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. 04, 1993
Filed:
Dec. 12, 1991
Masakazu Sugisaw, Takahama, JP;
Yoshio Watanabe, Kariya, JP;
Aisin Seiki Kabushiki Kaisha, Kariya, JP;
Abstract
A radial plunger type pump includes a housing, an eccentric cam shaft rotatably supported by the housing, a pair of bearings for supporting the cam shaft in the housing, a radial plunger reciprocally disposed in a cylinder of the housing and reciprocating within the cylinder of the housing in accordance with the eccentric rotation of a cam portion of the eccentric cam shaft. The pump further includes a pair of counterweights disposed in spaces provided between the bearings and the cam portion of the eccentric cam shaft, the pair of counterweights including a counterweight portion for balancing the rotation of the eccentric cam shaft and washer portion for preventing the plunger from axial movement wherein the counterweight portion and and washer portion are integrally secured and wherein the counterweights are engaged with the eccentric cam shaft for preventing the relative rotation therewith.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile