Torque limiter requiring no parts replacement or oil resupply on

Details Torque limiter requiring no parts replacement or oil resupply on Torque limiter requiring no parts replacement or oil resupply on

1993-06-14

1995-04-18

Lorence, Richard M.

192 clutches and power-stop control

Clutches

Torque responsive

192 56R, 464 42, F16D 700

Patent

active

054070465

ABSTRACT:
A torque limiter has a shaft member and a cylinder member. A conical outer circumferential surface of the shaft member is fitted to a conical inner circumferential surface of the cylinder member. Top surfaces of convex portions form part of the conical outer circumferential surface, while top surfaces of convex portions form part of the conical inner circumferential surface. When the torque limiter is set up, the convex portions and the convex portions are urged against each other, whereby the cylinder member and the shaft member are frictionally coupled. When the shaft member and the cylinder member rotate relative to each other, the relative rotational position between the convex portions changes, so that the cylinder member and the shaft member are no longer frictionally coupled. Thereafter, when the relative rotational position between the cylinder member and the shaft member is further changed, a concave cam portion of the cylinder member and a convex cam portion of the shaft member come into contact with each other, thereby sliding at least one of the cylinder member and the shaft member in the axial direction. With this arrangement, there is no need to replace parts or to resupply the torque limiter with oil upon the restoration of the torque limiter.

REFERENCES:
patent: 788810 (1905-05-01), Ambler
patent: 2872004 (1959-02-01), Barker et al.
patent: 3111823 (1963-11-01), Kater
patent: 3751941 (1973-08-01), Stiff
patent: 4264229 (1981-04-01), Falk et al.
patent: 4859106 (1989-08-01), Elsner et al.

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