Mechanical door closer

Details Mechanical door closer Mechanical door closer

2007-03-06

2007-03-06

Mah, Chuck Y. (Department: 3677)

Miscellaneous hardware (e.g., bushing, carpet fastener, caster,

Closers

Spring

C016S080000, C016S049000, C016S071000

Reexamination Certificate

active

10501264

ABSTRACT:
A mechanical door closer (10) that includes a spring (20) mounted in a track (13) to urge the door (11) to a closed position. A brake assembly (24) controls that rate at which the door (11) closes. The brake assembly (24) includes a brake hub (25) that has ramp slots (32) that receive balls (33) that engage a braking shell (34) to cause the braking assembly (24) to frictionally engage the track (13) to thereby control movement of the door (11).

REFERENCES:
patent: 2277316 (1942-03-01), Garrison
patent: 2744779 (1956-05-01), Ellis
patent: 3164404 (1965-01-01), Arnold
patent: 3630560 (1971-12-01), Atkins et al.
patent: 4751766 (1988-06-01), Fahs et al.
patent: 4837890 (1989-06-01), Tully et al.
patent: 4858272 (1989-08-01), Ogawa et al.
patent: 5381628 (1995-01-01), D'Hooge
patent: 5829508 (1998-11-01), DeBower et al.
patent: 5901992 (1999-05-01), Winkler
patent: 5906026 (1999-05-01), Junttila
patent: 6253417 (2001-07-01), Rusiana
patent: 6557301 (2003-05-01), Hormann et al.
patent: 6684455 (2004-02-01), Mertin
patent: 4426430 (1996-02-01), None
patent: 19618834 (1996-11-01), None
patent: 0 635 613 (1995-01-01), None
patent: 0 740 040 (1996-10-01), None
patent: 0 790 381 (1997-08-01), None
patent: 10131602 (1998-05-01), None

Affiliated with

Also associated with

Rating

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

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

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3777063