Anti-rotation lock apparatus for inside deadbolt locks

Details Anti-rotation lock apparatus for inside deadbolt locks Anti-rotation lock apparatus for inside deadbolt locks

1990-09-20

1991-07-30

Gall, Lloyd A.

Locks

Special application

For control and machine elements

70416, E05B 1308

Patent

active

050351281

ABSTRACT:
Anti-rotation lock apparatus prevents the rotation of a deadbolt key or handle by holding the key or handle from the inside of a door. The apparatus includes a base element which fits over the key or lock handle and an extension which extends from the base element and which is braced against the doorknob or doorknob assembly to prevent rotation of the base element and of the key or handle on which the base element is disposed.

REFERENCES:
patent: 817962 (1906-04-01), Dengler
patent: 836850 (1906-11-01), Younglove
patent: 874688 (1907-12-01), Lee
patent: 996847 (1911-07-01), Gavin
patent: 1055510 (1913-03-01), Birkle, Jr.
patent: 1079860 (1913-11-01), Kiehl
patent: 1167342 (1916-01-01), Fraser
patent: 1467057 (1923-09-01), Moglich
patent: 1538050 (1925-05-01), Mark
patent: 1571543 (1926-02-01), Fratzke
patent: 1627709 (1927-05-01), Menchen
patent: 1671454 (1928-05-01), Stoutenburgh
patent: 1869689 (1932-08-01), Holland
patent: 1971440 (1934-08-01), Aubertin
patent: 2396982 (1946-03-01), Bousquet
patent: 2463195 (1949-03-01), Mungan
patent: 3596961 (1971-08-01), Lippman
patent: 3862556 (1975-01-01), Moses
patent: 3913962 (1975-10-01), Briggs
patent: 4043578 (1977-08-01), Downs
patent: 4135748 (1979-01-01), Roberts
patent: 4326394 (1982-04-01), Stein
patent: 4330146 (1982-05-01), Sessions, Jr.
patent: 4387919 (1983-06-01), Quaintance
patent: 4578970 (1986-04-01), Youngblood et al.
patent: 4603895 (1986-08-01), Langenbahn
patent: 4607253 (1986-08-01), Wooten et al.
patent: 4653786 (1987-03-01), Bopst
patent: 4657293 (1987-04-01), Bell
patent: 4715200 (1987-12-01), Katsaros
patent: 4819461 (1989-04-01), Pearson

Affiliated with

Also associated with

Rating

Anti-rotation lock apparatus for inside deadbolt locks does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Anti-rotation lock apparatus for inside deadbolt locks, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Anti-rotation lock apparatus for inside deadbolt locks will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1536046