Overload safety fastener

Details Overload safety fastener Overload safety fastener

1977-12-29

1980-01-29

Scott, Samuel

Machine element or mechanism

Control lever and linkage systems

Hand operated

74501R, 248 273, F16C 110

Patent

active

041855167

ABSTRACT:
A motion transmitting control has an outer flexible conduit and an inner operating member reciprocable within the conduit. Attached to one end of the conduit is an end fitting having an externally threaded portion that fits through an aperture in a mounting plate. An overload safety fastener, that secures the end fitting within the mounting plate aperture, has a pair of stops threadedly mounted for axial movement upon the externally threaded portion of the end fitting to provide support for the end fitting on opposite sides of the mounting plate. Resilient means, positioned about the end fitting, extend axially thereof between one of the stops and the mounting plate. The resilient means are pre-loaded in compressive stress by the relative spacing between the stop and the mounting plate. Thus, the resilient means yieldably support the end fitting relative to the mounting plate. In a preferred form of the invention, the stops and the resilient means are reversible to provide support on either side of the mounting plate, and thereby compensate for either tension or compression stresses in the outer flexible conduit and the inner operating member.

REFERENCES:
patent: 3039420 (1962-06-01), Bevis
patent: 3205727 (1965-09-01), Sevrence
patent: 3221572 (1965-12-01), Swick
patent: 3366405 (1968-01-01), Sevrence
patent: 3429197 (1969-02-01), Loewenstern
patent: 3438280 (1969-04-01), McCabe
patent: 3546962 (1970-12-01), Ruhala
patent: 3758053 (1973-09-01), Amelio
patent: 3808908 (1974-05-01), Guerr
patent: 3890084 (1975-06-01), Clontz
patent: 3939031 (1975-12-01), Webb
patent: 3960032 (1976-01-01), Schiff
patent: 4041797 (1977-08-01), Mito

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