Machine element or mechanism – Elements – Gear casings
Reexamination Certificate
1999-09-24
2001-06-19
Herrmann, Allan D. (Department: 3682)
Machine element or mechanism
Elements
Gear casings
C248S659000, C248S671000
Reexamination Certificate
active
06247383
ABSTRACT:
BACKGROUND OF THE INVENTION
The present invention concerns a two-part torque-compensating suspension for a transmission mounted around the shaft of a machine and.
Transmissions mounted torsion-resistant around the shaft of a machine require torque-compensating suspensions to apply the opposing torque to a fixed point on the base of the machinery. That point is a precisely prescribed distance from the shaft. The suspension must allow displacement of the shaft's axial midpoint. Such displacements occur in mechanisms that drive rollers when materials of different thickness are being processed and in shredders when the driven shaft is hydraulically adjusted. Displacement can also occur as the result of thermal expansion.
One known two-part torque-compensating suspension includes connecting rods connected to each other by a torque-compensation shaft and engaging a rocking plate. Each end of the torque-compensation shaft rests in a pedestal mounted on a perpendicular wall or on a horizontal base. Such suspensions relieve the machine's bearings of all transverse forces with the exception of weight. Displacements on the part of the main shaft are transmitted free of force in relation to the base of the machine.
SUMMARY OF THE INVENTION
The object of the present invention is a torque-compensating suspension of the aforesaid genus that will transmit forces of reaction to the base by simple means without applying load to the shaft.
As in the generic suspension, the only force the shaft is subjected in accordance with the present invention to is weight, and displacements of the shaft are transmitted free of force in relation to the base. The system of levers, however, simplifies and renders the overall design more cost-effective in that, since the linkages are simply bores, there is no need for an expensive torque-compensation shaft.
REFERENCES:
patent: 888535 (1908-05-01), Royce
patent: 1161531 (1915-11-01), Royce
patent: 1664129 (1928-03-01), Pallenberg
patent: 2108515 (1938-02-01), Summers
patent: 4500054 (1985-02-01), Osborn
patent: 5003835 (1991-04-01), Ackermann et al.
A. Friedr. Flendep AG
Fogiel Max
Herrmann Allan D.
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