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:
Apr. 30, 1991
Filed:
Jan. 26, 1990
Masatoshi Nagano, Tokyo, JP;
Kenichi Kawamoto, Tokyo, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
An electrical power source connecting device for connecting a first functional body having an electrical power source and a second functional body by an releasably attached connecting portion having an electrical connecting portion is disclosed, comprising a switch whose state is changed when the attaching of the first and second functional bodies is completed, and control means for discriminating the state of the switch upon affirmation of the attachment of the first and second functional bodies to supply electrical power from the electrical power source to the second functional body through the electrical connecting portion, the aforesaid connecting portion including a manually operable locking member for maintaining the attached state and for releasing the attached state, and the aforesaid switch cooperating with the locking member in such a manner that when the attaching of the first and second functional bodies is complete, its state changes, and when the locking member is operated to release, its state changes to stop the electrical power supply before the movement of the first and second bodies from the locking state starts.