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:
Feb. 10, 1976
Filed:
Nov. 22, 1974
Applicant:
Inventor:
Faustyn C Langowski, Houston, TX (US);
Assignee:
Byron Jackson Inc., Long Beach, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B / ;
U.S. Cl.
CPC ...
294 88 ; 214-25 ; 294 90 ; 294106 ;
Abstract
A pipe guide head for well pipe racking apparatus has plural slides defining different sizes of pipe receiving guide openings, extensible from retracted positions within the body to extended positions for receiving pipe, each slide being connected with a lever arm pivoted on the body to close the lever arm across the pipe opening upon extension of the slide and open the lever upon retraction of the slide. Fluid pressure operated actuators are connected with the slides to extend and retract them.