Back to results
US 12,686,593 B2Granted
Elevator pit safety system and methods of use thereof
AssigneeElectronic Controls Company
InventorsMichael Rose, Walter Heidt Barnes
Life of this patent
Estimating the term…
Abstract
An elevator pit safety system is provided, along with methods of use thereof. An elevator pit safety system may include a control system, an emergency stop switch, and a power switch. The emergency stop switch may be configured to stop an elevator cab. The power switch may be configured to operate a lighting system. The control system may prevent either from being used without the other. The elevator pit safety system may be configured to allow overriding the safety features.
Claims15
An elevator pit safety system comprising:
- a control system;
- an emergency stop switch connected to the control system;
- a power switch connected to the control system and a lighting system;
- a power system comprising a power supply, a battery, and a battery charger and connected to the power switch and the lighting system, wherein the power system is configured to operate even when the power supply fails;
- and
- one or more override buttons connected to the control system.
3 more elements
An elevator pit safety system comprising:
- a power switch connected both to a control system and to a lighting system, wherein the power switch has an associated power input state, and wherein the lighting system has an associated lighting output state;
- an emergency stop switch connected to the control system, wherein the emergency stop switch has an associated emergency-stop input state;
- a stopping component connected to the control system, wherein the stopping component has an associated stopping output state;
- and
- one or more override buttons connected to the control system, wherein each of the one or more override buttons has an associated override input state.
2 more elements
An elevator pit safety system comprising:
- a control system;
- a pit emergency stop switch connected to the control system;
- a power switch connected to the control system;
- one or more override buttons connected to the control system;
- a first enclosure,
- wherein a portion of the control system is enclosed in the first enclosure and
- wherein the pit emergency stop switch and override buttons are positioned on the first enclosure;
- and
- a handheld station connected to the control system and having one or more auxiliary override buttons.
6 more elements
Dependencies are inferred from the claim text.