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US3565215A
|
|
Floor selector system
|
|
GB1188638A
|
|
Container Type Automatic Loading and Discharging System for Dumbwaiters
|
|
GB1194171A
|
|
Dumbwaiters for Distributing Articles.
|
|
GB1222278A
|
|
Coupling device
|
|
GB1207247A
|
|
Improvements in drawbridges for the cars of dumb-waiters and elevators
|
|
US3565270A
|
|
Coupling for carts
|
|
US3537211A
|
|
Reversing edge control for car doors
|
|
US3447704A
|
|
Container type automatic loading and discharge system for dumbwaiters
|
|
US3396822A
|
|
Drawbridge
|
|
US3432055A
|
|
Coupling for carts
|
|
US3341037A
|
|
Vehicle positioning apparatus
|
|
US3352059A
|
|
Reversing edge for gates
|
|
US3337070A
|
|
Loading and unloading apparatus for dumb waiters and the like
|
|
US3237789A
|
|
Unloading apparatus for dumb waiters and the like
|
|
GB981734A
|
|
Improvements in or relating to operating mechanisms for elevator doors
|
|
US3051269A
|
|
Power operator for elevator shaftway doors
|
|
US2925895A
|
|
Fire latch for elevator doors
|
|
US2891289A
|
|
Safety astragal for freight elevator doors
|
|
US2949648A
|
|
Safety astragal for dumbwaiter doors
|
|
US2952030A
|
|
Snubbing means for reciprocating elements
|
