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:
Nov. 17, 2015
Filed:
Feb. 20, 2015
Kosmek Ltd., Hyogo, JP;
Hideaki Yokota, Hyogo, JP;
Kosmek Ltd., Hyogo, JP;
Abstract
A first piston () is coupled to an output rod () inserted in a housing (). A second piston () is inserted in the housing () radially outside of the output rod (). A force multiplier () has a wedge space () and a plurality of engaging balls (). When force multiplication driving is started, the wedge space () is formed between a transmitting portion () provided in the output rod () and a receiving portion () provided in the housing () so as to get narrower as it extends radially inward. Before the force multiplication driving is started, the engaging balls () are brought into contact with an outer circumferential surface of the output rod (), and when the force multiplication driving is started, the engaging balls () are pushed out toward the wedge space () to engage with the transmitting portion ().