Snap-ring with additional loop

Details Snap-ring with additional loop Snap-ring with additional loop

2006-08-02

2009-08-04

Bonck, Rodney H (Department: 3655)

192 clutches and power-stop control

Clutches

C411S517000, C403SDIG008

Reexamination Certificate

active

07568567

ABSTRACT:
A retaining device or snap-ring for retaining a mating hub and drum within a transmission is provided. The device is insertable into a groove along the inner circumference of a circular flange and includes a main outer loop, an opening for dividing the snap-ring into two deflectable curvilinear portions and at least partially defined by a tabular extension projecting from each curvilinear member. The tabular extensions provide sufficient surface area for applying deflective or compressive force to the snap-ring and are contoured to facilitate use of a deflection tool. The snap-ring further comprises an externally-projecting secondary loop for reducing deflection force, or an internally-projecting secondary loop for increasing deflection force. The snap-ring may be used within a double-flange hub having a plurality of slots for facilitating insertion of the secondary loop and the tabular extensions within the flange groove.

REFERENCES:
patent: 2749162 (1956-06-01), Humphrey
patent: 2803416 (1957-08-01), Berlien
patent: 3314696 (1967-04-01), Ferguson et al.
patent: 3401436 (1968-09-01), Bradshaw
patent: 4568059 (1986-02-01), Kawase et al.
patent: 4640534 (1987-02-01), Hoskins et al.
patent: 6186180 (2001-02-01), Moller et al.
patent: 2005/0072197 (2005-04-01), Evans et al.
patent: 2 182 111 (1987-05-01), None

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