Coin operated locking mechanism for self service trolleys - has two part magnetically operated sliding element allowing removal of intermediate trolley from line

摘要

A mobile slider has one part which provides the locking action for the connecting piece which attaches the trolley to a fixed point. A second part is separate and located towards the end of a lock case. An intermediate part maintains the separation and is equal to the length of travel for the locking and unlocking action. This is displaced by a magnetic service key to move the part providing the locking action. The magnetic element attracts the end part of the slider away from a shoulder to allow sliding action to occur. A claw integral with the internal face of the cover helps maintain a coin or token in position to permit operation in an unlocking direction after which the coin is displaced to a storage position.