Caulking gun adapter for an electric hand drill

Claim 2

A caulking gun attachment for an electric hand drill including in combination securing means for fastening said gun to the body of said drill, a receptacle fastened to said securing means for receiving therein a caulking cartridge having a caulking dispensing nozzle thereon, a threaded piston movable when driven through said cartridge to force the caulking within said cartridge from said nozzle, driving means for said piston including a threaded nut disposed about the threaded surface of said piston and operative when rotated to drive said piston through said cartridge, a speed reducing drive train disposed for connecting said drill with said nut and operative when activated by operation of said drill to effect rotation of said nut, fixed means engaging said piston and operative upon rotation of said nut by said drill to prevent rotation of said piston with said nut and slipping clutch means interposed in said speed reducing drive train between said drill and said nut and operative to vary selectively the rate of rotation of said nut upon a predetermined movement retarding force being applied to said piston during operation of said drill.

Claim 3

A caulking gun attachment for an electric hand drill as claimed in claim 1 wherein said gun includes means manually movable for adjusting selectively the slip of said clutch.

Claim 4

A caulking gun attachment for an electric hand drill including in combination securing means for fastening said gun to the body of said drill, a receptacle fastened to said securing means for receiving therein a caulking cartridge having a caulking dispensing nozzle thereon, a threaded piston movable when driven through said cartridge to force the caulking from said cartridge by way of said nozzle, driving means for said piston including a threaded segmented nut, clamping means for releasably clamping the segments of said nut about the threaded surface of said piston with said nut being operative when clamped about the threaded surface of said piston and rotated, to effect movement of said piston through said cartridge, a speed reducing drive train disposed for connecting said drill with said nut and operative when activated by operation of said drill to effect rotation of said nut, fixed means engaging said piston and operative upon rotation of said nut by said drill to prevent rotation of said piston with said nut and slipping clutch means interposed in said speed reducing drive train between said drill and said nut and operative to vary selectively the rate of rotation of said nut upon a predetermined movement retarding force being applied to said piston during operation of said drill.

Claim 5

A caulking gun attachment for an electric hand drill including in combination securing means for fastening said gun to the body of said drill, a receptacle fastened to said securing means for receiving therein a caulking cartridge having a caulking dispensing nozzle thereon, a threaded piston movable when driven through said cartridge to force the caulking from said cartridge by way of said nozzle, driving means for said piston including a threaded segmented nut, clamping means for releasably clamping the segments of said nut about the threaded surface of said piston with said nut being operative when clamped about the threaded surface of said piston and rotated, to effect movement of said piston through said cartridge, a speed reducing drive train disposed for connecting said drill with said nut and operative when activated by operation of said drill to effect rotation of said nut, fixed means engaging said piston and operative upon rotation of said nut by said drill to prevent rotation of said piston with said nut and slipping clutch means interposed in said speed reducing drive train between said drill and said nut and operative to vary selectively the rate of rotation of said nut upon a predetermined movement retarding force being applied to said piston during operation of said drill.

Claim 6

A caulking gun attachment for an electric hand drill as claimed in claim 3 wherein said gun includes means manually movable for adjusting selectively the slip of said clutch.

Claim 7

A caulking gun as claimed in claim 3 wherein said segmented nut is tapered in configuration and clamped about said piston by being driven by a part of said clamping means into a tapered recess forming another part of said clamping means and included as a part of said drive train.

Claim 8

A caulking gun as claimed in claim 5 wherein the reduced end of said tapered nut is pointed in the direction the piston is driven by said driving train when forcing caulking from said receptacle.

Claim 9

A caulking gun as claimed in claim 5 wherein between said tapered nut and said tapered recess are disposed interlocking drive communicating surfaces.

Claim 10

A caulking gun as claimed in claim 3 wherein said segmented nut is comprised of at least three segments.

Claim 11

A caulking gun attachment for an electric hand drill including in combination, fastening means for securing said gun to the body of the drill, a receptable secured to said fastening means for receiving therein a caulking cartridge having a caulking dispensing nozzle thereon, a threaded piston movable when driven through said cartridge to force caulking within said cartridge from said nozzle, drive means for said piston including a drive train to be driven by said drill, a tapered segmented nut threadedly engaging the threads of said piston with the decreasing tapered end of said nut directed toward the caulk driving end of said piston, a conical recess forming a part of said driving train and disposed about said tapered nut, drive communicating surfaces disposed between said tapered nut and said conical recess, clamping means for forcing said tapered nut in the driven direction of said piston and into said conical recess to effect driving communication between said nut and said driving train by means of said drive communicating surfaces and slipping cluth means interposed in said speed reducing drive train between said drill and said nut and operative to vary selectively the rate of rotation of said not upon a predetermined movement retarding force being applied to said piston during operation of said drill.

