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US 2026/0145912 A1Published application
Full-ceiling drop-down platforms for maintenance from inside ca
AssigneeOtis Elevator Company
InventorsErgün Alkan, Thomas Masayda
Life of this patent
Estimating the term…
Abstract
An elevator car is provided and includes a body and an actuation system. The body includes a floor, sidewalls and a ceiling movable relative to the sidewalls. The actuation system is coupled with the ceiling and operable to raise and lower the ceiling.
Claims20
An elevator car, comprising:
- a body comprising a floor, sidewalls and a ceiling movable relative to the sidewalls;
- and
- an actuation system coupled with the ceiling and operable to raise and lower an entirety of the ceiling relative to the floor with an orientation of the ceiling relative to an orientation of the floor remaining constant at raised and lowered positions thereof.
An elevator car, comprising:
- a body comprising a floor, sidewalls and a ceiling movable relative to the sidewalls;
- and
- a winch comprising a spool and a cable, which is woundable on the spool and attached to the ceiling and a brace about which the cable extends between the spool and the ceiling,
- the spool being operable to raise and lower an entirety of the ceiling relative to the floor and relative to the spool and the brace with an orientation of the ceiling remaining constant relative to an orientation of the floor at raised and lowered positions thereof by winding and unwinding the cable,
- wherein the brace is disposed across a middle of the ceiling and the spool is disposed at a side of the ceiling such that the cable extends horizontally from the spool to the brace and vertically from the brace to the ceiling.
2 more elements
(canceled)
An elevator car, comprising:
- a body comprising a floor, sidewalls and a ceiling movable relative to the sidewalls;
- an actuator which is operable to move between first and second positions associated with raised and lowered positions of the ceiling, respectively;
- and
- a cable extending from the actuator and to the ceiling whereby the ceiling is raised and lowered as the actuator moves between the first and second positions,
- wherein the actuator is movable vertically or horizontally along an exterior of one of the sidewalls.
2 more elements
(canceled)
Dependencies are inferred from the claim text.