Door furniture

Details Door furniture Door furniture

1977-09-02

1979-03-06

Foss, J. Franklin

Closure fasteners

Bolts

Sliding

70468, E05B 5504, E05C 112, E05C 116

Patent

active

041427483

ABSTRACT:
Door lock apparatus in which a door latch mechanism is operated by inner and outer door handles coupled to a latch shaft extending through the latch mechanism. Handles are coupled to ends of latch shaft by coupling devices enabling door to be locked from the inside to prevent entry from the outside but can still be opened from the inside by normal operation of outside handle. Inside coupling device has limited lost-motion which is used to operate cam device to unlock the door on actuation of inner handles.

REFERENCES:
patent: 2164290 (1939-06-01), Hurd
patent: 2385173 (1945-09-01), Voight
patent: 2801536 (1957-08-01), Best
patent: 2998273 (1961-08-01), Unetic
patent: 3390910 (1968-07-01), Kuchler
patent: 3819214 (1974-06-01), Hart et al.
patent: 3823585 (1974-07-01), Spon
patent: 3858918 (1975-01-01), McBurnie

Affiliated with

Also associated with

Rating

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

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

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-918670