Access door for air flow conduits

Details Access door for air flow conduits Access door for air flow conduits

1990-12-07

1991-11-26

Lindsey, Rodney M.

Movable or removable closures

Removable closure

292241, E06B 332

Patent

active

050672789

ABSTRACT:
A readily demountable door assembly for sealing an aperture in a duct comprises a door member having an inwardly directed ramp or cam which lies within the duct and is inclined outwardly toward the duct surface. A clamp is adapted to be mounted adjacent the aperture of the duct at a position diametrically opposite the ramp. The clamp engages the door and shifts the same in the direction of the ramp, which movement presses the flange of the door tightly against the duct surface, the clamp including portions which overlie the door at positions remote from the ramp to urge such remotely disposed portions of the door against the duct surface.

REFERENCES:
patent: 11227 (1854-07-01), Ingalls
patent: 1320175 (1919-10-01), Reid
patent: 1849907 (1932-03-01), Clay
patent: 1876115 (1932-09-01), Way
patent: 3306644 (1967-02-01), Larsen
patent: 3789550 (1974-02-01), Seiwert
patent: 3792551 (1974-02-01), Hallas
patent: 4067605 (1978-01-01), Green et al.
patent: 4102546 (1978-07-01), Costello
patent: 4130966 (1978-12-01), Kujawa et al.
patent: 4730413 (1988-03-01), Henry
patent: 4813726 (1989-03-01), Ravinet
patent: 4890418 (1990-01-01), Sachs

Affiliated with

Also associated with

Rating

Access door for air flow conduits does not yet have a rating. At this time, there are no reviews or comments for this patent.

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

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2381075