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.

Date of Patent:
Aug. 05, 1986

Filed:

Aug. 03, 1983
Applicant:
Inventors:

Haruo Mochida, Kanagawa, JP;

Keiichi Shimizu, Tokyo, JP;

Shigetami Okuya, Tokyo, JP;

Assignees:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E05B / ;
U.S. Cl.
CPC ...
70276 ; 70408 ; 70413 ;
Abstract

In a magnetic locking system for locking a door to a fixed member, comprising a key cylinder connected to the door, a magnetic sensor connected to the door near the key and operating when sensing a predetermined magnetic force, control means for locking the door to the fixed member when the magnetic sensor operates, and a magnet-mounted key including a key cylinder proper which is to be engaged with the key cylinder and a key head which is equipped with an elongate magnet piece, there is proposed an arrangement in which when the key is operatively engaged with the key cylinder to turn same, an imaginary plane which the axis of the magnet piece describes when the key turns about the axis of the key cylinder intersects the axis of the magnetic sensor.


Find Patent Forward Citations

Mochida, Haruo. (1986). Magnetic door locking system (U.S. Patent No. 4603563). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4603563

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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