Abstract:
A multi-track nail insertion tool that contains two or more tracks for holding nails allows the user to use a single tool for inserting a variety of sizes of nails. The multiple tracks allowing the user to load a variety of sizes of nails during a single loading process. The user would then adjust the multi-track nail insertion tool to select the desired nail size. The multiple tracks or reservoirs can be selected by rotating the multiple tracks, sliding the multiple tracks, selecting one of multiple insertion mechanisms, and adjusting the position of the nail insertion applicator. The reservoirs can be designed whereby one reservoir can support one nail gauge size and a second reservoir can support a different nail gauge size. An alternate can include a design that is adjusted or with replaceable components to provide the ability to change nail gauge sizes. The multi-track nail insertion tool can include a reference to allow the user to indicate which length of nail has been placed within the nail reservoirs. The multi-track nail insertion tool can be enhanced by including commonly known features, such as safety switches, various loading means, etc.

Description:
FIELD OF THE INVENTION  
         [0001]    The present invention relates to a nail gun, more specifically a nail gun with the capability of containing multiple sizes of nails simultaneously and allowing the user to select and insertion any of the various inserted sizes of nails.  
         BACKGROUND OF THE INVENTION  
         [0002]    Nail and staple insertion tools, commonly referred to as “Nail guns” or “Staple guns” are known to have the capability of loading a variety of sizes of nails and/or staples within a single chamber. The current configurations are generally of a single chamber and a single insertion system, whereby the insertion system includes a mechanism with a single insertion pin, the pin and placement designed to apply a single insertion force to a single location.  
           [0003]    The currently known nail and staple insertion tools are limited whereby the current technology allows for the loading a variety of sizes of at least one of nails and staples, but the technology is confined to the ability to insertion only a single size. This is further substantiated whereby all currently known nail and staple insertion tools comprise a single loading chamber which limits the user to the ability of only insertion a single object positioned respective to a single insertion force applicator.  
           [0004]    What is desired is a nail insertion tool, which allows the user to load a variety of sizes of nails and the user to select and insertion a specific sized nail without having to change the size of the nails loaded within the apparatus. An apparatus providing a means for presenting multiple sizes of nails simultaneously to at least one insertion force applicator.  
         SUMMARY OF THE INVENTION  
         [0005]    One aspect of the present invention is a nail insertion tool comprising multiple nail feeding chambers.  
           [0006]    A second aspect of the present invention is a nail insertion tool comprising a insertion selection mechanism.  
           [0007]    A third aspect of the present invention is a nail insertion tool comprising a plurality of insertion force applicators.  
           [0008]    A forth aspect of the present invention is a nail insertion tool comprising an insertion selection mechanism, whereby the insertion selection mechanism selects between a plurality of insertion force applicators.  
           [0009]    A fifth aspect of the present invention is an insertion mechanism, the insertion mechanism comprising a primary insertion mechanism (such as a piston and cylinder), an insertion selection member, and a plurality of insertion mechanism force applicators.  
           [0010]    A sixth aspect of the present invention further enhances the fifth aspect of the present invention wherein said insertion selection mechanism further comprising a sliding mechanism, the sliding mechanism selectively engages the insertion mechanism force applicator with one of the plurality of insertion mechanism force applicators.  
           [0011]    A seventh aspect of the present invention further enhances the fifth aspect of the present invention wherein said insertion selection mechanism further comprising a rotating mechanism, the rotating mechanism selectively engages between the primary insertion force presentation member and one of the plurality of secondary insertion force applicators.  
           [0012]    An eighth aspect of the present invention is a nail insertion tool comprising a plurality of insertion pneumatic chambers.  
           [0013]    A ninth aspect of the present invention is a nail insertion tool comprising a pneumatic insertion selection mechanism, whereby the pneumatic insertion selection mechanism selects between each of a plurality of insertion pneumatic chambers.  
           [0014]    A tenth aspect of the present invention is a nail insertion tool comprising a insertion mechanism, the insertion mechanism comprising a plurality of insertion pneumatic chambers, each with a respective insertion valve, a pneumatic insertion selection member, and a plurality of insertion force applicators, whereby each insertion pneumatic chamber is coupled to a insertion force applicator.  
