Claims Analysis
Total Claims: 14
Claim 1
Independent Claim
378 words
A bracket setting tool having a drive tube for encasing a drive mechanism and a magazine for receiving a stack of brackets, said magazine intersecting said drive tube at an acute angle, said drive mechanism comprising a drive bolt having a contacting head exposed externally of said tubing, a drive slug slidably mounted in said tubing and being connected to said drive bolt, a guide tube plate mounted in said tubing and having a bolt guide tube telescopically receiving said drive bolt, compression spring means encircling said drive bolt and urging said drive slug and said guide tube plate apart, plural drive legs keyed to said drive slug for movement with said drive slug, one of said drive legs being a bottom leg positioned on the bottom of said drive tube and having a bifurcated pair of fingers extending forward in position to engage a bottom bracket in the stack of brackets in said magazine, the forward edge of said fingers being partially sloped in a plane common to the acute angle of the plane of the wall of the magazine so as to permit the stack of brackets to advance the bottom bracket into position for setting, two of said drive legs being side drive legs, each said side drive leg having an inwardly directed drive finger, a camming member in said drive tube in the path of movement of each side drive finger which member deflects said side finger inwardly to engage the opposite sides of the bottom bracket in said stack of brackets, resilient means between said drive slug and said drive tubing for absorbing rearward movement of said drive slug, a cover for said magazine pivoted at the junction between said magazine and the drive tube and adapted to be pivoted away from said magazine to permit a stack of brackets to be inserted in said magazine, a U-shaped retainer extending into said magazine from a remote end thereof, a spring on one leg of said retainer urging the end of said leg against the remote end of said stack of brackets to urge said brackets toward said drive tube, and being retractable against said spring urging to said retainer a disengaged position when a new stack of brackets is placed in said magazine.
Claim 2
Dependent Claim
378 words
A bracket setting tool having a drive tube for encasing a drive mechanism and a magazine for receiving a stack of brackets, said magazine intersecting said drive tube at an acute angle, said drive mechanism comprising a drive bolt having a contacting head exposed externally of said tubing, a drive slug slidably mounted in said tubing and being connected to said drive bolt, a guide tube plate mounted in said tubing and having a bolt guide tube telescopically receiving said drive bolt, compression spring means encircling said drive bolt and urging said drive slug and said guide tube plate apart, plural drive legs keyed to said drive slug for movement with said drive slug, one of said drive legs being a bottom leg positioned on the bottom of said drive tube and having a bifurcated pair of fingers extending forward in position to engage a bottom bracket in the stack of brackets in said magazine, the forward edge of said fingers being partially sloped in a plane common to the acute angle of the plane of the wall of the magazine so as to permit the stack of brackets to advance the bottom bracket into position for setting, two of said drive legs being side drive legs, each said side drive leg having an inwardly directed drive finger, a camming member in said drive tube in the path of movement of each side drive finger which member deflects said side finger inwardly to engage the opposite sides of the bottom bracket in said stack of brackets, resilient means between said drive slug and said drive tubing for absorbing rearward movement of said drive slug, a cover for said magazine pivoted at the junction between said magazine and the drive tube and adapted to be pivoted away from said magazine to permit a stack of brackets to be inserted in said magazine, a U-shaped retainer extending into said magazine from a remote end thereof, a spring on one leg of said retainer urging the end of said leg against the remote end of said stack of brackets to urge said brackets toward said drive tube, and being retractable against said spring urging to said retainer a disengaged position when a new stack of brackets is placed in said magazine.
Claim 3
Dependent Claim
45 words
In a setting tool as claimed in claim 1 wherein said side drive legs pass through a guide rail on the sides of said magazine with said camming member positioned on said guide rail in engagement with the outside surfaces of said movable drive legs.
Claim 4
Dependent Claim
46 words
In a setting tool as claimed in claim 1 wherein said bottom drive leg has an opening between said fingers into which a dimple on the bottom of each bracket nests as each bracket is forced into the bottommost position in the stack ready for setting.
Claim 5
Dependent Claim
49 words
In a setting tool as claimed in claim 1 wherein an outer wall of said magazine has a bottom edge aligned with the gap between the two bottommost brackets so as to retain the next to the bottom bracket in the stack as the bottom bracket is being set.
Claim 6
Dependent Claim
30 words
In a setting tool as claimed in claim 1 wherein said drive bolt has a shoulder bearing against said drive slug with said drive bolt extending tHrough said drive slug.
Claim 7
Dependent Claim
144 words
In a bracket setting tool having a tube containing a drive mechanism and a magazine intersecting said tube at an angle with respect thereto, said magazine adapted to receive a stack of brackets with the bottommost bracket being aligned with said drive mechanism, said drive mechanism having means exposed externally of said tubing for receiving a blow from a hammer, said drive mechanism having a plurality of drive legs with at least two of said legs being cammed into position to engage and advance the bracket aligned with said drive mechanism, a cover for said magazine pivoted thereto and adapted to be opened to permit a stack of brackets to be inserted in said magazine, a retainer in said magazine, and a spring on said retainer urging said retainer against the end of said stack of brackets to urge said brackets toward said tube.
Claim 8
Dependent Claim
144 words
In a bracket setting tool having a tube containing a drive mechanism and a magazine intersecting said tube at an angle with respect thereto, said magazine adapted to receive a stack of brackets with the bottommost bracket being aligned with said drive mechanism, said drive mechanism having means exposed externally of said tubing for receiving a blow from a hammer, said drive mechanism having a plurality of drive legs with at least two of said legs being cammed into position to engage and advance the bracket aligned with said drive mechanism, a cover for said magazine pivoted thereto and adapted to be opened to permit a stack of brackets to be inserted in said magazine, a retainer in said magazine, and a spring on said retainer urging said retainer against the end of said stack of brackets to urge said brackets toward said tube.
Claim 9
Dependent Claim
34 words
In a bracket setting tool as claimed in claim 6 wherein the pivot for said cover is located at the junction between the magazine and the tube and secures said magazine to said tube.
Claim 10
Dependent Claim
82 words
In a bracket setting tool as claimed in claim 6 wherein one of said drive legs is a bottom leg and has a bifurcated pair of fingers extending forward in position to engage the bottom bracket in said stack of brackets, a portion of the forward edge of said fingers being sloped in a plane common to the plane of the wall of the magazine so as to permit the stack of brackets to advance the bottom bracket into position for setting.
Claim 11
Dependent Claim
39 words
In a bracket setting tool as claimed in claim 8 wherein the forward edge of said fingers of said bottom leg are positioned to make contact with said bracket prior to contact by said at least two drive legs.
Claim 12
Dependent Claim
64 words
In a bracket setting tool as claimed in claim 6 wherein said camming of said two legs is produced by said tube having a camming member in the path of movement of said two drive legs which member deflects said drive legs inwardly to engage the opposite sides of the bottom bracket in said stack of brackets as said drive mechanism is moved forward.
Claim 13
Dependent Claim
29 words
In a bracket setting tool as claimed in claim 10 wherein means are provided between said drive mechanism and said tube for absorbing rearward shock of said drive mechanism.
Claim 14
Dependent Claim
34 words
In a bracket setting tool as claimed in claim 6 wherein said retainer is retractable against said spring urging to a disengaged position when a new stack of brackets is placed in said magazine.