Automatic door operator for swing doors

Details Automatic door operator for swing doors Automatic door operator for swing doors

1982-12-30

1985-02-26

Downey, Kenneth

Movable or removable closures

Treadle or impact initiated operator

Switch in approach to closure

49 31, 49336, 49334, E05F 1300

Patent

active

045010900

ABSTRACT:
An automatic door operator for a swing door supported by a door supporting frame to swing about a vertical axis. The automatic door operator includes a mechanism for opening and closing the swing door, a drive for driving the door opening and closing mechanism to open the swing door, the drive including a prime mover for driving the door opening and closing mechanism, a door closer including a resilient device for storing part of mechanical energy provided by the drive in opening the swing door and for exerting driving force on the door opening and closing means by using the stored mechanical energy to close the door, a unit for electrically controlling the drive to swing the swing door, and a sensor for sensing a body accessing the door and thereby providing an electric signal to open the door to the controlling unit.

REFERENCES:
patent: 3470653 (1969-10-01), Kalog
patent: 3874117 (1975-04-01), Boehm
patent: 4220051 (1980-09-01), Catlett
patent: 4333270 (1982-06-01), Catlett

Affiliated with

Also associated with

Rating

Automatic door operator for swing doors does not yet have a rating. At this time, there are no reviews or comments for this patent.

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

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-511046