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:
May. 12, 2026
Filed:
Sep. 13, 2022
Maxell Izumi Co., Ltd., Matsumoto, JP;
Takahito Hirabayashi, Matsumoto, JP;
Masafumi Takeshima, Matsumoto, JP;
MAXELL IZUMI CO., LTD., Matsumoto, JP;
Abstract
An electric tool is capable of automatic return. The electric tool having an oil tank, a hydraulic pump, a motor, a flow channel part, a trigger lever, a first link fitting that connects the trigger lever to an activation switch, a second link fitting that connects the trigger lever to a return switch, and a spring that biases the trigger lever in a returning direction of the trigger lever. The flow channel part includes a pressure increasing flow channel that communicates with the cylinder part, a return flow channel that communicates with the oil tank, a check valve that opens and closes the return flow channel, and a return pin that pushes the check valve to open the return flow channel.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile