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. 05, 1999
Filed:
Dec. 22, 1997
Applicant:
Inventor:
David J Brockmeyer, Bellevue, WA (US);
Assignee:
The Boeing Company, Seattle, WA (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G05G / ; F16F / ;
U.S. Cl.
CPC ...
74582 ; 267 6412 ;
Abstract
A strong helical compression spring biases the plunger of a unidirectional actuator to an extended position. The actuator is a self contained unit having an integral travel stop to limit extension of the plunger and an integral down lock mechanism which locks the plunger when the maximum extended position is reached.