Claim 12

A caulking gun attachment for an electric hand drill including in combination, fastening means for securing said gun to the body of the drill, a receptable secured to said fastening means for receiving therein a caulking cartridge having a caulking dispensing nozzle thereon, a threaded piston movable when driven through said cartridge to force caulking within said cartridge from said nozzle, drive means for said piston including a drive train to be driven by said drill, a tapered segmented nut threadedly engaging the threads of said piston with the decreasing tapered end of said nut directed toward the caulk driving end of said piston, a conical recess forming a part of said driving train and disposed about said tapered nut, drive communicating surfaces disposed between said tapered nut and said conical recess, clamping means for forcing said tapered nut in the driven direction of said piston and into said conical recess to effect driving communication between said nut and said driving train by means of said drive communicating surfaces and slipping cluth means interposed in said speed reducing drive train between said drill and said nut and operative to vary selectively the rate of rotation of said not upon a predetermined movement retarding force being applied to said piston during operation of said drill.

Claim 13

A caulking gun attachment for an electric hand drill as claimed in claim 9 wherein said gun includes means manually movable for adjusting selectively the slip of said clutch.

Claim 14

A caulking gun attachment for an electric hand drill as claimed in claim 9 wherein means are provided for securing said clamping means to said tapered segmented nut for axial movement therewith but with said clamping means being free for independent rotation with respect to said tapered nut.

Claim 15

A caulking gun attachment for an electric hand drill including in combination, securing means for fastening said gun to the body of said drill, a receptacle fastened to said securing means for receiving therein a caulking cartridge having a caulking dispensing nozzle thereon, a threaded piston movable when driven through said cartridge to force the caulking from said cartridge by way of said nozzle, driving means for said piston including a threaded segmented nut disposed about the threaded surface of said piston, a speed reducing drive train disposed for connecting said drill with said nut and operative when activated by operation of said drill to affect rotation of said nut, clamping means forming at least a part of said drive train for releasably clamping the segments of said nut about the threaded surface of said piston with said nut being operative when clamped about the threaded surface of said piston and rotated to effect movement of said piston through said cartridge, fixed means engaging said piston and operative upon rotation of said nut by said drill to prevent rotation of said piston with said nut and slippable clutch means disposed in said drive train between said drill and nut and operative upon a predetermined movement arresting pressure being applied to said piston to effect predetermined changes in the rate of rotation of said nut.

Claim 16

A caulking gun attachment for an electric hand drill including in combination, securing means for fastening said gun to the body of said drill, a receptacle fastened to said securing means for receiving therein a caulking cartridge having a caulking dispensing nozzle thereon, a threaded piston movable when driven through said cartridge to force the caulking from said cartridge by way of said nozzle, driving means for said piston including a threaded segmented nut disposed about the threaded surface of said piston, a speed reducing drive train disposed for connecting said drill with said nut and operative when activated by operation of said drill to affect rotation of said nut, clamping means forming at least a part of said drive train for releasably clamping the segments of said nut about the threaded surface of said piston with said nut being operative when clamped about the threaded surface of said piston and rotated to effect movement of said piston through said cartridge, fixed means engaging said piston and operative upon rotation of said nut by said drill to prevent rotation of said piston with said nut and slippable clutch means disposed in said drive train between said drill and nut and operative upon a predetermined movement arresting pressure being applied to said piston to effect predetermined changes in the rate of rotation of said nut.

Claim 17

A caulking gun attachment for an electric hand drill including in combination fastening means for securing said gun to the body of the drill, a receptacle secured to said fastening means for receiving therein a caulking cartridge having a caulking dispensing nozzle thereon, a threaded piston movable when drive through said cartridge to force caulking within said cartridge from said nozzle, drive means for said piston including a speed reducing drive train to be driven by said drill, a tapered segmented nut disposed for threadedly engaging the threaded surface of said piston with the decreasing tapered end of said nut directed toward the caulk driving end of said piston, a tapered recess forming a part of said drive train and disposed about said tapered nut, drive communicating surfaces disposed between said tapered nut and said tapered recess, means movable for forcing said tapered nut in the driven direction of said piston and into said tapered recess to effect the clamping of the segments of said nut about the threaded surface of said piston whereby upon rotation of said nut by way of said drive train said piston is driven through said receptacle, means movable for releasing and maintaining said nut from its clamped position within said recess for permitting manual movement of said piston through said nut and slippable clutch means disposed in said speed reducing drive train to effect selective degrees of slip in said drive train between said drill and nut responsive to the amplitude of a movement retarding force being applied to said piston during operation of said drill.

