Title: Operating systems for trailer brakes

Abstract: An operating system for trailer brakes, where the pull and pressure on the coupling unit between the tractor and trailer vehicles are utilized to control the braking power of the trailer by sensing the pull and pressure on the coupling unit and regulating the supply of braking power via an amplifier.

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Inventors: Nilsson, Sture Nils (Jakobsberg, SW)
Nilsson, Rune Sven (Lindesberg, SW)
Andren, Ingmar Karl Linus (Lindesberg, SW)

Application Number: 537427
Filing Date: 1974-12-30
Publication_date: 1976-05-11
Assignee: AB Linde International (Lindesberg, SW)
Primary Class(es): 188/112R 188/3R, 188/112A, 280/432, 303/7, 303/20
Other Classes:
US Patent Ref:

2856036	Oct, 1958	Mullen	188/112.
2916107	Dec, 1959	Huentelman	188/112.
3053348	Sep, 1962	Stair	188/112.

Other Refs: 439,728

Jan, 1927	DD

Primary Examiner: Blix, Trygve M.
Assistant Examiner: Butler, Douglas C.
Attorney: Flocks; Karl W.