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:
Mar. 02, 2004
Filed:
Nov. 14, 2001
Jung-Chang Jong, Cungli, TW;
Jenn Feng Industrial Co., Ltd., Taoyuan, TW;
Abstract
A clutch safety switch of a power chainsaw includes a safety member slidably connected to the casing and a trigger which is not able to be squeezed when the safety member is not slid away. A gear connected to the power source has engaging recesses and a clutch member is rotatably mounted to an output shaft which is independent from the gear. An engaging member is movably mounted to the output shaft and retained in a central hole in the clutch member. A link is connected between the safety member and the clutch member which is rotated and moved toward the gear to let engaging member be engaged with the recesses in the gear to transfer the power to the output shaft.