Elevator access systems for elevators
AssigneeOtis Elevator Company
InventorsGuillaume Montigny, Gerard Sirigu, Sebastien Fougeron
Life of this patent
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Abstract
Elevator access systems are provided. The elevator access systems include a bushing having a keyway, a plunger disposed within the bushing and movable relative thereto, a lever operably connected to the plunger, and a removable plug located within the keyway of the bushing, wherein the removable plug urges the plunger and the lever into a first position, and upon removal of the removable plug, the plunger and the lever move to a second position, wherein in the second position the plunger is accessible to operate the lever.
Claims16
An elevator access system comprising:
- a bushing having a keyway;
- a plunger disposed within the bushing and movable relative thereto;
- a lever operably connected to the plunger;
- and
- a removable plug located within the keyway of the bushing, wherein the removable plug urges the plunger and the lever into a first position, and upon removal of the removable plug, the plunger and the lever move to a second position, wherein in the second position the plunger is accessible to operate the lever.
The elevator access system of wherein the plunger has a contact surface and the elevator safety chain switch has a switch arm, wherein as the plunger moves from the first position to the second position, the contact surface contacts the switch arm to actuate the elevator safety chain switch.
An elevator system comprising:
- an elevator shaft having a plurality of landings;
- and
- an elevator system located at at least one of the plurality of landings, the elevator access system having a bushing a keyway, a plunger disposed within the bushing and movable relative thereto, a lever operably connected to the plunger, and a removable plug located within the keyway of the bushing, wherein the removable plug urges the plunger and the lever into a first position, and upon removal of the removable plug, the plunger and the lever move to a second position, wherein in the second position the plunger is accessible to operate the lever.
Dependencies are inferred from the claim text.