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:
Jul. 23, 2002
Filed:
Aug. 03, 2000
Applicant:
Inventors:
Ryoichi Fukumoto, Nagoya, JP;
Masao Ohhashi, Kariya, JP;
Katsuhisa Yamada, Toyota, JP;
Takashi Saitoh, Toyota, JP;
Katsuyuki Ohtake, Yokosuka, JP;
Katsuhiro Suzuki, Nisshin, JP;
Assignee:
Other;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E05C 3/06 ; E05C 3/16 ;
U.S. Cl.
CPC ...
E05C 3/06 ; E05C 3/16 ;
Abstract
In a door closer device which requires at least three switches consisting of a half door detection switch, a full lock (completely closing) detection switch and a switch for detecting the return to the initial position, the number of switches can be reduced. Two cam switch operating portions are formed on a cam plate fixedly secured to an output shaft of a motor. The motor is stopped by making use of one operating portion and the motor is rotated in a reverse direction by making use of the other operating portion.