Frictional clutch with O-ring

Details Frictional clutch with O-ring Frictional clutch with O-ring

2011-05-10

2011-05-10

Binda, Greg (Department: 3679)

Rotary shafts, gudgeons, housings, and flexible couplings for ro

Overload release coupling

Reexamination Certificate

active

07938729

ABSTRACT:
A frictional clutch for a hand-held device for transferring a film from a backing tape onto a substrate comprises a first main member having a cylindrical element coaxially protruding into a circular center opening of a second main member.The first and second main member are supported such that they can carry out a relative rotational movement. The second main member include coaxial tensioning elements for holding and pre-tensioning an elastic ring guided around the tensioning elements. The tensioning elements are geometrically arranged such that the ring is exposed in the form of at least one secant-shaped leg in the center opening.The secant-shaped leg of the ring is biased radially outwards when the cylindrical element of the first main member is inserted into the center opening of the second member in order to produce a frictional force between the ring and the circumferential wall of the cylindrical element.

REFERENCES:
patent: 3319484 (1967-05-01), Prest
patent: 4327563 (1982-05-01), Allmacher, Jr.
patent: 7121948 (2006-10-01), Huthmacher et al.
patent: 0 559 918 (1993-09-01), None
patent: 1 186 562 (2002-03-01), None
patent: 868 177 (1981-09-01), None
patent: WO 97/46475 (1997-12-01), None

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