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:
Dec. 25, 2012
Filed:
Jan. 22, 2009
Shisong Zhang, Suzhou, CN;
Wei Zhang, Suzhou, CN;
Xiaotian Zeng, Suzhou, CN;
Paolo Andriolo, Vicenza, IT;
Shisong Zhang, Suzhou, CN;
Wei Zhang, Suzhou, CN;
Xiaotian Zeng, Suzhou, CN;
Paolo Andriolo, Vicenza, IT;
Abstract
The present invention relates to a power tool comprises an adjusting mechanism, the adjusting mechanism comprising a station element defining at least a first engaged member, and an adjusting member rotated about a axis and driving the first engaged member to move elastically along the axis, wherein a frequency increase mechanism is disposed between the adjusting member and the station element, the frequency increase mechanism coupled to the first engage member, the frequency of the elastic moving of the first engage member increases when the adjusting member rotates about the axis. Because the adjusting mechanism can increase the sound frequency, so it can make precision and dense sound and remind of the operator when the adjusting member rotated.