           [0015]    An eleventh aspect of the present invention further enhances the tenth aspect of said pneumatic insertion selection mechanism, the pneumatic insertion selection mechanism comprising a sliding mechanism, the sliding mechanism selectively engages between a insertion trigger and one of the plurality of insertion valves.  
           [0016]    A twelfth aspect of the present invention further enhances the tenth aspect of said pneumatic insertion selection mechanism, the pneumatic insertion selection mechanism comprising a rotating mechanism, the rotating mechanism selectively engages between a insertion trigger and one of the plurality of insertion valves.  
           [0017]    A thirteenth aspect of the present invention further enhances the tenth aspect of said pneumatic insertion selection mechanism, the enhancement comprising a plurality of selection members preferably positioned on the upper portion of the nail gun body whereby the user can depress the selection member with a thumb prior to actuating the insertion trigger.  
           [0018]    A fourteenth aspect of the present invention further enhances the tenth aspect of said pneumatic insertion selection mechanism, the enhancement comprising a means of selecting the desired insertion chamber within a trigger mechanism.  
           [0019]    A fifteenth aspect of the present invention further enhances the fourteenth aspect of the present invention, the enhancement furthers said pneumatic insertion selection mechanism, said pneumatic insertion selection mechanism further comprising a slide mechanism to position the insertion trigger mechanism respective to the desired insertion chamber.  
           [0020]    A sixteenth aspect of the present invention further enhances the fourteenth aspect of the present invention, the enhancement furthers said pneumatic insertion selection mechanism comprising a plurality of actuation members positioned within a rotating pneumatic selection member positioned between the trigger mechanism and the pneumatic chambers, whereby the rotation of the rotating pneumatic selection member directly or indirectly engages the trigger mechanism and a single, desired insertion chamber actuation valve.  
           [0021]    A seventeenth aspect of the present invention, the multi-track nail apparatus comprising a plurality of nail feeding chambers and a means of adjusting the position of the plurality of nail feeding chambers respective to a single insertion mechanism.  
           [0022]    An eighteenth aspect of the present invention further enhances the seventeenth aspect of the present invention, the enhancement furthers the means of adjusting the position of the plurality of nail feeding chambers respective to a single insertion mechanism, whereby the means of adjusting the position is controlled by rotating the multiple tracks about a pivot point positioned in a manner whereby the pivoting motion positions the desired nail within the desired nail feeding chamber proximate the insertion force actuator.  
           [0023]    A nineteenth aspect of the present invention comprising a plurality of nail chambers, the embodiment comprising at least one nail chamber providing a means to load the at least nail chamber from the side of the apparatus.  
           [0024]    A twentieth aspect of the present invention comprises two nail chambers arranged in parallel, each providing a means to load the nail chamber from the side of the apparatus.  
           [0025]    A twenty-first aspect of the present invention enhances the twentieth aspect of the present invention, the enhancement furthers the two nail chambers arranged in parallel; the two nail chambers arranged in parallel comprising a first nail chamber having access on a first side of the nail gun, a second nail chamber having access on a second side of the nail gun, whereby the first side is opposing the second side of the nail gun.  
           [0026]    A twenty-second aspect of the present invention comprising a plurality of nail chambers, the embodiment comprising at least two nail feeding chambers, providing a means to load at least one of the at least two nail feeding chambers from at least one of the front, rear, top, and bottom of the apparatus.  
           [0027]    A twenty-third aspect of the present invention comprising a plurality of nail feeding chambers, the embodiment comprising at least one nail feeding chamber providing a means to load the at least nail feeding chamber from the side of the apparatus and a second means for loading at least a second nail feeding chamber from at least one of the front, rear, top, and bottom of the apparatus.  
           [0028]    A twenty-forth aspect of the present invention, the apparatus comprising a plurality of nail feeding chambers, the embodiment comprising a first nail feeding chamber having access for loading nails on a first side of the nail gun, a second nail feeding chamber having access for loading nails on a second side of the nail gun, and at least a third nail feeding chamber having access for loading nails from at least one of the front, rear, top, and bottom of the nail gun.  
           [0029]    A twenty-fifth aspect of the present invention is the inclusion of a plurality of parallel nail guide slots, whereby each nail guide slot is positioned respective to standard nail lengths and head dimensions.  
           [0030]    A twenty-sixth aspect of the present invention comprises a safety switch for actuation of the insertion mechanism.  
