Coupling element for adjustable hand lever mechanism

Details Coupling element for adjustable hand lever mechanism Coupling element for adjustable hand lever mechanism

1993-06-25

1994-12-13

Bradley, P. Austin

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

Handle, handle component, or handle adjunct

Luggage-type

403321, E05B 700

Patent

active

053719190

ABSTRACT:
An adjustable hand lever mechanism is provided that comprises a coupling element of a trapezoidal configuration embedded in a hand lever. The coupling element is made from a material, e.g. metal, that is harder than the material, e.g. plastic, from which the hand lever is made. The coupling element does not include lugs, projections or similar features, and is designed to engage a fastening element in such a manner as to effect rotation of the fastening element when rotational force is applied to the hand lever without rotational slippage between the coupling element and the hand lever.

REFERENCES:
patent: 2452742 (1948-11-01), Franzene
patent: 2603325 (1952-07-01), Pickard
patent: 2607253 (1952-08-01), Gearhart
patent: 2862746 (1958-12-01), Deliso
patent: 3865500 (1975-02-01), Newell
patent: 4161891 (1979-07-01), Bossert
patent: 4460204 (1984-07-01), Olsen
patent: 4586614 (1986-07-01), Kipp
patent: 4929113 (1990-05-01), Sheu

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