reference will now be made in detail to the presently preferred embodiments of the invention , examples of which are illustrated in the accompanying drawings . referring generally to fig1 through 5 , an integrated pneumatic tool and pressure regulator assembly in accordance with an exemplary embodiment of the present invention is described . the integrated pneumatic tool and regulator assembly includes a pneumatic device , a regulator assembly threadably connected to the pneumatic device , and a coupling threadably connected to the regulator assembly for connecting pipes , pressure hoses , tubes , and the like . suitable pneumatic tools for performing a task include staplers , nailers , sanders , drills , hammering devices , paint guns , impact wrenches , and the like . in the present embodiment , the regulator assembly includes a housing for integrating with the pneumatic device such as by connecting the coupling to the pneumatic device , a plunger which forms a seal to retain a regulated pressure and a bleed - off port , a knob threadably connected to the housing , and a spring compressed between the knob and the plunger . for example , a regulator may be configured to be connected into the pneumatic device / tool housing encompassing the pneumatic device . the plunger abutting the spring may be affixed to a pressure control valve abutting a spring , for maintaining the regulated pressure in proportion to the rotational position of the knob . referring generally to fig1 through 4 , a pneumatic fastener 100 in accordance with an embodiment includes a pneumatic fastener driver 102 , a pressure regulator assembly 200 threadably connected to the pneumatic driver 102 , and a coupling 104 threadably connected to the regulator assembly 200 for coupling to pipes , pressure hoses , tubes , or the like . those of skill in the art will appreciate a variety of pneumatic devices may be implemented . for example , a pneumatic motor may be utilized for operating a pneumatic random orbit sander . a knob for biasing a pressure control valve of the regulator assembly 200 may include a scale with fixed settings 300 . a stop such as a pin 302 may be inserted into a housing of the regulator assembly 200 to limit the rotational range of the knob thereby limiting the obtainable pressure of the valve . those of skill in the art will appreciate that a wide variety of stop configurations for defining a maximum allowed or acceptable pressure for the power tool . it is the intent of this disclosure to encompass and include such variation . referring to fig5 , a pneumatic fastener 100 in accordance with an exemplary embodiment of the present invention includes a pneumatic driver 102 ; a pressure regulator assembly 200 threadably integrated into the pneumatic driver 102 ; and a coupling 104 threadably ( i . e . a threaded connection ) connected to the pressure regulator assembly 200 and sealed with an o - ring 106 , for connecting to pipes , pressure hoses , tubes , and the like . the regulator assembly 200 may include a housing 202 having an intake port 204 and an exhaust port 206 , for connecting the coupling 104 and the pneumatic driver 102 respectively ; a plunger 208 which forms a seal to retain a regulated pressure and includes a bleed off port 212 ; a knob 220 threadably connected to the housing 202 ; and a spring 222 compressed between the knob 220 and the plunger 208 . the knob 220 may include a scale with fixed settings 300 ( as may be observed in fig2 and 3 ). in the current embodiment , a shoulder 304 is connected between the housing 202 and the plunger 208 for limiting the travel range of the plunger 208 . in an advantageous example , the plunger 208 abutting the spring 222 is affixed to a pressure control valve 209 abutting a small spring 223 ( relative to spring 222 ). the pressure control valve 209 connected between the small spring 223 and the spring 222 ( via the plunger 208 ) maintains the regulated pressure 210 in proportion to the rotational position of the knob 220 . in further embodiments , various pressure regulating devices may be implemented , such as a diaphragm type valve assembly , or the like for regulating the flow of air . a crank knob 220 or handle may be implemented in substantially the same manner as the knob 220 of the present embodiment . those of skill in the art will further appreciate that the regulator assembly 200 may include a lever assembly for biasing the pressure control valve 209 , the lever being pivotally attached to the housing 202 for compressing the spring 222 . in further embodiments , a non - adjustable pressure regulator assembly is utilized . for instance , a fixed regulator for providing a predefined fixed pressure is implemented , in order to minimize ware , for cost effectiveness , and the like . in further embodiments , the pressure adjustment device may be configured to prevent inadvertent adjustment or unauthorized adjustment , such a through utilization of a set screw , a key system , or the like for preventing inadvertent or unauthorized pressure adjustment . referring generally now to fig6 through 12 , pneumatic fastener including an integrated pressure regulator assembly in accordance with an embodiment is described . the pneumatic fastener includes a pneumatic driver and a pressure regulator assembly . the pneumatic fastener includes a pressure cap having a coupling device for connecting to pipes , pressure hoses , tubes , and the like . the regulator assembly includes a manifold connected between the pressure cap and the pneumatic device . in exemplary embodiments , the manifold includes components for regulating the pressure of high flow compressed air supplied to the pneumatic fastener . for instance , the manifold may include a sleeve for enclosing high flow pressure regulator components , a plunger which forms a seal to retain a regulated pressure and includes a bleed off port , a screw threadably connected to the sleeve , and a spring compressed between the screw and the plunger . the screw may be coupled with a dial rotationally connected to the manifold via a set of planetary gears or the like , for adjusting the rotational position of the screw by twisting the dial . the plunger abutting the spring may be affixed to a pressure control valve abutting a small spring , for maintaining the regulated pressure in proportion to the rotational position of the dial . referring to fig6 and 7 , an integrated pneumatic fastener and regulator assembly 400 in accordance with an exemplary embodiment of the present invention includes a pneumatic fastener assembly 402 and a regulator assembly 500 . the pneumatic fastener 402 includes a pressure cap 404 having a coupling device 410 for connecting pipes , pressure hoses , tubes , and the like . a dial 520 for biasing a pressure control valve included in regulator assembly 500 may include a label scale 600 for indicating pressure settings . in exemplary embodiments of the present invention , a setting indicator 606 which may include a decal , a pin , a notch , a ridge , a marking , or the like is affixed to the regulator assembly 500 and paired with the label scale 600 for indicating pressure settings of the dial 520 . alternately , the regulator assembly 500 may include the label scale 600 and the dial 520 may include the setting indicator 606 . those of skill in the art will appreciate that the regulator assembly 500 may include one or more retention pieces including pins , screws , and the like to limit or fix the rotational range of the dial 520 without departing from the scope and intent of the present invention . for example , a pull - out knob may be utilized to prevent inadvertent pressure adjustment . referring generally now to fig8 through 12 , a pneumatic fastener including an integrated pressure regulator assembly in accordance with an exemplary embodiment of the present invention includes a pneumatic driver 402 and a pressure regulator assembly 500 . the pneumatic fastener includes a pressure cap 404 having a coupling for connecting pipes , pressure hoses , tubes , and the like . for example , the coupling is a male quick connect pneumatic coupler 410 . those of skill in the art will appreciate that a variety of coupling devices may be utilized such as a female quick connect pneumatic coupler , threaded couplers , and the like for pneumatically connecting a pneumatic tool to an air source . the pressure regulator assembly 500 includes a manifold 502 including an intake port 504 and an exhaust port 506 ( as may be seen in fig1 ), connected between the pressure cap 404 and the pneumatic driver 402 . an intermediate plate 408 for receiving the intake port 504 is connected between the manifold 502 and the pressure cap 404 . the intermediate plate 408 is sealed against the pressure cap 404 with an o - ring seal or the like , for supplying an inlet pressure to the intake port 504 . the intake port 504 is sealed against the intermediate plate 408 with an o - ring seal 406 or the like , for supplying the inlet pressure to the regulator assembly 500 . in exemplary embodiments , the manifold 502 includes components for regulating the pressure of high flow compressed air supplied to the pneumatic driver 402 . for instance , the manifold 502 may include a sleeve 516 for enclosing high flow pressure regulator components , a plunger 508 which forms a seal to retain a regulated pressure 510 and includes a bleed off port 512 , a screw 518 threadably connected to the sleeve 516 , and a spring 522 compressed between the screw 518 and the plunger 508 . the screw 518 may be coupled with a dial 520 rotationally connected to the manifold 502 via a set of planetary gears or the like , for adjusting the rotational position of the screw 518 by rotation of the dial 520 . the plunger 508 abutting the spring 522 may be affixed to a pressure control valve 509 abutting a small spring 523 , for maintaining the regulated pressure 510 in proportion to the rotational position of the dial 520 . those of skill in the art will appreciate that the intermediate plate 408 , the manifold 502 , and / or the dial 520 may include one or more stops such as interference protrusions , teeth , or the like to limit the rotational range of the dial 520 as well . the small spring 523 may be compressed between the pressure control valve 509 and a stop 524 for supporting the small spring 523 . the housing 502 may include a plug 526 for sealing one end of the intake port 504 , if the intake port 504 is formed generally as an l - shaped passageway through the manifold 502 or the like . referring generally to fig1 and 11 , the dial 520 is coupled with the valve screw 518 via a sun gear 528 and a planetary gear 530 in an exemplary embodiment of the present invention . those of ordinary skill in the art will appreciate that while the screw 518 is threadably connected to the sleeve 516 and rotates in concert with the sun gear 528 , the sun gear 528 may be connected to the screw 518 fixedly , slidably , or the like , for remaining substantially in contact with the planet gear 530 . for instance , the screw 518 may include a square protrusion upon which the sun gear 528 is slidably mounted , relative to an axis of rotation of the screw 518 and the sun gear 528 . in this arrangement , the sun gear 528 may be supported between the intermediate plate 408 and the sleeve 516 for remaining in contact with the planetary gear 530 . alternately , the sun gear 528 may be fixedly connected to the screw 518 , and the planetary gear 530 may be of a sufficient thickness for remaining in contact with the sun gear 528 throughout a linear range of travel , relative to an axis of rotation of the screw 518 and the sun gear 528 . the planetary gear 530 is connected between the sun gear 528 and the dial 520 , which includes