Adjustable locking wrench
AssigneeWilliam P. O'Brien
InventorWilliam P. O'Brien
Life of this patent
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Abstract
A parallel, slidable and lockable jaw wrench is disclosed with an over-center locking handle mechanism. The parallel, slidable and lockable jaw wrench has different interchangeable head assemblies adaptable for locking different types of objects depending on the particular head assembly used. Each respective interchangeable head assembly has a horizontally slidable first jaw with a working surface that is adjacent to a working surface of a fixed second jaw that extends from the handle. The slidable first jaw utilizes a plurality of ball bearings disposed within a channel to slide toward and away from the fixed second jaw smoothly. Also, the slidable jaw locks in any spaced apart distance from the first fixed jaw.
Claims52
A wrench, comprising:
- a body having a first fixed jaw;
- a second movable jaw residing within a lower channel formed on the body, the lower channel residing below an upper channel formed on the body within which a plurality of ball bearings are disposed, the plurality of ball bearings being uniformly spaced apart from each other and retained together by a cage separator;
- a rotating cam pivotably connected to the body at a first point, wherein the rotating cam interacts with the second movable jaw at a point midway between opposite ends of the base of the second movable jaw;
- and
- a handle fixedly connected to the rotating cam at a second point so that action of the handle effects a range of motion in the second movable jaw within the channel towards a fully open position and a fully closed position relative to the first fixed jaw.
A wrench, comprising:
- a body having a first fixed jaw;
- a second movable jaw residing within a lower channel formed on the body, the lower channel residing below an upper channel formed on the body, the upper channel having orthogonally shaped inner ball races defined by the side wall of the upper channel and by the floor of the upper channel and within which a plurality of ball bearings are disposed;
- a rotating cam pivotably connected to the body at a first point, wherein the rotating cam interacts with the second movable jaw at a point midway between opposite ends of the base of the second movable jaw;
- and
- a handle fixedly connected to the rotating cam at a second point so that action of the handle effects a range of motion in the second movable jaw within the channel towards a fully open position and a fully closed position relative to the first fixed jaw.
A wrench, comprising:
- a body having a first fixed jaw;
- a second movable jaw residing within a channel formed by the body;
- a rotating cam pivotably connected to the body at a first point, wherein the rotating cam interacts with the second movable jaw at a point midway between opposite ends of the base of the second movable jaw, wherein the cam is magnetized and the second movable jaw is a ferrous metal so that a magnetic force is created between the cam and the movable jaw to thereby couple the cam to the movable jaw;
- and
- a handle fixedly connected to the rotating cam at a second point so that action of the handle effects a range of motion in the second movable jaw within the channel towards a fully open position and a fully closed position relative to the first fixed jaw.
Dependencies are inferred from the claim text.