Removable and stackable hoistway door assesmbly

Details Removable and stackable hoistway door assesmbly Removable and stackable hoistway door assesmbly

1988-02-08

1989-11-14

Reese, Randolph A.

Fences

Panel

Hinged

256 27, 256 73, 256DIG6, 160351, 52 70, 52 71, E04H 1716

Patent

active

048802107

ABSTRACT:
Disclosed herein is a hoistway door assembly for use with temporary hoists. The assembly includes a center member pivotable about either a first or a second axis. The center member is latchable from either the front or back sides and has stacking portions. The assembly includes wing members rotatable about the first or second axis and being interchangeable with one another. The wing members have stacking portions for mateable connection with the center member stacking portions. The center member is symmetrical about its horizontal centerline and the stacking portions are also symmetrical about the center member vertical centerline. The wing members stacking portions are likewise symmetrical about the vertical wing members centerline.

REFERENCES:
patent: 806343 (1905-04-01), Haver
patent: 2820256 (1958-01-01), Dahl
patent: 3611762 (1971-11-01), McBurnie
patent: 3766959 (1973-10-01), Himsl
patent: 4742653 (1988-05-01), Napier et al.

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