B - Operations – Transporting – 60 – T
Patent
B - Operations, Transporting
60
T
B60T 7/20 (2006.01) B60T 8/32 (2006.01)
Patent
CA 2283541
An apparatus and system for automated operation of the brakes on a towed vehicle, in particular the conventional hydraulic brakes on an automotive vehicle, by controlled actuation of its own brake pedal or other such conventional operating component which is normally manipulated by the operator of the vehicle. The preferred embodiment of the system utilizes a power-actuated tension member such as a cable which is attachable to the towed vehicle brake pedal to pull it downward and thus apply the vehicle brakes in controlled response to commands from a controller mountable at a remote location such as on the towing vehicle, and the controller preferably includes, and operates in response to, an inertia sensor and related system which monitors deceleration of the towing vehicle caused by application of its brakes etc., as well as a manual control for selective optional braking of the towed vehicle by the tow vehicle driver at any desired time. The apparatus and system further includes a power unit typically mounted on the towed vehicle (e.g., under the hood) has a drive motor that operates through a controllable slip clutch, preferably a magnetically engageable and controllable clutch device, for generating the pulling force applied to the towed vehicle brake pedal by the cable/tension member. Also, the power unit preferably includes a vacuum pump or other power assist unit coupled to the towed vehicle power brake system unit, to enable use of that system when the brake pedal is pulled down by the cable during the remotely controlled braking process.
Albright Marcia S.
Harner John B.
Morse Dennis M.
Smith Bruce E.
Borden Ladner Gervais Llp
Tekonsha Engineering Company
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