US PATENT SUBCLASS 285 / 34-- .~.~ Radially moved segmented threads (e.g., chuck type)

US PATENT SUBCLASS 285 / 34
.~.~ Radially moved segmented threads (e.g., chuck type)

Current as of: June, 1999
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285 /	HD	PIPE JOINTS OR COUPLINGS

18	DF	WITH ASSEMBLY MEANS OR FEATURE {13}
33	DF	.~ Quick release {1}
34		.~.~ Radially moved segmented threads (e.g., chuck type) {1}
35	DF	.~.~.~> Pivoted segments

DEFINITION

Classification: 285/34

(under subclass 33) Subject matter comprising segmental threads mounted to be radially moved out of grasping relationship.

SEE OR SEARCH THIS CLASS, SUBCLASS:

322, for a contractible socket. See the Search Notes thereunder.

391, for a screw coupling with interrupted threads.

SEE OR SEARCH CLASS

89, Ordnance,

20.2+, for interrupted threads on breech closures. 109, Safes, Bank Protection, or a Related Device,

72, for other interrupted threads on wall and panel closures.

411, Expanded, Threaded, Driven, Headed Tool-Deformed or Locked-Threaded Fastener

417+, for screws and bolts provided with circumferentially interrupted threads.