Cylinder lock

Details Cylinder lock Cylinder lock

1981-10-09

1984-01-24

Smith, Gary L.

Locks

Parts, attachments, accessories and adjuncts

70279, 70364R, 70391, E05B 1700, E05B 3300, E05B 4700

Patent

active

044268645

ABSTRACT:
A cylinder lock including a rotor casing formed with a groove and an elongated through-opening, a rotor rotatably received in the rotor casing, tumblers which are respectively formed with projecting ends engageable with the groove and slidably fitted into the rotor, a tumbler blocking member slidably inserted into the elongated through-opening, a plunger and a plunger driving device. By the above arrangement, the cylinder lock can be positively unlocked either by using a key or without using the key and instead using the plunger driving device and driving the tumbler blocking member.

REFERENCES:
patent: 1476841 (1923-12-01), Raymond
patent: 2061638 (1936-11-01), Segal
patent: 2879658 (1959-03-01), Johnstone
patent: 3241344 (1966-03-01), Peters
patent: 3304755 (1967-02-01), Johnstone
patent: 3670538 (1972-06-01), Curry
patent: 3705507 (1972-12-01), Sanders et al.
patent: 3894417 (1975-07-01), Taniyama

Affiliated with

Also associated with

Rating

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

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1281305