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:
Jul. 19, 2016
Filed:
Dec. 30, 2011
Mingting Wu, Shanghai, CN;
Mingting Wu, Shanghai, CN;
KEN HOLDING CO., LTD., Shanghai, CN;
Abstract
A cutting-off saw with a safety protection device, including a base; a support arm arranged on the base; a cutting blade coupled to the support arm by a driving head; a fan-shaped fixed guard and a movable guard configured to enclose the cutting blade and can be combined into a single disc; an extension arm coupled to a top portion of the support arm; the movable guard coupled to one end of a guard connecting rod; the other end of the guard connecting rod formed into an arc-shaped elbow and coupled to a stop button and the extension arm. An arc-shaped bayonet having a radian matching with that of the arc-shaped elbow of the guard connecting rod is arranged on a lower portion of the stop button. It ensures that the movable guard will never be turned upwards during the operation of loading or unloading a workpiece.