Elevator system safety brace device

Details Elevator system safety brace device Elevator system safety brace device

1975-03-13

1977-04-05

Blunk, Evon C.

Elevator, industrial lift truck, or stationary lift for vehicle

Stationary lift for roadway vehicle or required component...

Having specific drive means for support

187 79, B66B 506

Patent

active

040156893

ABSTRACT:
An elevator safety construction in which detent means is provided to block any elevator from falling more than one floor in free fall from such accidents as breakage of the supporting lift cables of the elevator in its shaft. Each floor of the building has its own safety blocking brace normally extending into the path of the descending elevator to block its path therepast. Timing mechanism times the speed of the elevator car and as long as it is lower than the predetermined car descent speed, each of the successive blocking braces is withdrawn, allowing the car to descend successively past each brace. If, however, the descent speed of the car is excessive, then lower braces are not withdrawn and the car cannot move past them, thus blocking crashes and injuries or fatalities to occupants.

REFERENCES:
patent: 969557 (1910-09-01), Norris
patent: 982333 (1911-01-01), Wilson
patent: 1002048 (1911-08-01), Faulkner
patent: 1562117 (1925-11-01), Monroe
patent: 2511697 (1950-06-01), Clift
patent: 3474886 (1969-10-01), Iordanidis

Affiliated with

Also associated with

Rating

Elevator system safety brace device 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 safety brace device, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Elevator system safety brace device will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2262230