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:
Jun. 07, 2005
Filed:
Oct. 24, 2002
Keitaro Yonezawa, Kobe, JP;
Hideaki Yokota, Kobe, JP;
Yosuke Haruna, Kobe, JP;
Kabushiki Kaisha KOSMEK, Hyogo, JP;
Abstract
A housing () has an upper end wall () which supports an upper slide portion () of a clamp rod () vertically movably. The housing () has a lower end wall (), a support cylinder () of which supports a lower slide portion () of the rod () vertically movably. The rod () is provided with an input portion () between the upper slide portion () and the lower slide portion (). A clamp spring () connected to the input portion () drives the rod () downwards for clamping. The lower slide portion () has an outer periphery provided with a helical rotary groove () and a straight groove () which is in upward continuity with the rotary groove (). A ball () engages with the rotary groove () and the straight groove (). The ball () is supported by an inner wall () of the support cylinder ().