Cock comprising indexable rotating key

Details Cock comprising indexable rotating key Cock comprising indexable rotating key

2006-12-26

2006-12-26

Yu, Justine R. (Department: 3751)

Valves and valve actuation

With friction detent

C251S208000

Reexamination Certificate

active

07152845

ABSTRACT:
A cock has an indexable rotating key. Indexing is achieved by a raised element on a shaped base of a housing of a barrel, and a ring which is formed at the end of the key and which is elastically deformable in a transverse plane. The raised element and ring form stubs and notches which cooperate to determine key blocking positions when the key is being rotated. The cock is suitable for use with medical instruments.

REFERENCES:
patent: 1187788 (1916-06-01), Smith
patent: 1493133 (1924-05-01), Sykora
patent: 3185179 (1965-05-01), Harautuneian
patent: 3783900 (1974-01-01), Waldbillig
patent: 4073314 (1978-02-01), Speelman et al.
patent: 5443453 (1995-08-01), Walker et al.
patent: 5832959 (1998-11-01), Szymczakowski et al.
patent: 6164328 (2000-12-01), Huber, Jr.
patent: 6536742 (2003-03-01), Lotz et al.

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