Protective device for speed sensing device
AssigneeOtis Elevator Company
InventorsGuohong Hu, Daryl J. Marvin
Life of this patent
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Abstract
A safety actuation assembly for an elevator system including a housing, a speed sensing device disposed within the housing, wherein the speed sensing device comprises a proximal end, and a protection device disposed within the housing and located adjacent to the proximal end of the speed sensing device; the protection device configured to be placed in a first position when in a non-engaging position and in a second position when in an engaging position.
Claims19
A safety actuation assembly for an elevator system comprising:
- a housing;
- a speed sensing device disposed within the housing, wherein the speed sensing device comprises a proximal end;
- and
- a protection device disposed within the housing and located adjacent to the proximal end of the speed sensing device;
- wherein the protection device configured to be placed in a first position when in a non-engaging position and a second position when in an engaging position.
The safety actuation device of 2, further comprising a retention device disposed adjacent to the protection device.
An elevator system comprising:
- a hoistway;
- a first elevator component disposed within the hoistway and configured to travel within the hoistway;
- and
- a safety actuation assembly operably coupled to the first elevator component, the safety actuation assembly comprising:
- a housing;
- a speed sensing device configured to determine a speed of the first elevator component, wherein the speed sensing device comprises a proximal end;
- a protection device disposed within the housing and located adjacent to the proximal end of the speed sensing device;
- the protection device configured to be placed in a first position when in a non-engaging position and in a second position when in an engaging position.
Dependencies are inferred from the claim text.