           [0031]    A twenty-seventh aspect of the present invention comprises a safety switch inclusive within the insertion selection mechanism.  
           [0032]    A twenty-eighth aspect of the present invention is a tapered insertion end.  
           [0033]    A twenty-ninth aspect of the present invention is a tapered insertion end, wherein the tapered insertion end is moveably coupled to the mechanical insertion selection mechanism, whereby the motion of the mechanical insertion selection mechanism positions the tapered insertion end proximate the respective nail feeding chamber.  
           [0034]    A thirtieth aspect of the present invention is the inclusion of a nail retaining member respective to each nail feeding chamber.  
           [0035]    A thirty-first aspect of the present invention is the inclusion a detent or other mechanism respective to the insertion selection mechanism to provide mechanical feedback to the user respective to the selected insertion chamber.  
           [0036]    A thirty-second aspect of the present invention is the inclusion of a means to identify the size of the nails placed within each of the respective nail feeding chambers.  
           [0037]    A thirty-third aspect of the present invention is the inclusion of a means to inform the user that the quantity of nails within the nail loading chamber has reached a predetermined number. One means of accomplishing this is a different sound when the last nail is inserted. A second means of accomplishing this would be the inclusion of a safety feature, whereby the safety feature disables the insertion system when the quantity is at or below a predetermined number.  
           [0038]    A thirty-forth aspect of the present invention is the inclusion of a means to adjust the insertion force that is applied to the nail.  
           [0039]    A thirty-fifth aspect of the present invention is the ability to design the plurality of nail loading chambers, such that each nail loading chamber is designed for a specific nail gauge whereby the respective nail gauge of at least one the plurality of nail loading chambers differs from the respective nail gauge of the other nail loading chambers of the single nail insertion tool.  
           [0040]    A thirty-sixth aspect of the present invention is the inclusion of a pneumatic exhaust vent for return of the piston to a ready state. 
       
    
    
     BRIEF DESCRIPTION OF THE DRAWINGS  
       [0041]    [0041]FIG. 1 is an isometric view of a first embodiment using multiple pneumatic insertion mechanisms for implementation of the present invention.  
         [0042]    [0042]FIG. 2 is an isometric view of a second embodiment using a single pneumatic insertion mechanism in conjunction with a plurality of nail feeding chambers that rotate for insertion of a nail from a desired nail feeding chamber.  
         [0043]    [0043]FIG. 3 is a front view of the second embodiment of FIG. 2 to better illustrate the second embodiment.  
         [0044]    [0044]FIG. 4 is a front view of a third embodiment using a single pneumatic insertion mechanism in conjunction with a plurality of nail feeding chambers that slidably adjust respective to the position of the single pneumatic insertion mechanism for insertion of a desired nail from a selected nail feeding chamber of the plurality of nail feeding chambers.  
         [0045]    [0045]FIG. 5 is an isometric view of a first variance of the first embodiment illustrating a variation on the selecting mechanism respective to the multiple pneumatic insertion mechanisms for implementation of the present invention.  
         [0046]    [0046]FIG. 6 illustrates a second variance of the first embodiment illustrating a variation on the selecting mechanism respective to the multiple pneumatic insertion mechanisms for implementation of the present invention.  
         [0047]    [0047]FIG. 7 is an isometric view of a forth embodiment using single pneumatic insertion mechanism in conjunction with a pneumatic insertion force applicator that is slideably engaged to the single pneumatic insertion mechanism providing the ability to select a desired nail from a selected nail feeding chamber of the plurality of nail feeding chambers. 
