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:
May. 21, 1985
Filed:
Sep. 16, 1981
Applicant:
Inventor:
Joe R Brown, Houston, TX (US);
Assignee:
Other;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B66F / ;
U.S. Cl.
CPC ...
414745 ; 92 24 ; 92 27 ; 254 / ; 294 88 ; 414 22 ; 188 67 ;
Abstract
High speed pipe handling apparatus is disclosed. A pipe gripping system includes fluid pressure piston-and-cylinder propulsion systems to manipulate pipe gripping slip members, and includes a mechanical latching system that locks the pistons to the cylinders in the pipe-gripping configuration by latch members. The latching system is released by application of fluid pressure.