Movable or removable closures – Mounted for multidirectional or oblique movement – One direction imparts gravitational bias to swinging...
Patent
1977-05-13
1978-11-14
Kannan, Philip C.
Movable or removable closures
Mounted for multidirectional or oblique movement
One direction imparts gravitational bias to swinging...
49 9, 160354, E05F 104
Patent
active
041249550
ABSTRACT:
Apparatus is disclosed for use with an automatic closure of the type wherein the closure member, such as a door, returns to a home position when displaced therefrom. The closure member is at least partially supported by a hanger arm secured to a cam follower that rides on a cam track. The cam track forms part of a stationary structure which provides a bearing for a rotatable post. The post may carry further support means for the closure member.
REFERENCES:
patent: 785550 (1905-03-01), Hess et al.
patent: 3146826 (1964-09-01), Eckel
patent: 3272257 (1966-09-01), Dirubbo
patent: 3384996 (1968-05-01), Gilchrist et al.
patent: 3420290 (1969-01-01), Dirubbo
patent: 3750739 (1973-08-01), McGuire
patent: 3858357 (1975-01-01), McGuire
Eckel Industries, Inc.
Kannan Philip C.
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