     
    
     DETAILED DESCRIPTION OF THE INVENTION  
       [0048]    [0048]FIG. 1 is an isometric view of a first embodiment of the present invention. The illustration details the first embodiment of a pneumatic, multiple track, nail insertion apparatus  100 , the pneumatic, multiple track, nail insertion apparatus  100  comprising, a body  102 , and at least two nail feeding chambers, illustrated as a first, external nail feeding chamber  104 , at least one center nail feeding chamber  106 , and a second external nail feeding chamber  108 . It can be recognized that the illustration is for presentation purposes and the combinations and positions of the at least two nail feeding chambers  104 ,  106 ,  108  should not change the spirit or intent of the present invention. The pneumatic, multiple track, nail insertion apparatus  100  would be designed whereby the user can selectively insert any of the nails (not shown) from any of the at least two nail feeding chambers  104 ,  106 ,  108 . The first embodiment accomplishes the ability to insert nails from any of the at least two nail feeding chambers  104 ,  106 ,  108  by providing multiple pneumatic insertion mechanisms  110 ,  112 ,  114 . The first embodiment provides at least two pneumatic insertion mechanisms  110 ,  112 ,  114  respective to each of the least two nail feeding chambers  104 ,  106 ,  108 , wherein the illustration presents three pairs of pneumatic insertion mechanisms  110 ,  112 ,  114  and nail feeding chambers  104 ,  106 ,  108 . Each pneumatic insertion mechanism  110 ,  112 ,  114  comprising a pneumatic cylinder  120 , a piston  122 , and an insertion force applicator  124 . The user can select the desired nail to be inserted by adjusting the position of a pneumatic insertion mechanism airflow controller  126  using a pneumatic insertion mechanism selector  128 . In this embodiment, the user would rotate the pneumatic insertion mechanism airflow controller  126  using the pneumatic insertion mechanism selector  128 . The pneumatic insertion mechanism airflow controller  126  comprising the pneumatic insertion mechanism selector  128 , a rotatable plate  130 , any required pneumatic seals (not shown), and an airflow orifice  132 . Two versions of the insertion mechanism selector  128  are illustrated: the first is a fixed member, directly coupled to the pneumatic insertion mechanism airflow controller  126 , the second is a geared mechanism whereby the controller is positioned towards the upper, forward section the body  102  and operates the pneumatic insertion mechanism airflow controller  126  using gears, levers, and the like (not shown). The airflow would be delivered by coupling the pneumatic, multiple track, nail insertion apparatus  100  to a compressed air source (not shown) by coupling a pneumatic sourcing hose (not shown) to a pneumatic coupler  134 . The airflow continues towards the at least two pneumatic insertion mechanisms  110 ,  112 ,  114  via an airflow path, the airflow path provided by either an airline  136  or using a hollowed airflow path  138  within the body  102 . The selected pneumatic insertion mechanism ( 110 ,  112 , or  114 ) would be actuated by a trigger  140 . The user would depress the trigger  140 , the trigger  140  would allow the airflow to pass through the airflow orifice  132  and apply pressure within the cylinder  120  resulting in a insertion force applied to the respective piston  122 . The respective piston  122  would be forced downwards transferring the insertion force to the nail (not shown) via the insertion force applicator  124 . The insertion force applicator  124  is designed such to shear a single nail from a series of nails that are linearly coupled together. The nails are held within nail guide slots  144 , each nail guide slot  144  is positioned for a specific gauge and length nail. The nail guide slots  144  could extend from the rear of the nail feeding chambers  104 ,  106 ,  108  to a position one nail head short of the pneumatic insertion mechanisms  110 ,  112 ,  114 . The insertion force applicator  124  would apply an insertion force (not shown) to the nail positioned in line with the pneumatic insertion mechanisms  110 ,  112 ,  114 , and the remaining nails would be supported by nail guide slots  144  allowing the insertion force applicator  124  to shear the single nail from the series of nails that are linearly coupled together. The series of nails that are linearly coupled together would be maintained towards the insertion force applicator  124  by a retaining force (not shown) applied by a first external nail retaining member  146  respective to the first, external nail feeding chamber  104 , and a second external nail retaining member  148  respective to the second external nail feeding chamber  108 . The pneumatic, multiple track, nail insertion apparatus  100  can comprise of additional retaining force applicators respective to each of the respective nail feeding chambers such as for the center nail feeding chamber  106 . The nails would be contained within the nail feeding chambers  104 ,  106 ,  108  by a nail feeding chamber end-cap  142 .  
