Device for blocking key passage of a lock

Locks – Operating mechanism – Key

Patent

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

70431, E05B 1714

Patent

active

042779626

ABSTRACT:
The invention relates to a device for blocking the key passage of a lock. The device can be utilized as a supplemental security, permitting the use of the lock only after a specific condition has been satisfied to produce the retraction or moving aside of the blocking element. The device comprises a movable abutment which can occupy a first position in which it blocks the key passage and a second position in which it clears the passage, the movement from the first position to the second position being controlled by a thermo-deformable element.

REFERENCES:
patent: 3820364 (1974-06-01), Greeley

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

Device for blocking key passage of a 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 Device for blocking key passage of a lock, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Device for blocking key passage of a lock will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-2159493

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