Apparatus for closing hatch doors of an elevator

Elevator – industrial lift truck – or stationary lift for vehicle – With barrier for regulating access to load support – Including barrier mounted at landing

Patent

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

187325, 187329, 49360, 16 81, B66B 1308

Patent

active

061422606

ABSTRACT:
Disclosed is an apparatus for closing hatch doors of an elevator, which is capable of minimizing a generation of noise during an opening and closing the hatch doors of the elevator. The apparatus for closing the hatch doors of the elevator, according to the present invention a frame which is attached to a wall of a landing in an elevator hoistway, for supporting a pair of door hangers to slidably move on the frame, a pair of hatch doors which respectively have the door hangers attached to each upper portion thereof, which are supported by a sill disposed on the landing, and which are slidable opened and closed along the sill and the frame, and a mechanism for closing the hatch doors of the elevator by using a self-weight thereof when the hatch doors are opened. The apparatus for closing the hatch doors of the elevator according to the present invention as constructed above is applied to various types of elevators and minimizes the noise generated during the opening and closing the hatch doors of the elevator.

REFERENCES:
patent: 920477 (1909-05-01), Keating
patent: 1966182 (1934-07-01), McCormick
patent: 2337716 (1943-12-01), Hall
patent: 2551032 (1951-05-01), McDonald
patent: 3328105 (1967-06-01), Trulaske
patent: 3426480 (1969-02-01), Dzamba
patent: 4126912 (1978-11-01), Johnson
patent: 4357732 (1982-11-01), Hickman
patent: 4503637 (1985-03-01), Parente
patent: 5060763 (1991-10-01), Garrido et al.
patent: 5377448 (1995-01-01), Boyd et al.
patent: 5579607 (1996-12-01), Braid
patent: 5606826 (1997-03-01), Calhoun

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Apparatus for closing hatch doors of an elevator does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Apparatus for closing hatch doors of an elevator, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Apparatus for closing hatch doors of an elevator will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-1632254

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.