         [0049]    The present invention provides the user the ability to load multiple sizes of nails into the at least two nail feeding chambers  104 ,  106 , and  108 . It would be beneficial to the user for the apparatus to include a mechanism which provides the user a means to indicate the size of the nails within each of the at least two nail feeding chambers  104 ,  106 , and  108 . FIG. 1 includes one example of a nail size indicator  116 , the illustrated example of the nail size indicator  116  comprising a nail size indicator slot  117 , a nail size indicator tab  118  and a nail size indicator reference  119 . The user would slide the nail size indicator tab  118  within the nail size indicator slot  117  to a position adjacent the respective nail size identified by the nail size indicator reference  119 . It can be recognized that the illustration is one means of providing the user the ability a means to indicate the size of the nails within each of the at least two nail feeding chambers  104 ,  106 , and  108 , and that there are numerous other means to identify the size of the nails within each of the at least two nail feeding chambers  104 ,  106 , and  108 . It can be recognized that a designer can provide any of numerous design solutions to provide a means for referencing the size of the nails. Such alternative mechanisms can include alternative slide designs, a dial design, a pin design, a viewing window, and the like. The embodiment of the nail size indicator  116  should not limit the spirit and intent of the present invention. It can be recognized that the pneumatic insertion mechanism selector  128  illustrated as the pneumatic insertion mechanism airflow controller  126  can alternatively be a series of valves (not shown), one valve respective to each of the plurality of pneumatic insertion mechanisms  110 ,  112 ,  114 . The valve would be selectively, mechanically coupled to the trigger  140 , whereby the user would adjust a selection mechanism, the selection mechanism would selectively engage the desired valve to the trigger  140 . One means of accomplishing this would be a rotating disk. A second means of accomplishing this would be a sliding rail.  
         [0050]    It can be recognized that the incorporation of multiple nail feeding chambers  104 ,  106 ,  108  provides the ability to design each of the nail feeding chambers  104 ,  106 ,  108  to provide a means for feeding nails of differing gauges within the same pneumatic, multiple track, nail insertion apparatus  100 . One means of accomplishing this feature would be by designing each of the multiple nail feeding chambers  104 ,  106 ,  108  for distinct nail gauges. A second means of accomplishing this feature would be the ability to change at least a portion of at least one of the multiple nail feeding chambers  104 ,  106 ,  108  in order to provide the ability to support varying gauges of nails.  
         [0051]    It can be recognized that although the illustration and specification specifically describes the incorporation of a pneumatic insertion mechanism, alternative insertion mechanisms, such as electric insertion mechanism can be utilized while maintaining the spirit and intent of the present invention.  
         [0052]    Additional features that are commonly known and can be included are: a safety mechanism, an adjustable nail depth setting mechanism, toploading systems, and any other commercially known features.  
         [0053]    [0053]FIG. 2 is an isometric view of a second embodiment of the present invention; the illustration details the second embodiment of a pneumatic, multiple track, nail insertion apparatus  100 . The second embodiment comprises the same basic features of the first embodiment, a body  102 , and at least two nail feeding chambers, illustrated as a first, external nail feeding chamber  104 , at least one center nail feeding chamber  106 , and a second external nail feeding chamber  108 , a trigger  140 , a nail feeding chamber end-cap  142 . It can be recognized that the illustration is for presentation purposes and the combinations and positions of the at least two nail feeding chambers  104 ,  106 ,  108  should not change the spirit or intent of the present invention. The pneumatic, multiple track, nail insertion apparatus  100  would be designed whereby the user can selectively insert any of the nails (not shown) from any of the at least two nail feeding chambers  104 ,  106 ,  108 . The second embodiment accomplishes the ability to insert nails from any of the at least two nail feeding chambers  104 ,  106 ,  108  by providing the ability to rotate  150  the at least two nail feeding chambers  104 ,  106 ,  108  to align the desired nail feeding chamber  104 ,  106 , or  108  to a single pneumatic insertion mechanism  110 . The at least two nail feeding chambers  104 ,  106 ,  108  would rotate  150  using any means for rotating two coupled objects, with the illustrated embodiment utilizing a pivot shaft  152  moveably coupled to a collar  154 . The at least two nail feeding chambers  104 ,  106 ,  108  are registered to the single pneumatic insertion mechanism  110  using a nail feeding chamber release and registration mechanism  160 .  
