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Class Information
Number: 188/15
Name: Brakes > Vehicle > Wagon > Retreating shoe
Description: Wagon brakes in which the portions of the divided beam are withdrawn a considerable distance from the wheel upon release of the brake.

Patents under this class:

Patent Number Title Of Patent Date Issued
7651423 Variable speed drive device for bicycle Jan. 26, 2010
4045093 Dynamic blending with a spring-applied fluid pressure released service brake including cojoint spring and fluid pressure emergency feature Aug. 30, 1977

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