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:
Mar. 24, 1987
Filed:
May. 12, 1986
Applicant:
Inventor:
Duane D Krohn, Westminister, CO (US);
Assignee:
Graco Inc., Minneapolis, MN (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16L / ;
U.S. Cl.
CPC ...
285111 ; 285138 ; 285302 ; 285323 ; 1514 / ; 239587 ; 239165 ;
Abstract
A telescoping handle and liquid pressure conduit concentrically positioned inside the handle, with a liquid seal holder affixed to an outer part of the pressure conduit, and a resilient sealing member in the seal holder to sealingly engage against an inner part of the pressure conduit, so as to permit simultaneous telescoping of the outer handle and the inner pressure conduit.