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Class 81/481 - With arm extending from portion


Subclass of Class 81 - Tools
Definition: Wrench or screwdriver provided with either a rigidly attached
No. of patents: 12
Last issue date: 11/21/2006


NumberTitleIssue Date
7137323Replaceable and rotatable tool with function of measuring twisting forces
A replaceable and rotatable tool with a function of measuring twisting forces comprises a tool body; a driving portion formed at one end of the tool body; the driving portion including a pivotal unit and an engaging unit; one end of the pivotal unit being secured to...
11/21/2006
7111532Torque wrench
A torque wrench includes a driving shank received in a handle and having an intermediate portion pivotally attached to the handle with a pivot axle, and having two projections, a follower is slidably received in the handle and biased to engage with the driving shank...
09/26/2006
7047849Wrench capable of counting the number of times its torque reaches set values
A wrench includes a pipe, a lever, a first wedge, a second wedge, an elastic element, a counter and a sensor. The lever includes a portion put in and pivotally connected with the pipe. The first wedge is attached to the portion of the lever. The second wedge is in c...
05/23/2006
7021179Pressure-operated power screwdriver having a measuring section
The power screwdriver comprises a functional part (11) with a housing (14) through which a shaft (17) passes. The shaft (17) is provided with a toothing (18), into which a ratchet lever of the functional part (11) engages. A...
04/04/2006
6948410Torque wrench with sleeve for locking rotatable handle
A torque wrench is provided having body and a handle that is rotatably mounted to the body for adjusting the torque setting, and an axially movable sleeve operable to selectively lock the handle. The sleeve includes a rigid member and an elastomeric member, such as ...
09/27/2005
6945144Torque wrench with finite plurality of selectable torque values
A manually operated torque wrench is capable of providing a finite plurality of selectable torque values. The torque wrench has a wrench head, a handle, and a torque-responsive mechanism for producing an indication when a torque value has been applied by the torque ...
09/20/2005
6886434Wrench with a fixed maximum operational torque
A wrench includes a drive member for driving a fastener, a retainer securely engaged with the drive member to move therewith, and a casing having a compartment for accommodating the retainer. The casing includes a retaining section defining a retaining space for ret...
05/03/2005
6655242Torque wrench with variable-arm clicker mechanism
A torque wrench (40) with a variable-arm clicker mechanism, comprises a substantially tubular body (41), equipped with a handgrip (18) from which protrudes a ratchet gear element (4), suited for engaging with the blocking device which must be tightened. I...
12/02/2003
6463834Torque wrench
A tang engaging and stability structure has a tang engaging portion and a pair of stabilizing ear members spaced apart from one another in the direction of the pivot axis. The ear members are positioned on opposing sides of a rear end portion of the tang ...
10/15/2002
6162053Analog dental wrench
There is provided an analog dental torque wrench in which, at a given level of torque imparted to a dental work object, force communicated by a compression spring through an interface impart against a ball bearing will cause rotation of a handle and media...
12/19/2000
6062115Audible signal torque wrench
An audible torque wrench including a head having a tool connecting part. A handle is operatively attached to the head in order to cause rotation thereof. A grip is pivotably attached at one of its ends to the handle. A spring is fastened between the grip ...
05/16/2000
5156072Torque wrench
A torque wrench capable of pre-setting specified torque values is disclosed which comprises an elongated housing and an output drive shaft. Pivotally secured to and located within the housing are a plurality of levers. A first lever is journalled to the o...
10/20/1992
 
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