| 摘要 |
The braking apparatus of this invention functions in cooperation with a rabbit lure car provided with longitudinally arranged brake shoes adapted to be clamped between elongated clamp members as the lure car passes the clamp members. Actuation of the clamp members is by a fluid cylinder, preferably pneumatic, lever-connected to an actuating rod that operates through a plurality of bell cranks to open and close the elongated clamps. The clamp opening is positioned in pre-set spacing when the operator transfers a control switch preparatory to the lure car's entering the vicinity of the clamp members. When the lure car passes a preestablished position following initial braking resulting from the pre-set clamp spacing, full clamp pressure is automatically applied, stopping the lure car. An associated fluid cylinder automatically opens a lure gate when the lure operator transfers the control switch to pre-set the clamp spacing. Transfer of the control switch to its initial position releases the clamp members and closes the lure gate. Emergency apparatus is provided for opening the lure gate and clamping the clamp members in the event the normally automatic system fails.
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