The use of a single hydraulic plunger and a common pivot point which expands two shoes against the drum with equal pressure whether braking from forward or reverse direction. The leading brake shoe is usually called the "Primary Shoe" and trailing shoe is called the "Secondary Shoe." Also see double leading brake shoe .
SINGLE LEADING BRAKE SHOE
Meaning of SINGLE LEADING BRAKE SHOE in English
English dictionary of automotive terms. Английский словарь автомобильных терминов. 2012