Retractable truck step with wireless door sensor
First Claim
1. A retractable truck step with wireless door sensor comprising:
- at least one motor that extends and retracts at least one automated vehicle entrance and exit step;
at least one sensor that detects the when a door is opened;
said sensor emitting a wireless signal to a receiver when said door is opened;
a receiver that receives said emitted wireless signal to operate said motor, andwherein said emitted wireless signal transmits a redundant signal to said receiver while said door is opened.
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Accused Products
Abstract
Improvements using a wireless door sensor in each door to eliminate modifying a vehicle wiring and simplify installation of a retractable step and controller for the step. Up to four magnetic door sensors/transmitter are mounted on the edge of each door jamb. A magnet is mounted in the door jamb in proximity to the transmitter'"'"'s magnetic sensor when the door is closed. Upon door movement the transmitter wakes and sends an open status message to a receiver where the message data is stored and the controller determines the correct responses. If a door on either side is opened the receiver/controller engages the appropriate step motor and lowers the step. The step remains lowered until the receiver stops receiving messages indicating that either door on a vehicle side is open or a transmitter of an open door has timed out and ceased transmissions.
78 Citations
19 Claims
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1. A retractable truck step with wireless door sensor comprising:
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at least one motor that extends and retracts at least one automated vehicle entrance and exit step; at least one sensor that detects the when a door is opened; said sensor emitting a wireless signal to a receiver when said door is opened; a receiver that receives said emitted wireless signal to operate said motor, and wherein said emitted wireless signal transmits a redundant signal to said receiver while said door is opened. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19)
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Specification