Matches 1 - 12 out of 12


Match Document Document Title
8636117 Wedge shape safety stop  
A safety stop is provided for stopping a movable member having at least one set of opposed wheels for gripping a rail. The stop has a track on each of opposite sides forming a wedge shape of a...
8596422 Wedge shape safety stop  
A safety stop is provided for stopping a movable member having at least one set of opposed wheels for gripping a rail. The stop has a track on each of opposite sides forming a wedge shape of a...
6679353 Stair-climbing chair system  
A stair-climbing system includes a guide rail laid along stairs, a chair slidably mounted on the rail, and a lifter for moving the chair along the rail. The chair is provided with a switch for...
6460657 Conveyor apparatus for open-cut mining  
An inclined elevator for excavating an open cut mine in stopes has a traveling platform and counterweight coupled by cables whose upper and lower passes extend over upper and lower cable pulleys...
5765662 Wheeled raise skip  
A raise buggy has a storage and transport cabinet for storing and transporting equipment and material along an inclined raise, over an inclined raise floor extending between a base level and a...
5487450 Braking apparatus and method for a rail-bound carriage of an inclined or vertical elevator  
An apparatus and method for braking a carriage which travels on rails of an inclined or vertical elevator. The elevator includes a cable driving device having cables connected to the carriage for...
5476155 Stairway lift  
A stairway lift is provided on the treads of a stairway along a sidewall. A guide of the lift is provided on the treads along the sidewall so that a space is formed between the sidewall and the...
5142991 Inclined rail trolley safety device with lever operated cable shieve for taking up slack in the cable to control trolley drive  
A safety device for a trolley riding an inclined track. The safety device includes a safety line running parallel to a tow cable operating the trolley. The trolley includes a lever with a distal...
4550806 Elevating apparatus  
An elevating apparatus comprises an inclined elevator and a load-carrying carriage. The inclined elevator comprises a pair of guide rails, and the carriage is movable along the guide rails by...
4433628 Apparatus for preventing runaway of carriers in power and free conveyor  
In an apparatus for preventing runaway of carriers in a power-and-free conveyor, each of the carriers has a runaway preventing stopper rotatable about its center portion in a substantially...
2923379 Safety device for elevators  
2886136 Safety devices for inclined elevators  

Matches 1 - 12 out of 12