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. 31, 1977
Filed:
Nov. 06, 1975
Applicant:
Inventor:
Hans Kristoffer Olofsson, Huddinge, SW;
Assignee:
Atlas Copco Aktiebolag, Nacka, SW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01B / ; F04B / ; F16H / ;
U.S. Cl.
CPC ...
92140 ; 74 2 / ; 417534 ;
Abstract
A piston pump assembly is disclosed in which the rotation of the drive shaft of the driving motor reciprocates the piston via a single-row spherical ball bearing which is eccentrically arranged in relation to the drive shaft. The piston is turned about its linear path of movement in synchronism with its reciprocation.