Brakes – Operators – Automatic
Patent
1997-05-20
2000-03-14
Graham, Matthew C.
Brakes
Operators
Automatic
188345, B60T 1308
Patent
active
060359773
ABSTRACT:
A trailer break away safety mechanism which brings a trailer to a controlled stop after disengagement with a pulling vehicle. The mechanism consists of a cable which remains attached to the trailer after the trailer has disengaged from the pulling vehicle. As the trailer slows in relationship to the pulling vehicle, the cable actuates a braking mechanism on the trailer. Once the breaking mechanism has been fully actuated, the S-hook which attaches the cable to the pulling vehicle straightens, thereby completely releasing the trailer from the pulling vehicle. The cable is connected to a lever which pivots to actuate the braking system on the trailer. A catch spring and catch pin are provided to prevent the lever from inadvertently moving to its nonactuation position after the trailer has separated from the pulling vehicle. The use of the lever allows accurate and positive engagement of the trailer braking system which may be easily released by simply lifting a catch pin up and away from the actuated lever.
REFERENCES:
patent: 3180454 (1965-04-01), De Angelis et al.
patent: 3215230 (1965-11-01), Wherry
patent: 3682278 (1972-08-01), Wherry et al.
patent: 4239252 (1980-12-01), Hevtsch et al.
patent: 5485900 (1996-01-01), Denny
patent: 5492204 (1996-02-01), Wallace
DICO, Inc.
Graham Matthew C.
Herink Kent A.
Rosenberg Daniel A.
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