Digital lock

Details Digital lock Digital lock

1985-11-15

1987-12-01

Gall, Lloyd A.

Locks

Portable

Padlocks

70299, 70313, E05B 3718

Patent

active

047095644

ABSTRACT:
A digital system lock can be unlocked by only pushing several push-buttons in the specified order. This digital system lock is unlocked by the cooperation of mechanical elements, without utilizing a microcomputer device, and does not require a key. If the push-buttons are pushed in an order which does not correspond to the specific order, mechanical elements also prevent the lock from being opened until a return button is pushed and the push-buttons are pushed in the specified order.

REFERENCES:
patent: 616647 (1898-12-01), Woodward
patent: 1123061 (1914-12-01), Alanchikoff
patent: 1276633 (1918-08-01), Forbes
patent: 1616725 (1927-02-01), Weigel
patent: 1773204 (1930-08-01), Scheibner
patent: 2029080 (1936-01-01), Mills
patent: 2536429 (1951-01-01), Dury
patent: 2628490 (1953-02-01), Klein
patent: 2967419 (1961-01-01), Katona
patent: 3276231 (1966-10-01), Sanowskis
patent: 3412587 (1968-11-01), Sanowskis
patent: 4014194 (1977-03-01), Hartman
patent: 4476698 (1984-10-01), Treslo

Affiliated with

Also associated with

Rating

Digital lock does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Digital lock, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Digital lock will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1924603