Ergonometric handle

Details Ergonometric handle Ergonometric handle

1994-10-28

1997-12-02

Bray, W. Donald

Miscellaneous hardware (e.g., bushing, carpet fastener, caster,

Handle, handle component, or handle adjunct

Having receptacle within

16110R, 16DIG12, 745519, 273 75, 273 814, B29C 3340

Patent

active

056922655

ABSTRACT:
An ergonometric handle is shaped so as to encourage a natural working grip, thereby increasing user comfort and enabling a user to use a tool incorporating said handle for a longer period of time with reduced fatigue to the tissues, nerves, tendons and bones of the hand. The handle may be angularly disposed relative to the long axis of the tool and the ends of the handle are smaller in width than the middle in order to accommodate the smaller gripping circumferences of the index and small digits. Thus the cross sectional shape of the handle is oblong and when viewed from the side is humpbacked. The grip honors the varying ratios of the digits to the metacarpals. The handle also has indentations in it to enhance the placement of the digits in the natural gripping position. These indentations form a hand imprint in the handle.

REFERENCES:
patent: 2951482 (1960-09-01), Sullivan
patent: 3868710 (1975-02-01), Jones
patent: 4038719 (1977-08-01), Bennett
patent: 4147348 (1979-04-01), Lee
patent: 4183528 (1980-01-01), An
patent: 4488460 (1984-12-01), Ballone
patent: 4890355 (1990-01-01), Schulten
patent: 4934024 (1990-06-01), Sexton, I
patent: 5060343 (1991-10-01), Nisenbaum
patent: 5125130 (1992-06-01), Stanish
patent: 5251380 (1993-10-01), Craig

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