Patent Publication Number: US-2017355581-A1

Title: Multiple speed jack handle

Description:
CROSS REFERENCE TO RELATED APPLICATION 
     This application claims the benefit to Provisional Application U.S. Ser. No. 62/349,770 filed on Jun. 14, 2016. 
    
    
     BACKGROUND OF THE INVENTION 
     This invention relates to a jack handle. More specifically and without limitation, this invention is directed towards a system for a multiple speed jack handle. 
     Jack handles are old and well known in the art. Conventionally, jacks have a single point of rotation that is used to raise or lower a jack. While this arrangement is effective it has a number of disadvantages. Namely, this limits the speed in which a jack can be raised or lowered due to the rotational circumference the handle must travel to complete a single revolution. The inability to vary the rotational circumference can result in the amount of energy and effort exerted to raise or lower a jack to be more than is necessary. Similarly, the rotational circumference a user must cover is directly related to the amount of time it takes to raise and lower a jack. 
     Thus it is a primary objective of the invention to provide a multiple speed jack handle that improves upon the state of the art. 
     Another object of the invention is to provide a multiple speed jack handle that increases the speed of raising and lowering a jack. 
     Yet another object of the invention is to provide a multiple speed jack handle that is easy to use. 
     Yet another object of the invention is to provide a multiple speed jack handle that is adaptable to existing jacks. 
     Another object of the invention is to provide a multiple speed jack handle that is inexpensive. 
     Another object of the invention is to provide a multiple speed jack handle that is durable. 
     Another object of the invention is to provide a multiple speed jack handle that has a long and useful life. 
     Another object of the invention is to provide a multiple speed jack handle that has an intuitive design. 
     Another object of the invention is to provide a multiple speed jack handle that has a minimum number of parts. 
     Another object of the invention is to provide a multiple speed jack handle that is simple. 
     These and other objects, features, or advantages of the inventions will become apparent from the specification and claims. 
     SUMMARY OF THE INVENTION 
     A multiple speed jack handle system is presented. The jack handle system includes a handle a first elbow and a second elbow with a shaft connected there between. A first knob is adjustably positioned on the shaft between the first elbow and the second elbow. A second knob is attached to the second elbow. An elongated rod is connected to the first elbow. The elongated rod connects to a jack. In this way, presented is a multiple speed jack handle that allows for faster or slower rotation of the jack handle, which in turn increases or decreases how quickly the jack is raised or lowered. 
    
    
     
       BRIEF DESCRIPTION OF THE DRAWINGS 
         FIG. 1  is a perspective exploded view of the multiple speed jack handle system; and 
         FIG. 2  is a perspective view of the multiple speed jack handle system. 
     
    
    
     DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT 
     With reference to the figures, a multiple speed jack handle system  10  is presented. In the embodiment shown, the jack handle system  10  includes a handle  12 , an elongated rod  14 , and a jack  16 . The handle  12  has a first elbow  18  having an end  20 . Preferably the first elbow  18  bends at a right angle but the bend can be of any angle. The first elbow  18  terminates into shaft  22  which terminates in a second elbow  24  that bends at generally a right angle opposite of the first elbow  18 . In an alternative arrangement, the first elbow  18 , shaft  22 , and second elbow  24  are connected in any manner such as permanent connection by welding, by formation out of a single piece of material, snap fitting, frictional engagement, or the like. 
     A first knob  26  is attached to the top of the shaft  22  between the first elbow  18  and the second elbow  24 . The first knob  26  can be attached to the shaft  22  in any manner such as welding, unibody design, snap fitting, frictional engagement or the like. In one embodiment, the first knob  26  is positioned 2.5 inches from the first elbow  18 . Alternatively, knob  26  is slidably attached to shaft  32  with a clamp or the like. The first knob  26  has a grip  28  that is circular and has a concave surface  30  to allow for easy gripping. The grip  28  is connected to a stem  32  that attaches to the shaft  22  of the handle  12 . In alternative arrangements the grip  28  can be of any shape and size. Alternatively, the first knob  26  is slidably attached to shaft  22  in any conventional manner. 
     A second knob  34  is attached to the end of elbow  24 . In the embodiment shown, the second knob  34  is connected to the second elbow  24 , but can also be directly attached to the shaft  22 . The second knob  34  is attached in any manner such as welding, unibody design, snap fitting, frictional engagement or the like. In the arrangement shown, the second knob  34  has a grip  36  with a plurality of ridges  38  that a user can interlock their fingers with. In alternative embodiments the grip  36  can be of any shape and size. 
     The top of the elongated rod  14  connects to the handle  12  at the second end  20  of the first elbow  18 . In the embodiment shown, the rod  14  is connected to the handle  12  by snap fit, but can alternatively be connected in any manner including permanent connection by welding, by formation out of a single piece of material, snap fitting, frictional engagement, or the like. The bottom of elongated rod  14  is attached to the jack  16 . In embodiment shown, the rod  14  extends through the jack  16 . 
     In Operation: A user inserts the elongated rod  14  into the jack  14 . Next, the user attaches the handle  12  to the opposite end of the rod  12 . To raise or lower the jack  14 , the user turns the rod  14  by using either the first knob  26  or the second knob  34  of the handle  12 . If the user wants to quickly raise or lower the jack  14  the user grips the grip  28  of the first knob  26  and begins to rotate the handle  12 . Because the first knob  26  is positioned nearer to the rod  14  the rotational circumference of using the first knob  26  is shorter. This in turn requires less distance to be covered while turning the handle  12 . As such, the user is able to turn the handle  12  faster and raise or lower the jack  14  more quickly. 
     Alternatively, the user can adjust the first knob along shaft  22  to a desired position or use the second knob  34  by gripping the grip  36  and rotating the handle  12 . The second knob  34  is positioned further from the rod  14 , which in turn increases the rotational circumference. The increased distance that must be covered to complete a revolution increases the time to raise or lower the jack  16 . 
     From the above discussion, it will be appreciated that the multiple speed jack handle system  10  presented improves upon the state of the art. That is, the customizable hand tool system presented increases the speed of raising and lowering a jack; is easy to use; is adaptable to existing jacks; is inexpensive, durable, and has a long and useful life; has an intuitive design; is simple; and has a minimum number of parts. 
     It will be appreciated by those skilled in the art that other various modifications could be made to the device without parting from the spirit and scope of this invention. All such modifications and changes fall within the scope of the claims and are intended to be covered thereby.