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"That the automobile has practically reached the limit of its development is suggested by the fact that during the past year no improvements of a radical nature have been introduced."
Scientific American ; Jan. 2 edition, 1909
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| Number | Title | Issue Date |
| 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 roller is placed so as to form a certain angle of torsion to a plane c... | 11/13/2007 |
| 6994195 | Clutch release mechanism A clutch mechanism connects a rotating shaft to an outer clutch member having a clutch keyway. The clutch mechanism permits the shaft to rotate in a normal direction and prevents the shaft from rotating in a reverse direction when the outer clutch member is rotation... | 02/07/2006 |
| 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, loose caps and/or scuffed caps. In particular, the mechan... | 06/29/1999 |
| 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. During loading/unloading cargos, a conveyor having the same ... | 04/20/1999 |
| 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 opposite ends of the pulley body and rotate with the pulley b... | 07/01/1997 |
| 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 circumference of a friction disk fixed for rotation with a dr... | 11/26/1996 |
| 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 holdbacks to actuate. This additional rotation of a rotatable shaf... | 10/05/1993 |
| 5090863 | Organizer system and method for a rotatable storage structure The present invention relates generally to automated distribution systems for storing and retrieving goods. More particularly, the invention relates to a rotatable storage carousel and supporting mechanisms for inserting and extracting containers from the... | 02/25/1992 |
| 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 from the drum, and a control member connected to the brake s... | 04/18/1989 |
| 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 brake current feedback are both used in the regulation of the... | 01/05/1988 |
| 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 prime mover, a brake for holding the load stationary, react... | 12/29/1987 |
| 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 linearly declining speed ramp of a speed pattern signal. The sig... | 05/13/1986 |
| 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 a fixed structure, such as a frame (50, 73, 89) through a ... | 10/22/1985 |
| 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 the conveyor inoperative. Several embodiments are disclose... | 09/11/1984 |
| 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 applied with substantially zero force, with the braking f... | 11/04/1980 |
| 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 starting and terminating the driving torque, a brake for t... | 09/23/1980 |
| 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 brake mechanism connected thereto, in which a motor drive pump... | 09/25/1979 |
| 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 brake. The electromagnetic brake has a mechanical braking means w... | 02/13/1979 |
| 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 shafts, the output shaft being a reaction shaft for the rota... | 09/13/1977 |
| 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 speed of the carrier along the track to stop the carrier whe... | 04/06/1976 |
