Diaphragm spring for use in friction clutches and the like

Details Diaphragm spring for use in friction clutches and the like Diaphragm spring for use in friction clutches and the like

1982-07-09

1985-01-29

Bonck, Rodney H.

Spring devices

Bendable along flat surface

Ring or annular spider

267181, 192 7027, 192 89B, F16D 1344, F16F 134

Patent

active

044961375

ABSTRACT:
A diaphragm spring whose outer marginal portion is a circumferentially complete annulus and whose inner marginal portion surrounds a centrally located opening and is formed with a set of radially extending prongs directly surrounding the opening and separated from each other by relatively short radially extending inner slots. The inner marginal portion is further formed with relatively long radially extending outer slots each of which is spaced apart from and registers with one of the inner slots and has an enlarged outer end portion inwardly adjacent to the outer marginal portion. Still further, the inner marginal portion has radially extending elongated closed slots which alternate with pairs of aligned inner and outer slots and each of which partially overlaps the adjacent inner and outer slots.

REFERENCES:
patent: 2634123 (1953-04-01), Ralston
patent: 2706491 (1955-04-01), Kohler
patent: 2725964 (1955-12-01), Maurer
patent: 3237739 (1966-03-01), Prttchard
patent: 4241819 (1980-12-01), Babcock et al.

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