Elevator system leveling safeguard control and method

Details Elevator system leveling safeguard control and method Elevator system leveling safeguard control and method

1987-06-19

1988-11-22

Shoop, Jr., William M.

Elevator, industrial lift truck, or stationary lift for vehicle

Stationary lift for roadway vehicle or required component...

Having specific drive means for support

187113, B66B 502

Patent

active

047859148

ABSTRACT:
An elevator control system with a local area network on the traveling cable and distributed control circuit safeguard for loss of remote microprocessor control with a car door open when floor releveling distance exceeds the landing zone limit. The elevator control circuit is interactive with the car driving apparatus and with the car door circuit so that when the driving apparatus for the car is leveling the car for passenger load weight gain or loss, the car door is signaled to remain open in the zone of the target floor so long as the distance that the car moves is within the elevator safety code requirements. A time delay relay interfaced with an output channel circuit of the microprocessor times out to stop car driving apparatus if the distance limit is exceeded.

REFERENCES:
patent: 3587785 (1971-06-01), Krauer et al.
patent: 3882969 (1975-05-01), Poocameni et al.
patent: 4114731 (1978-09-01), Faup et al.
patent: 4308936 (1982-01-01), Caputo et al.
patent: 4367810 (1983-01-01), Doane et al.

Affiliated with

Also associated with

Rating

Elevator system leveling safeguard control and method does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Elevator system leveling safeguard control and method, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Elevator system leveling safeguard control and method will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-429980