Screwdriver handgrip having harder and softer zones
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United States of America Patent
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-
Apr 26, 1988
Grant Date -
N/A
app pub date -
Jul 7, 1986
filing date -
Jul 13, 1985
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A handle for tools, specifically for screwdrivers, is disclosed. The handle consists of two materials of different hardness, of which the harder material supporting the tool is incompressible under the forces occurring at operational load, whereas the other material permits slight elastic deformations under forces of load. In order to obtain a hand-sympathetic design which nevertheless transmits high torques, the two gripping zones of softer material are situated adjacent to a gripping zone of harder material located between them.
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