1200  of the rolling ruler  902  with a digital level  1202  is depicted. The digital level  1202  may accurately indicate whether the rolling ruler  902  is being held in a horizontal, vertical, or other angle. Further, the digital level  1202  may be used for placing the rolling ruler  902  at a specific angle. For example, the user may place the rolling ruler  902  and orient it so the display reads 45 degrees. Further, the digital level  1202  may be controlled by one or more push buttons  1204  that may be used to adjust the digital level settings in the rolling ruler  902 . For example, the user may save a measurement taken at a particular angle in the rolling ruler  902  by pressing one of the buttons  1204 . While taking another measurement, the user may reset the memory of the rolling ruler  902  by pushing a button. 
         [0060]    In an embodiment, the rolling ruler  902  may include a digital measuring system. Referring to  FIG. 13 , a perspective view  1300  of the rolling ruler  902  with a digital measurement and display system  1302  is depicted. The digital measurement and display system  1302  may be controlled by the microcontroller  1008 . In another embodiment, the digital measurement and display system  1302  may determine a distance travelled by the roller and may display the distance to the user. 
         [0061]    Further, the digital measurement and display system  1302  may be controlled by various feature keys  1204  to the rolling ruler  902 . As mentioned herein, the handle  908  may include keys  1204  that may enable the user to set various functions as per the requirement. The keys  1204  may allow the user to choose a language, a unit of measurement, and the like. For example, the user may switch the measuring units from inches to millimeters; the user may reset any reading to zero, and the like. In another example, the digital measurement and display system  1302  may include customized screens for each measuring unit. In embodiments, the handle  908  may include keys  1204  for setting various functions. The functions may include but are not limited to inches/millimeters/fractions, start, stop, reset, interval measurement, capture and save, capture and transmit captured measurement, and alerts. The functions mentioned above will be explained in detail in later paragraphs. The user may select INCHES as the measuring unit by using the keys  1204 . The digital measurement and display system  1302  may display a customized screen for taking measurements in INCHES. In yet another example, the keys  1204  may include ‘+’ and ‘−’ keys for scrolling through different screen types. 
         [0062]    In embodiments, the keys  1204  may facilitate the rolling ruler  902  too be used in a stop watch measuring mode. For example, to measure the distance from one end of a wall to the center of the wall, the user may press a start key at one end and may drag the rolling ruler  902  to the center of the wall. After reaching the center of the wall, the user may press a stop key that captures the measurement when the key is pressed and zeros the display. The user may continue rolling the rolling ruler  902  to a second point and press a stop key to finish measuring and to capture that measurement. The user may press a display or other key to toggle between the first captured measurement and the last captured measurement. The user may press a key that may display the total distance measured. These and other stop-watch type features may be included. Further, the measurements recorded by the rolling ruler  902  may be stored in the memory of the rolling ruler  902  for future use. The digital measurement and display system  1302  may record and store multiple measurements in the memory of the rolling ruler  902 , such as a memory in the microcontroller  1008 . 
         [0063]    In an embodiment, the digital measurement and display system  1302  may facilitate transmission of measurements recorded in the rolling ruler  902  to the electronic device such as a computer, mobile phone, and the like. Again referring to  FIG. 13 , the rolling ruler  902  may include a button  1204  for facilitating data transmission between the rolling ruler  902  and the electronic device. In an embodiment, the data transmission may take place through wireless communication. For example, button may enable data transmission through Bluetooth by activating the Bluetooth of the rolling ruler  902 . In another embodiment, the rolling ruler  902  may include proximity sensors for detecting nearby electronic devices. A button  1204  may activate the proximity sensors and may enable the user to interact with the electronic devices. In another embodiment, the data transmission may take place through wired communication. For example, the user may directly pug in the electronic device to the rolling ruler  902 . 
