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Class Information
Number: 279/55
Name: Chucks or sockets > Socket type > Loose jaws
Description: Devices wherein the jaws are separate members loose in the socket until clamped on the inserted article. Jaws pivoted together, spring-united, integrally united, or guided in ways are not included.

Sub-classes under this class:

Class Number Class Name Patents
279/58 Fixed cam and moving jaws 24
279/ Moving-cam actuator 0

Patents under this class:

Patent Number Title Of Patent Date Issued
8066456 Clamping device Nov. 29, 2011
7080964 Tool chuck having a light transmitting capability Jul. 25, 2006
5235878 Stud gripper socket Aug. 17, 1993
5192086 Double ramp, full length grip collet Mar. 9, 1993
4867463 Quick release collet Sep. 19, 1989
4724730 Wrench socket with cam locking feature Feb. 16, 1988
4712831 Jaw alignment pin for a stretch jaw chuck Dec. 15, 1987
4611513 Open access stud gripping tool Sep. 16, 1986
4309041 Machine tool collet Jan. 5, 1982
4284283 Expansible chuck Aug. 18, 1981
4251084 Collets Feb. 17, 1981
4214766 Collet Jul. 29, 1980
3961800 Stub collet Jun. 8, 1976

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