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Document Title |
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7293641 |
Belt driving mechanism
In a belt driving mechanism, an endless belt is wrapped around a driving roller and a driven roller. The endless belt runs between the driving roller and the driven roller. The axis of the driven...
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5915526 |
Safety apparatus for in-line capping machine
A straight line capping machine is provided that wherein the cap tightening discs and the container grasping mechanism are synchronized to a predetermined relationship so as to prevent cocked caps,...
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5895193 |
Container having caterpillar mechanism for fast loading/unloading of cargos
An improved container having caterpillar mechanism for loading/unloading of cargos comprises a bottom plate formed with caterpillar mechanism and left/right side walls with two lateral openings....
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5642804 |
Pulley brake
An improved braked pulley assembly for an endless conveyor including a pulley body, a pair of gearboxes, and a pair of hydraulic braking members. The gearboxes have bodies affixed to relatively...
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5577598 |
Apparatus for controlling the conveyor speed of moving conveyor means
In moving conveyors or treadmills with variable inclination, there is provided an apparatus for controlling the conveyor speeds, which apparatus comprises a brake band with the aid of which the...
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5249666 |
Load compensator for geared holdback devices
A holdback system is provided which allows additional rotation of a shaft following actuation of an associated holdback device. That additional rotation of a shaft permits other associated...
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4821873 |
Brake system
A brake system for braking a shaft of an apparatus subject to runaway to stop runaway. The system comprises a brake drum on the shaft, one or more brake shoe(s) engageable with and disengageable...
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4717865 |
Transportation apparatus
Transportation apparatus, such as escalators and moving walks, having an electrically released, magnetically set brake, and a servo loop for regulating the brake coil current. Brake voltage and...
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4715491 |
High inertia load drives and controls therefor
A drive system is described for driving high-inertia loads such as, for example, conveyor belts for carrying minerals in mines, quarries, etc. The drive system for a high inertia load comprises a...
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4588065 |
Escalator with controlled brake
An escalator having improved brake control, to limit the rate of deceleration immediately following a stop command, and to quickly cause the actual speed of the escalator to closely follow a...
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4548316 |
Run-back safety mechanism for conveyor apparatus
To permit unloading and release of statically stored dynamic energy in a run of a loaded conveyor, e.g. a mining conveyor belt, the return stop mechanism or back-run safety mechanism is coupled to...
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4470501 |
Pullcord lockout device for a conveyor system
A lockout safety device used in combination with a conveyor pullcord syst The device is used to tension and then lock the conveyor system's pullcord in the tensioned position which action renders...
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4231452 |
Spring applied, electric released drum brake
A spring-applied, electrically released drum brake which is self-energizing in one direction, and partially deenergizing in the other direction. Regardless of braking direction, the brake shoes are...
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4223775 |
Driving and braking apparatus
A driving and braking apparatus usable with a load such, for example, as an uphill belt conveyor. The apparatus includes a motor for exerting driving torque on the load, a first control device for...
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4168611 |
Acceleration and/or deceleration control system for mechanical power drives
A system for controlling the acceleration and/or deceleration of a mechanical power drive having a rotatable power output element and a rotatable reaction element with a hydraulic or pneumatic...
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4139810 |
Device for stopping passenger conveyor
The present invention is a device for stopping a passenger conveyor. A stop pushbutton is depressed to deenergize a driving motor for an escalator and an operating winding for an electromagnetic...
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4047452 |
Belt conveyor drive mechanism
A drive mechanism for a belt conveyor system having a driven pulley and a belt trained thereon, the mechanism including a speed reducer disposed in the pulley and having coaxial input and output...
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3948187 |
Power and free conveyor system
A conveyor comprising a track, at least one carrier movable along the track, and a conveyor for driving the carrier along the track. A device is provided along the track and is responsive to the...
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3871514 |
Safety brake apparatus for belt conveyor
A safety brake apparatus for stopping a conveyor belt in the event of a drive chain failure comprises at least one drum which engages the conveyor and a ratchet assembly which is mounted on the...
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3701414 |
FAILSAFE DECELERATING SYSTEM
The comparison of fluid flows or electrical signals is utilized to decelerate a system (e.g., a conveyor) by regulating the fluid pressure in a brake assembly. A time decay reference signal which...
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2873848 |
Shaft locking means
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2813604 |
Anti rollback device for conveyors
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2797793 |
Safety device for machines for making prints
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