Torque limiter mechanism

Details Torque limiter mechanism Torque limiter mechanism

1974-10-18

1976-10-19

Price, William

Receptacles

Closures

Removable closure guided in rotary movement

220304, B65D 4104

Patent

active

039866343

ABSTRACT:
A two piece torque release mechanism includes a metal cover having a peripheral flange with a plurality of circumferentially spaced, cam surfaces each including ramp and notch segments intersecting at a sharp radius point radially inwardly of a land segment; a plurality of integrally formed fingers on a driven member are sprung radially outwardly into operative engagement with the cam surfaces. Each finger has a sharp radius tip portion formed by the intersection of a flat radial surface and an inclined slip surface; the radial surfaces and notches define a positive interlock between the cover and the driven member for removing the driven member; the slip surfaces are mateable with the cam ramp segments to produce a torque release couple between the cover and the driven member to prevent overtightening of the driven member and to produce a reverse slip movement of each finger following torque release for parking the tip portions against the cam land segments so as to maintain the fingers in an unstressed position when the driven member is in place.

REFERENCES:
patent: 2101758 (1937-12-01), Shaffer
patent: 2613012 (1952-10-01), Taylor
patent: 3023924 (1962-03-01), Boyer
patent: 3343697 (1967-10-01), Roberts
patent: 3589486 (1971-06-01), Kelch
patent: 3616960 (1971-11-01), Miller
patent: 3666137 (1972-05-01), Blau
patent: 3667642 (1972-06-01), Blau
patent: 3682343 (1972-08-01), Landen
patent: 3715075 (1973-02-01), Blau
patent: 3815776 (1971-01-01), MacMillan
patent: 3820680 (1975-01-01), Friend
patent: 3831801 (1975-01-01), Rodgers

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