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.

Date of Patent:
Jan. 13, 2009

Filed:

Oct. 26, 2007
Applicant:

Yueh-hsun Chang, Nan-Tou Hsien, TW;

Inventor:

Yueh-Hsun Chang, Nan-Tou Hsien, TW;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23D 19/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A supporting device is adapted for mounting a protective cover to shield a cutting blade of a cutting machine, and includes a mount unit with a proximate tightening surface, a tightening bolt passing through the proximate tightening surface, a supporting frame adapted for holding the protective cover and having a guiding slot for passage of the tightening bolt so as to be movable between a position of use and a retreat position, a movable tightening member with a distal tightening surface and a cam follower surface, a cam actuating member having a cam surface mating with the cam follower surface and turnable to tighten or loosen the supporting frame, and a biasing member disposed to keep the actuating body in a tightening position.


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