Means for stabilizing movement of the jaw in an adjustable wrench
OwnerArthur Wuinventor
Life of this patent
Estimating the term…
Abstract
An adjustable wrench includes a frame, having a handle, a fixed jaw and a track at one end of the handle. An adjusting worm pivoted to the frame for free rotation. An adjustable jaw, having one end received in the track and meshed with the adjusting worm for moving relative to the fixed jaw upon rotating the adjusting worm. Two spaces defined at the two sides of the adjustable jaw within the track. At least one packing device provided in each of the two spaces, having one end fastened to the adjustable jaw and the other end being against the frame.
Claims20
An adjustable wrench comprising:
- a frame having a fixed jaw and a track at one end thereof;
- an adjusting worm rotatably engaged in said frame;
- an adjustable jaw having a neck slidably engaged in said track and meshed with said adjusting worm, wherein said adjustable jaw is moveable in said track relative to said fixed jaw when said adjusting worm is rotated;
- wherein a space is formed between each side of said neck and each of opposite walls of said track;
- at least one through hole provided in said neck;
- and
- a packing device fixed in said receiving hole and extending through each said space into engagement with each of said opposing walls;
- wherein said packing device is a cylindrical elastic member with ends respectively engaged against said opposite walls.
An adjustable wrench comprising:
- a frame having a fixed jaw and a track at one end thereof;
- an adjusting worm rotatably engaged in said frame;
- an adjustable jaw having a neck slidably engaged in said track and meshed with said adjusting worm, wherein said adjustable jaw is moveable in said track relative to said fixed jaw when said adjusting worm is rotated;
- wherein a space is formed between each side of said neck and each of opposite walls of said track;
- at least one through hole provided in said neck;
- and
- a packing device engaged in said through hole and extending through each said space into engagement with each of said opposite walls;
- wherein said packing device comprises an elastic member, mounted in said through hole of said adjustable jaw, and two balls, respectively supported on two ends of said elastic member and forced out of said through hole of said adjustable jaw respectively against said opposite walls.
An adjustable wrench comprising:
- a frame having fixed jaw and a track at one end thereof;
- an adjusting worm rotatably engaged in said frame;
- an adjustable jaw having a neck slidably engaged in said track and meshed with said adjusting worm, wherein said adjustable jaw is moveable in said track relative to said fixed jaw when said adjusting worm is rotated;
- wherein a space is formed between each side of said neck and each of opposite walls of said track;
- wherein in said neck comprises at least one recess respectively disposed on each said side thereof;
- and
- at least one packing device respectively mounted in each said at least one recess and extending through each said space into engagement with each of said opposite walls.
An adjustable wrench comprising:
- a frame having a fixed jaw and a track at one end thereof;
- an adjusting worm rotatably engaged in said frame;
- an adjustable jaw having a neck slidably engaged in said track and meshed with said adjusting worm, wherein said adjustable jaw is moveable in said track relative to said fixed jaw when said adjusting worm is rotated;
- wherein a space is formed between each side of said neck and each of opposite walls of said track;
- wherein each of said opposite walls of said track has at least one slot;
- and
- at least one packing device mounted in each said slot extending through each space into engagement with a corresponding said side of said neck.
An adjustable wrench comprising:
- a frame having a fixed jaw and a track at one end thereof;
- an adjusting worm rotatably engaged in said frame;
- an adjustable jaw having a neck slidably engaged in said track and meshed with said adjusting worm, wherein said adjustable jaw is moveable in said track relative to said fixed jaw when said adjusting worm is rotated;
- wherein a space is formed between each side of said neck and each of opposite walls of said track;
- wherein each of said opposite walls of said track has at least one through hole;
- and
- at least one packing device mounted in each said through hole extending through each space into engagement with a corresponding said side of said neck.
Dependencies are inferred from the claim text.