Class 411/956 - Automatic base clutch

Subclass of Class 411 - Expanded, threaded, driven, headed, tool-deformed, or locked-threaded fastener
Definition: Art collection under art collection 955 wherein a face of
No. of patents: 4
Last issue date: 07/26/1994

Number	Title	Issue Date
5332279	Power door operator for multi-passenger mass transit vehicles A power door operator for multi-passenger mass transit vehicles, typically buses, features electric actuation of dual swinging doors. A manual activator having an ergonometrically correct actuating plunger, for emergency door opening, operates a sleeved c...	07/26/1994
5190301	Fastening system for the wheels of an in-line roller skate The present invention provides a fastening system that is not subject to loosening and that is useful for attaching one member to another member. The invention provides an arrangement for mounting a wheel to an in-line roller skate and comprises mutually ...	03/02/1993
3989082	Nut with asymmetric groove means A free spinning nut is formed with an asymmetric, double size recess in its bearing face. Also, I have discovered flutes in its side faces so as to enhance its holding capacity, particularly when used against softer material....	11/02/1976
3963304	Arc-splitting fin type screw set A threaded coupling in which a first disc element is formed with a discontinuous internal thread and a second disc element is formed with a cooperable discontinuous external thread. The coupling includes a mounting plate element juxtaposed adjacent the di...	06/15/1976

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