Title: Anti-jackknifing method and apparatus

Abstract: An anti-jackknifing method and apparatus for preventing uncontrolled skidding or jackknifing of a trailer towed by a tow vehicle. The method includes the step of continuously disabling one of the rear trailer brakes throughout a period when slippery road conditions are encountered so that the associated wheel is allowed to rotate freely. The apparatus for disabling the particular brake is actuable by the driver whenever slippery road conditions are anticipated, and are deactuated by the driver when such conditions no longer prevail.

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Other info:

Inventors: Powell, P. Ray

Application Number: 005148
Filing Date: 1979-01-22
Publication_date: 1980-09-23
Assignee:
Primary Class(es): 188/112A 303/7
Other Classes:
US Patent Ref:

3758165	Sep, 1973	Savelli	188/112.
3972543	Aug, 1976	Presley et al.	188/112.
4023863	May, 1977	Sisson et al.	188/112.

Other Refs:
Primary Examiner: Reger, Duane A.
Assistant Examiner:
Attorney: Fulwider, Patton, Rieber, Lee & Utecht