Cylinder-lock with flat key

Locks – Operating mechanism – Key

Patent

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

70395, 70398, 70409, E05B 1908, E05B 1912, E05B 2710

Patent

active

043770827

ABSTRACT:
The invention relates to a cylinder-lock having a flat key comprising a shank having at least one profile longitudinal groove extending from the end thereof to accommodate a rib in the key-channel of the cylinder-lock, said shank including fixed key bits adapted to index pin-tumblers in the cylinder-lock, said key including in the area of the wide side of the shank an additional movable key bit, said movable key bit being adapted to be controlled by a shoulder in the key-channel such that when the key is inserted it induces an auxiliary tumbler into a position which allows the cylinder core of the lock to be rotated.

REFERENCES:
patent: 828480 (1906-08-01), Ibbott et al.
patent: 1333887 (1920-03-01), Warren
patent: 1382826 (1921-06-01), Dove
patent: 1735868 (1929-11-01), Klingel
patent: 3877267 (1975-04-01), Harris

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

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

Rate now

     

Profile ID: LFUS-PAI-O-1865379

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.