Door apparatus for rest room

Details Door apparatus for rest room Door apparatus for rest room

1994-11-09

1997-02-25

Kannan, Philip C.

Movable or removable closures

Convex or concave closure and opening

4607, 49387, 52 65, 52 791, E06B 334

Patent

active

056050143

ABSTRACT:
A door apparatus for a rest room includes a wall member defining a predetermined space and an opening for an entrance and an exit thereof; a door body for opening or shutting the opening, having a substantially half-cylindrical shape, being rotatable about a center of curvature of the half-cylindrical shape; and a driving device for driving and rotating the door body about the center of curvature. In a preferred embodiment, the driving device has a pulley with a peripheral shape of involute, a wire wound about the pulley, and a weight connected to an end of the wire. The weight is inserted into a tube receiving oil.

REFERENCES:
patent: 609774 (1898-08-01), Burner
patent: 3399501 (1968-09-01), Rossman
patent: 4665584 (1987-05-01), Williams
European Search Report--Application No.EP 94 30 8259.
Patent Abstracts of Japan--Publication No. JP5044348, vol. 17, No. 346 (M-1437) 30 Jun. 1993.
Patent Abstract of Japan--Publication No. JP5106382, vol. 17, No. 465 (M-1468) 25 Aug. 1993.

Affiliated with

Also associated with

Rating

Door apparatus for rest room 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 apparatus for rest room, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Door apparatus for rest room will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1968484