a set of inwardly extending gear teeth about its interior circumference . rotation of the dial 520 causes rotation of the planetary gear 530 and corresponding rotation of the sun gear 528 . in exemplary embodiments of the present invention , the planetary gear 530 is supported between the intermediate plate 408 and the housing 502 with a pin 532 or the like . alternately the pin 532 may be integrally formed with the housing 502 , the intermediate plate 408 , or the like . those of skill in the art will appreciate that various springs having various sizes , spring rates , and stresses ; and gears having various ratios ; threads having various pitches ; and the like may be implemented for varying the magnitude of pressure regulation changes accomplished through rotation of the dial 520 , providing mechanical advantage for rotating the screw 518 , allowing for finer or coarser adjustment of the screw 518 , and the like . in exemplary embodiments of the present invention , a pneumatic fastener having an integrated pressure regulator assembly 400 may include an indicator for providing signals , such as an audible signals , a tactile signals , a visual signals , or the like ( or a combination thereof ), for indicating adjustment of the dial 520 . such an indicator may also be used for indicating unwanted movement of the dial 520 , for providing a number of discrete incremental adjustment steps for the pressure regulator assembly 500 via the dial 520 , for limiting the rotational range of the dial 520 , and the like . for instance , a leaf spring 534 including a raised portion for contacting the set of gear teeth about the interior circumference of the dial 520 may be employed for providing audible and / or tactile signals for indicating adjustment of the dial 520 , preventing unwanted movement of the dial 520 , and providing a number of discrete incremental adjustment steps for the pressure regulator assembly 500 via the dial 520 . the leaf spring 534 may be connected between the intermediate plate 408 and the housing 502 . those of skill in the art will appreciate that many various devices for providing signals including audible signals , tactile signals , visual signals , and the like ; for preventing unwanted movement of the dial 520 ; for providing a number of discrete incremental adjustment steps for the pressure regulator assembly 500 via the dial 520 ; for limiting the rotational range of the dial 520 ; and the like may be implemented as desired . referring to fig1 , a pneumatic fastener including an integrated pressure regulator assembly 400 , in accordance with an exemplary embodiment , includes threaded pins 412 for connecting the pressure regulator assembly 500 with the pneumatic fastener assembly 402 . the threaded pins 412 may extend from the pressure cap 404 through the intermediate plate 408 and the manifold 502 , being threadably received by the pneumatic fastener assembly 402 . those of skill in the art will appreciate that a variety of securing devices may be implemented for connecting the regulator assembly 500 with the pneumatic driver 402 . for example , the pneumatic driver 402 may threadably receive the regulator assembly 500 , the regulator assembly 500 may threadably receive the pneumatic driver 402 , the pneumatic driver 402 and the pressure regulator assembly 500 may be connected with bolts or screws , the pneumatic fastener assembly 402 and the pressure regulator assembly 500 may be formed as an integral unit or assembly , and the like . further , the pressure regulator assembly 500 may be removably attached to the pneumatic fastener assembly 402 . for example , it may be desirable to include the pressure regulator assembly 500 when working with high flow compressed air and to remove the pressure regulator assembly 500 when working with air at a lower pressure . the ability to remove the pressure regulator assembly 500 from the pneumatic fastener assembly 402 may provide for a more flexible tool . it should also be noted that more than one pressure regulator assembly may be provided with an integrated air tool and pressure regulator assembly , in accordance with exemplary embodiments of the present invention . for example , it may be desirable to include a high flow pressure regulator assembly when working with high flow compressed air and to remove the high flow pressure regulator assembly and replace it with a lower flow pressure regulator assembly when working with air at a lower pressure . those of skill in the art will appreciate that a plurality of pneumatic tools having integrated regulators may be incorporated into a high pressure system . for example , a system having multiple tools may have a delivery pressure set to at least the pressure requirement for the highest pressure tool . for instance , a system including a first tool having a pressure requirement of 90 psi ( pounds per square inch ), a second tool having a 125 psi requirement , and a third tool having a 135 psi requirement may have a compressor , or distributed pressure of at least 135 psi . moreover , a higher delivery pressure ( i . e . the pressure delivered to the tool ) may minimize air loss during delivery , minimize the size of hose required , promote mobility , and the like . it is believed that the integrated air tool and pressure regulator assembly of the present invention and many of its attendant advantages will be understood by the foregoing description , and it will be apparent that various changes may be made in the form , construction and arrangement of the components thereof without departing from the scope and spirit of the invention or without sacrificing all of its material advantages . the form herein before described being merely an explanatory embodiment thereof , it is the intention to encompass and include such changes . it is the intention of the following claims to encompass and include such changes .