         [0064]    In embodiments, the digital measurement and display system  1302  may include a measurement detection feature that may allow the user to set an alert to be generated at a preset distance. Further, the alert may be an audio indication such as a beep, a visual indication such as blinking the display or the light, a combination of both audio and visual indications, and the like. For example, the user may set an alert each time the ruler travels 16 inches along a surface. The alert function of the rolling ruler  902  may beep after every 16 inches travelled by the wheels of the rolling ruler  902 . Alerts may be associated with the digital level. In another example, the user may set an alert signal when the rolling ruler  902  is in a vertical orientation, such as might be desirable when positioning a framed wall section. 
         [0065]    Referring to  FIG. 14 , a perspective view  1400  of a display panel  1402  of the rolling ruler  902  is depicted. The display panel  1402  may display information about the measurements recorded by the rolling ruler  902 . The display panel  1402  may be a liquid crystal display (LCD), a light emitting diode (LED) display, and the like. The LCD may include a backlight. In an embodiment, the display may be programmable. For example, the display may be programmed for blinking while displaying a new measurement. Further, the display may be programmed to blink when the rolling ruler  902  is switched on or off. In embodiments, the display panel  1402  may be in co-ordination with the roller, such as through the microcontroller  1008 . For example, the display panel  1402  and the roller may be coordinated by the microcontroller  1008 , such that the movement of the roller will be displayed on the display panel  1402 . 
         [0066]    In an embodiment, the blade member  904  of the rolling ruler  902  may include a measuring edge. Referring to  FIG. 15 , a front view  1500  of the rolling ruler  902  having the blade member  904  with a measuring edge  1502  is depicted. In an embodiment, the measuring edge  1502  may be a flat lateral edge. In another embodiment, the measuring edge  1502  may include a relief on the side opposite the side with the measurement markings that may form a ridge. The ridge may enable the user to securely capture an end of a wooden plank for accurate end-in measurement. For example, the user may engage the ridge of the measuring edge  1502  with an end portion of the wooden plank. The end portion may be a starting point for taking a measurement. The user may thereafter, set the readings of the rolling ruler  902  to zero before taking new measurements. 
         [0067]    As described herein above, the rolling ruler  902  may include a microcontroller. The microcontroller may control the supply of power to the rolling ruler  902 . For example, if the rolling ruler  902  has been lying unused for some time, the microcontroller may automatically switch off the power supply to the rolling ruler  902 . In an embodiment, the user may set a time interval as an idle time after which the microcontroller may switch off the power supply. Further, the rolling of the roller may signal to the microcontroller to automatically turn on other electronic components of the rolling ruler  902 . For example, the rolling of the roller of the rolling ruler  902  may automatically measure distance, and may also display the measurements on the display panel  1402 . 
         [0068]    In embodiments, the rolling ruler  902  may also provide private label branding opportunities for a supplier of the rolling ruler  902 . Referring to  FIG. 16 , a front perspective view  1600  of the rolling ruler  902  including a brand  1602  is depicted. In embodiments, the brand  1602  may be a company logo, a trade name, a trademark, an image, or some other type of branding. The brand  1602  may be placed on the rolling ruler  902  by a process, including, but not limited etching, burning, printing, pressing, scratching, painting or some other process. Further, the brand  1602  may be disposed on any locations such as the blade member  904  and the handle  908 . The brand  1602  may be in different colors as per the supplier. In an example, the light source may generate a certain color to coordinate with the private label brand color. Further, the brand  1602  may be displayed on the display panel  1402  as a logo. 
         [0069]    In addition, the rolling ruler  902  may include an adjustable mount, such as an elongated recess (not shown) for holding markers such as a pen, pencil, and the like. 
         [0070]    While the invention has been disclosed in connection with the preferred embodiments shown and described in detail, various modifications and improvements thereon will become readily apparent to those skilled in the art. Accordingly, the spirit and scope of the present invention is not to be limited by the foregoing examples, but is to be understood in the broadest sense allowable by law. 
         [0071]    All documents referenced herein are hereby incorporated by reference.