         [0054]    [0054]FIG. 3 illustrates a front view of the second embodiment shown in FIG. 2. The front view illustrates the common elements of the pneumatic, multiple track, nail insertion apparatus  100 , including a body  102 , at least two nail feeding chambers, illustrated as a first, external nail feeding chamber  104 , at least one center nail feeding chamber  106 , and a second external nail feeding chamber  108 , and a nail feeding chamber end-cap  142 . The nail feeding chamber end cap  142  can include a nail insertion conduit  170  used for directing nails  172  into the object during the insertion process. The front view better illustrates the positioning of the at least two nail feeding chambers  104 ,  106 ,  108  providing the ability to rotate  150  the at least two nail feeding chambers  104 ,  106 ,  108 . The at least two nail feeding chambers  104 ,  106 ,  108  would be positioned whereby the nail feeding chamber centerline  174  would pass through the center of the pivot shaft  152 , and the center of the pivot shaft  152  is aligned with the nail insertion conduit centerline  176 . The nail insertion conduit  170  can include a nail guide tapered lead-in  178  to assist with the transfer of the nail  172  from the selected nail feeding chamber  104 ,  106 , or  108  to the nail insertion conduit  170  during the insertion process. The nail insertion conduit  170  provides a distance between the at least two nail feeding chambers  104 ,  106 ,  108 , allowing the pneumatic, multiple track, nail insertion apparatus  100  to insert nails  172  into a small area.  
         [0055]    The Inventor further teaches the position of the pivot shaft  152  affects the layout of the at least two nail feeding chambers  104 ,  106 ,  108 , including the overall width of the apparatus. The greater the distance between the pivot shaft  152  and the least two nail feeding chambers  104 ,  106 ,  108 , the smaller the angle between the least two nail feeding chambers  104 ,  106 ,  108 .  
         [0056]    [0056]FIG. 4 illustrates a third embodiment of the present invention; the illustration details the third embodiment of a pneumatic, multiple track, nail insertion apparatus  100 . The third embodiment comprising the same basic features of the first and second embodiments, a body  102 , and at least two nail feeding chambers, illustrated as a first, external nail feeding chamber  104 , at least one center nail feeding chamber  106 , and a second external nail feeding chamber  108 , a trigger  140 , a nail feeding chamber end-cap  142 . It can be recognized that the illustration is for presentation purposes and the combinations and positions of the at least two nail feeding chambers  104 ,  106 ,  108  should not change the spirit or intent of the present invention. The pneumatic, multiple track, nail insertion apparatus  100  would be designed whereby the user can selectively insert any of the nails  172  from any of the at least two nail feeding chambers  104 ,  106 ,  108 . The third embodiment accomplishes the ability to insert nails from any of the at least two nail feeding chambers  104 ,  106 ,  108  by providing the ability to slideably adjust  180  the at least two nail feeding chambers  104 ,  106 ,  108  to align the desired nail feeding chamber  104 ,  106 , or  108  to a single pneumatic insertion mechanism  110 . The at least two nail feeding chambers  104 ,  106 ,  108  would slideably adjust  180  using any means for slideably adjusting two coupled objects, with the illustrated embodiment utilizing a slideable shaft  182  moveably coupled to a slideable collar  184 . The at least two nail feeding chambers  104 ,  106 ,  108  are registered to the single pneumatic insertion mechanism  110  using a nail feeding chamber release and registration mechanism (not shown). The illustration includes a series of registration holes  186 , whereby the registration mechanism would comprise a registration pin (not shown) that would locate and maintain the registration of the desired nail feeding chamber  104 ,  106 , or  108  to the nail insertion conduit  170 .  
         [0057]    [0057]FIG. 5 illustrates a variance on the first embodiment, utilizing a rotatable collar  190  as a means for selecting one of the multiple pneumatic insertion mechanisms  110 ,  112 ,  114 . Each of the multiple pneumatic insertion mechanisms  110 ,  112 ,  114  would be configured in a manner whereby the rotatable collar  190  will pneumatically select the pneumatic conduit to one of the multiple pneumatic insertion mechanisms  110 ,  112 ,  114 . The user would rotate the rotatable collar  190 . The rotatable collar  190  would comprise a rotating plate positioned between the sourced airflow  136 ,  138  and the conduits respective to the multiple pneumatic insertion mechanisms  110 ,  112 ,  114 , the rotating plate being similar to the pneumatic insertion mechanism airflow controller  126  of FIG. 1. Each cylinder  120  would include a piston indexing member  192 , the piston indexing member  192  would provide a means for maintaining a maximum position of the piston  122  in the retracted position (as shown). The rotatable collar  190  can include a nail feeding mechanism reference  194  as a means to advise the user of the source (which of the nail feeding chambers  104 ,  106 ,  108 ) of the nail to be inserted.  