Claim 18

A caulking gun attachment for an electric hand drill including in combination fastening means for securing said gun to the body of the drill, a receptacle secured to said fastening means for receiving therein a caulking cartridge having a caulking dispensing nozzle thereon, a threaded piston movable when drive through said cartridge to force caulking within said cartridge from said nozzle, drive means for said piston including a speed reducing drive train to be driven by said drill, a tapered segmented nut disposed for threadedly engaging the threaded surface of said piston with the decreasing tapered end of said nut directed toward the caulk driving end of said piston, a tapered recess forming a part of said drive train and disposed about said tapered nut, drive communicating surfaces disposed between said tapered nut and said tapered recess, means movable for forcing said tapered nut in the driven direction of said piston and into said tapered recess to effect the clamping of the segments of said nut about the threaded surface of said piston whereby upon rotation of said nut by way of said drive train said piston is driven through said receptacle, means movable for releasing and maintaining said nut from its clamped position within said recess for permitting manual movement of said piston through said nut and slippable clutch means disposed in said speed reducing drive train to effect selective degrees of slip in said drive train between said drill and nut responsive to the amplitude of a movement retarding force being applied to said piston during operation of said drill.

Claim 19

A caulking gun attachment for an electric hand drill including in combination securing means for fastening said gun to the body of said drill, a receptacle fastened to said securing means for receiving therein a caulking cartridge having a caulking dispensing nozzle thereon, a threaded piston movable when driven through said cartridge to force the caulking from the cartridge by way of said nozzle, means for drivably connecting said piston with said drill including a speed reducing drive train, a threaded segmented nut disposed about said piston and operative when clamped about the threaded surface of said piston and rotated by way of said drive train to effect movement of said piston through said receptable, clamping means for clamping the segments of said nut about the threaded surface of said piston with at least a part of said clamping means forming a part of said drive train, means movable for effecting the release of said clamping means from said nut for freeing said piston for allowing manual movement of the piston through said receptable and adjustable slippable clutch means disposed in said drive train to effect selective degress of slip in said drive train between said drill and nut responsive to the amplitude of a movement retarding force being applied to said piston during operation of said drill.

Claim 20

A caulking gun attachment for an electric hand drill including in combination securing means for fastening said gun to the body of said drill, a receptacle fastened to said securing means for receiving therein a caulking cartridge having a caulking dispensing nozzle thereon, a threaded piston movable when driven through said cartridge to force the caulking from the cartridge by way of said nozzle, means for drivably connecting said piston with said drill including a speed reducing drive train, a threaded segmented nut disposed about said piston and operative when clamped about the threaded surface of said piston and rotated by way of said drive train to effect movement of said piston through said receptable, clamping means for clamping the segments of said nut about the threaded surface of said piston with at least a part of said clamping means forming a part of said drive train, means movable for effecting the release of said clamping means from said nut for freeing said piston for allowing manual movement of the piston through said receptable and adjustable slippable clutch means disposed in said drive train to effect selective degress of slip in said drive train between said drill and nut responsive to the amplitude of a movement retarding force being applied to said piston during operation of said drill.

Claim 21

In a caulking gun to be driven by a power source including a receptacle for receiving therein a caulking filled cartridge having a caulk dispensing nozzle thereon, a threaded piston disposed for movement through said receptacle for forcing caulking from said cartridge by way of said nozzle, driving means for said piston including a drive train for drivably connecting said piston with said power source, a threaded segmented nut disposed about said piston and operable when clamped about the threaded surface of said piston and rotated to effect movement of said piston through said receptacle, clamping means for releasably clamping the segments of said nut about the threaded surface of said piston with at least a part of said clamping means being a part of said drive train, means movable for effecting the release of said nut from said clamping means for allowing manual movement of said piston through said receptacle and adjustable slippable clutch means disposed in said drive train between said nut and power source to effect selective degrees of slip in said drive train responsive to the amplitude of a movement retarding force applied to said piston during operation of said power source.

Claim 22

In a caulking gun to be driven by a power source including a receptacle for receiving therein a caulking filled cartridge having a caulk dispensing nozzle thereon, a threaded piston disposed for movement through said receptacle for forcing caulking from said cartridge by way of said nozzle, driving means for said piston including a drive train for drivably connecting said piston with said power source, a threaded segmented nut disposed about said piston and operable when clamped about the threaded surface of said piston and rotated to effect movement of said piston through said receptacle, clamping means for releasably clamping the segments of said nut about the threaded surface of said piston with at least a part of said clamping means being a part of said drive train, means movable for effecting the release of said nut from said clamping means for allowing manual movement of said piston through said receptacle and adjustable slippable clutch means disposed in said drive train between said nut and power source to effect selective degrees of slip in said drive train responsive to the amplitude of a movement retarding force applied to said piston during operation of said power source.

Claim 23

A caulking gun as claimed in claim 15 wherein said power source is an electric hand drill.

Claim 24

A caulking gun as claimed in claim 16 wherein said caulking receptacle includes means for securing said caulking gun to said drill.

Claim 25

A caulking gun as claimed in claim 17 including means for drivably connecting said driving train with said drill.