Miscellaneous hardware (e.g. – bushing – carpet fastener – caster – Handle – handle component – or handle adjunct – Handle having mounted grip means
Patent
1998-05-15
2000-11-21
Mah, Chuck Y.
Miscellaneous hardware (e.g., bushing, carpet fastener, caster,
Handle, handle component, or handle adjunct
Handle having mounted grip means
16430, 16DIG12, 811771, 81489, A47J 4500, E05B 100
Patent
active
061484822
ABSTRACT:
A grip for a tool handle or other surface intended for gripping by a user, may be provided by a durable, expanded elastomeric material. Formation of the grip, and installation thereof on a handle may be effected to provide pre-loading of a normal force against the handle, requiring substantially less normal force by a user on order effect frictional engagement of a handle by the grip. The grip may also be formed to provide micro-pressure along ridges impressed into the hand of the user alternating with cavities in a surface of the grip for receiving intrusions of the hand. Thus, mechanical engagement, rather than strictly frictional engagement may be effected. Grips made in accordance with the invention have been demonstrated to provide sufficient engagement with a hand and a tool handle to permit a user to apply the maximum physical force available from the user. Limitations on the ability to act on a workpiece by a tool secured to the handle and grip is limited by the durability of the workpiece, the durability of the metal engagement portion of the tool, and not by the frictional engagement of the tool and the handle, and not by the engagement of the grip by the hand of a user.
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Stephan Witte GmbH & Co. KG, "Protop Screwdrivers" Product Brochure (Mar. 1997).
Mah Chuck Y.
Thoroughbred LC
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