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Class 81/91.3 - Two jaws pivoted directly to intermediate member


Subclass of Class 81 - Tools
Definition: Tool including an additional discrete element which is connected
No. of patents: 10
Last issue date: 03/13/2007


NumberTitleIssue Date
7188551Spanner
Disclosed is a spanner which is generally used as a typical tool for tightening or releasing a bolt. The spanner is capable of tightening or releasing a bolt continually in one direction by the effect of a toggle bar (400) pivotally mounted on a jaw of two ja...
03/13/2007
7131354Spanner
A spanner includes an upper jaw, a handle, a lower jaw, and a resilient member. The upper jaw includes an upper jaw portion, and a pivot portion, and has a front pivot hole and a rear pivot hole both of which extend through the pivot portion. The handle has a connec...
11/07/2006
6862957Combination tool for assembling and dismantling a lock nut of a bearing of wheel axle of a wheeled vehicle
A combination tool for assembling and dismantling a lock nut includes a middle column, two clamping blocks, a guide rod, and two links. Thus, the two clamping blocks, the two links and the middle column are interconnected with each other and are moved in concert wit...
03/08/2005
5628235Driving attachment for eye-bolt hangers and the like
A pair of jaws, having two sets of mutually perpendicular surfaces which are oriented 45 degrees with respect to the direction of jaw motion. During adjustment the jaws move parallel to each other to accommodate different shank diameters. The opening and ...
05/13/1997
5456143Open end ratchet wrench
An open-end ratchet wrench has a pair of elongated plates that are pivotally mounted to a pair of spaced jaws on the wrench handle and that include at least one elongated surface for engaging a face of a workpiece onto which the jaws are inserted. A sprin...
10/10/1995
5427004Universal, self-blocking vice key
A vise assembly which is able, with one single operation, to adapt to a nut and to lock into position with respect to the nut positioned between a pair compressing jaws. The locking function is readily releasible with a releasing device. Thus, with one di...
06/27/1995
5315903Universal, self-blocking vice key
A vise assembly which is able, with one single operation, to adapt to a nut and to lock into position with respect to the nut positioned between a pair compressing jaws. The locking function is readily releasible with a releasing device. Thus, with one di...
05/31/1994
5148725Ratchet action open ended spanner
A spanner which comprises a handle and jaws, the jaws comprising an upper jaw and a lower jaw, the upper jaw being articulated by means of an upper hinge pin to a distal part of the handle and the lower jaw being articulated by means of a lower hinge pin ...
09/22/1992
5050464Multi-surface wrench
A multi-surface wrench is provided which is automatically self-adjustable to capture nuts or bolts of differing sizes over a predetermined useful range. The multi-surface wrench is self-camming upon application of a torque producing or turning force and i...
09/24/1991
3972253Multi-size socket wrench
A multi-size socket wrench utilizing a jaw plate with at least one jaw mer rotatably attached thereto. The jaw plate and the jaw member have diametrically opposed toothed sections thereon. A driving strut rotates about a shaft attached to the jaw plate. ...
08/03/1976
 
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