U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Connectors for securing members together under large clamping

Patent 4441742 Issued on April 10, 1984. Estimated Expiration Date: Icon_subject December 4, 2001. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.

Patent References

1825774

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2657904

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Inventor

Assignee

Application

No. 06/327449 filed on 12/04/1981

US Classes:

285/18, WITH ASSEMBLY MEANS OR FEATURE166/340, Disconnection166/351, Means removably connected to permanent well structure285/315, Reciprocating sleeve285/320, Pivoted285/920REMOTELY CONTROLLED

Examiners

Primary: Shedd, Wayne L.

Attorney, Agent or Firm

International Classes

F16D 1/02 (20060101)
F16D 1/05 (20060101)
E21B 33/03 (20060101)
E21B 33/038 (20060101)
F16B 7/02 (20060101)
F16B 7/00 (20060101)

Abstract

Connectors, particularly remotely operated connectors used to connect underwater well members under large clamping forces, are provided with rigid rolling antifriction elements engaged between a camming surface and a cam follower surface for converting axially directed operating motion into radial movement of a contractible and expansible annular locking means.

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