         [0058]    [0058]FIG. 6 illustrates a second variance on the first embodiment, utilizing a series of selection pushbuttons  196  as a means for selecting one or more of the multiple pneumatic insertion mechanisms  110 ,  112 ,  114 . Each of the multiple pneumatic insertion mechanisms  110 ,  112 ,  114  would be configured in a manner whereby the selection pushbuttons  196  will pneumatically select at least one of the pneumatic conduits to one of the multiple pneumatic insertion mechanisms  110 ,  112 ,  114 . The user would depress at least one of the selection pushbuttons  196 . The selection pushbuttons  196  would comprise an actuating mechanism, pneumatic valve and the like (not shown) positioned between the sourced airflow  136 ,  138  and the conduits respective to the multiple pneumatic insertion mechanisms  110 ,  112 ,  114 , the selection pushbuttons  196  providing a means to control the airflow between the sourced airflow  136 ,  138  and the conduits respective to the multiple pneumatic insertion mechanisms  110 ,  112 ,  114 . Each cylinder  120  would include a piston indexing member  192 , the piston indexing member  192  would provide a means for maintaining a maximum position of the piston  122  in the retracted position (as shown). It can be recognized that there are numerous means of using selection pushbuttons  196  to select one or more airflow sources. The present invention should not be limited by the means of selecting airflow passages to one or more of the conduits respective to the multiple pneumatic insertion mechanisms  110 ,  112 ,  114 . The present invention has described a means for selecting one or more of the conduits respective to the multiple pneumatic insertion mechanisms  110 ,  112 ,  114  using a rotating mechanism about the top of the body, the front of the body, and pushbuttons. One advantage of the second variance of the first embodiment would be the ability to insert multiple nails during a single insertion process.  
         [0059]    [0059]FIG. 7 illustrates an isometric view of a forth embodiment using single pneumatic insertion mechanism in conjunction with a pneumatic insertion force applicator that is slideably engaged to the single pneumatic insertion mechanism providing the ability to select a desired nail from a selected nail feeding chamber of the plurality of nail feeding chambers. The illustration details the forth embodiment of a pneumatic, multiple track, nail insertion apparatus  100 . The forth embodiment comprising the same basic features of the first and second embodiments, a body  102 , and at least two nail feeding chambers, illustrated as a first, external nail feeding chamber  104 , at least one center nail feeding chamber  106 , and a second external nail feeding chamber  108 , a trigger  140 , a nail feeding chamber end-cap  142 . It can be recognized that the illustration is for presentation purposes and the combinations and positions of the at least two nail feeding chambers  104 ,  106 ,  108  should not change the spirit or intent of the present invention. The pneumatic, multiple track, nail insertion apparatus  100  would be designed whereby the user can selectively insert any of the nails (not shown in this illustration) from any of the at least two nail feeding chambers  104 ,  106 ,  108 . The forth embodiment accomplishes the ability to insert nails from any of the at least two nail feeding chambers  104 ,  106 ,  108  by providing the ability to slideably adjust  202  the insertion force applicator  124  from a centered position respective to the centered nail feeding chambers  106 , to a first insertion force applicator outer position  204  respective to the first, external nail feeding chamber  104 , and slideably adjust  202  the insertion force applicator  124  to a second insertion force applicator outer position  206  respective to the second external nail feeding chamber  108 . It would be preferable where the nail feeding chamber end-cap  142  would also slideably adjust  202  in concert with the insertion force applicator  124 . The nail feeding chamber end-cap  142  would slideably adjust  202  from the centered position as shown to a first nail end cap outer position  210  respective to the first, external nail feeding chamber  104  and slideably adjust  202  the feeding chamber end-cap  142  to a second feeding chamber end-cap outer position  206  respective to the second external nail feeding chamber  108 . This would maintain a smaller cross sectional area providing the ability to insert nails into small areas. The insertion force applicator  124  would apply an insertion force to the desired nail by a force transferred by a single pneumatic insertion mechanism  110 , the single pneumatic insertion mechanism  110  comprising a single piston  122  positioned within a single cylinder  120 . It can be recognized that there are many mechanisms to control the slideably adjusting  202  of the insertion force applicator  124  and nail feeding chamber end-cap  142 .