The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 29, 1996
Filed:
Jun. 05, 1995
Applicant:
Inventor:
Michael A Reid, Aberdeen, GB;
Assignee:
Well-Equip Limited, Aberdeen, US;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B / ;
U.S. Cl.
CPC ...
166 651 ; 166 72 ; 166237 ;
Abstract
A release device for releasably coupling a first object to a second object includes a first member (10) adapted to be coupled to the first object and a second member (20) adapted to be coupled to the second objects. A latch mechanism (12, 21, 28) releasably couples the first member (10) to the second member (20). A time delay mechanism (22, 23, 24, 26, 27) permits the latch mechanism (12, 21, 28) to decouple the first and second members (10, 20) only after a time interval has elapsed from initiation of the decoupling of the first and second member (10, 20).