Multipoint door lock assembly

Details Multipoint door lock assembly Multipoint door lock assembly

1994-08-01

1995-02-14

Lindsey, Rodney M.

Closure fasteners

Bolts

Multiple

292 39, 292DIG46, E05C 106

Patent

active

053888758

ABSTRACT:
A door lock assembly is provided for secure multipoint locking of a door. The lock assembly comprises a main lock cartridge in combination with one or more remote secondary lock cartridges mounted at one side edge of a door, with the main lock cartridge having an actuator for manipulating a plurality of lock members. In one preferred form for use with a hinged or swinging door, the lock members comprise a plurality of latch bolts movable to a first extended position for normal door latching, or to a second and further extended position to function as multiple deadbolts. In an alternate preferred form for use with a sliding door, the lock members comprise headed latch pins for engaging .keeper plates on the adjacent door jamb. In either embodiment, the door jamb may comprise the adjacent side edge of a second or semi-active door in a double door entry set, wherein the second door desirably includes a header-sill lock assembly which is maintained in a positively locked condition unless the adjacent door is opened.

REFERENCES:
patent: 1548882 (1925-08-01), Hemphill
patent: 3521920 (1970-07-01), Morand
patent: 4156541 (1979-05-01), Babb, Jr. et al.
patent: 4470277 (1984-09-01), Uyeda
patent: 4500122 (1985-02-01), Douglas
patent: 4643005 (1987-02-01), Logas
patent: 4754624 (1988-07-01), Fleming et al.
patent: 4962653 (1990-10-01), Kaup
patent: 5171047 (1992-12-01), Korb et al.
patent: 5290077 (1994-03-01), Fleming

Affiliated with

Also associated with

Rating

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

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

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-283008