Name: Merchandising > Customer service > Store service > Single-impulse systems > Spring > Longitudinally moving line
Description: The track itself or a line parallel to and coextensive with the track is an elastic cable or has springs inserted between its ends and the supports. The car is propelled from either end by pulling the line at the end and straining the elastic cable or the spring at the opposite end and quickly releasing, when the car is propelled through means of a projecting part on the line.
Patents under this class:
||Title Of Patent