Conveyor device with moving comb plate in the longitudinal direction
AssigneeOtis Elevator Company
InventorChan-Jong Park
Life of this patent
Estimating the term…
Abstract
A conveyor device includes a truss; a conveyance element, which is movable with respect to the truss in a longitudinal direction and which includes at least one groove extending along said longitudinal direction. The conveyor device further includes a comb plate having at least one tooth extending into the at least one groove. For minimizing the effects resulting from a comb crash, the conveyor device further includes at least one compensation device fixing the comb plate in the longitudinal direction during normal operation, but allowing the comb plate to move in the longitudinal direction in case of a comb crash.
Claims11
Conveyor device comprising:
- a truss;
- a conveyance element, which is movable with respect to the truss in a longitudinal direction and which comprises at least one groove extending along said longitudinal direction;
- a comb plate comprising at least one tooth extending into the at least one groove;
- and
- at least one compensation device, which is configured for
- fixing the comb plate in the longitudinal direction during normal operation, and
- allowing the comb plate to move in the longitudinal direction in case of a comb crash;
- wherein the at least one compensation device comprises at least one damping element arranged next to the comb plate in the longitudinal direction and comprising a hydraulic, pneumatic and/or electro-hydraulic compressible component.
Conveyor device comprising:
- a truss;
- a conveyance element, which is movable with respect to the truss in a longitudinal direction and which comprises at least one groove extending along said longitudinal direction;
- a comb plate comprising at least one tooth extending into the at least one groove;
- and
- at least one compensation device, which is configured for
- fixing the comb plate in the longitudinal direction during normal operation, and
- allowing the comb plate to move in the longitudinal direction in case of a comb crash;
- wherein the at least one compensation device comprises at least one friction element, which is configured for fixing the comb plate in the longitudinal direction by exerting a frictional force onto the comb plate;
- and at least one actuator, which is configured for pressing at least one friction element against the comb plate.
Method of reducing the damage resulting from a comb crash in a conveyor device comprising:
- a truss;
- a conveyance element, which is movable with respect to the truss in a longitudinal direction and which comprises at least one groove extending along said longitudinal direction;
- and
- a comb plate comprising at least one tooth extending into the at least one groove;
- wherein the method comprises:
- fixing the comb plate against any movement in the longitudinal direction caused by a force below a predetermined threshold;
- allowing the comb plate to move in the longitudinal direction when the force acting the comb plate exceeds the predetermined threshold;
- wherein the step of fixing the comb plate includes exerting a frictional force on the comb plate;
- wherein exerting a frictional force on the comb plate includes pressing at least one friction element against the comb plate.
Dependencies are inferred from the claim text.