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:
Nov. 14, 1978
Filed:
Nov. 13, 1975
Leonard J Genest, Santa Ana, CA (US);
Daryle Messner, Buena Park, CA (US);
Monitron Industries, Inc., Santa Ana, CA (US);
Abstract
A unitary self-contained electrically operated lock is provided which includes a latch wheel manually releasably rotatable from a first side of the lock housing by pulling on a handle from a first side and releasably rotatable from a second side of the housing only in response to insertion of a data combination card carrying an appropriate code. The latch wheel is mounted outside the housing on a rotatable shaft extending into the housing. A ratchet wheel mounted inside the lock housing on the rotatable shaft rotates with the latch wheel. A pawl normally engaged with the ratchet wheel allows the latch wheel to rotate into locking engagement with a keeper mounted in a door jamb while preventing the latch wheel from rotating out of engagement with the keeper until the pawl is retracted. A trip plate secured to the handle disengages the pawl from the ratchet wheel whenever the handle is manually retracted. Upon insertion of a correctly coded data combination card, a solenoid or motor mounted within the housing is activated to retract the pawl from engagement with the ratchet wheel.