specially adapted for winding gear, e.g. in mining hoists

Full Title

Braking or detent devices characterised by application to lifting or hoisting gear, e.g. for controlling the lowering of loads (for pulley blocks B66D3/10) > Crane, lift hoist, or winch brakes operating on drums, barrels, or ropes > Operating devices > pneumatic or hydraulic > specially adapted for winding gear, e.g. in mining hoists