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:
Jan. 15, 1991
Filed:
Jul. 20, 1989
Noboru Takagi, Kobe, JP;
Mitsuyoshi Obata, Kobe, JP;
Kabushiki Kaisha Kobe Seiko Sho, Kobe, JP;
Abstract
An internal pressure explosion-proof construction for an electrically-driven robot with which purging of airtight chambers of the robot in which electric motors are installed can be performed efficiently in a short time when air or inert gas is charged into the airtight chambers. The airtight chambers in which the electric motors are divided into a plurality of blocks, and an automatic opening and closing valve is provided at an outlet port connected to each of the blocks such that it may be opened only when the corresponding block is to be purged.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile