Back to results
US 11,697,573 B2Granted
Hoistway access ladder storage
AssigneeOtis Elevator Company
InventorsJean-Emile Rocher, Vincent Lopez
Life of this patent
Estimating the term…
Abstract
A storage system (500) for an elevator hoistway access ladder (300) includes a landing doorway (502) comprising a door column (504) and a landing door (506). The door column (504) includes a rotating support (501) for storing the hoistway access ladder (300), and the rotating support is rotatable relative to the door column (504).
Claims12
An elevator hoistway access ladder storage system (500) comprising:
- a landing doorway (502), the landing doorway (502) comprising a door column (504) and a landing door (506);
- wherein the door column (504) comprises a rotating support (501) for storing a hoistway access ladder within the rotating support (300), the rotating support (501) being rotatable relative to the door column (504);
- wherein the door column (504) comprises a cavity (505), and wherein the rotating support (501) is rotatable between a first position inside the cavity (505) and a second position inside the landing doorway (502).
The elevator hoistway access ladder storage system (400;
- 500) according to claim, 1 wherein the landing door (406;
- 506) is a side opening door.
A method of storing a hoistway access ladder (300) in a landing doorway of an elevator hoistway (117), the method comprising:
- mounting a rotating support (501) to a door column of the landing doorway (402;
- 502), wherein the door column (404;
- 504) comprises a cavity (405;
- 505), the rotating support (501) being rotatable relative to the door column (404;
- 504) between a first position within the cavity (405;
- 505) to a second position inside the landing doorway (402;
- 502);
- and
- storing the hoistway access ladder (300) in the rotating support (501) in the first position within the cavity.
6 more elements
Dependencies are inferred from the claim text.