Agitating – Mortar mixer type – Movable mixing chamber
Patent
1997-04-08
1998-10-13
Soohoo, Tony G.
Agitating
Mortar mixer type
Movable mixing chamber
B28C 542
Patent
active
058202587
ABSTRACT:
An improved cement-mixing drum support and drive arrangement is disclosed herein. Such an arrangement can be used with a cement-mixing drum of the type incorporated in a self-propelled mobile cement mixer, a stationary cement mixer, or a trailer-supported cement mixer. The drum support provides an axis of rotation for the driven end of the drum, wherein the motor which generates the energy to rotate the drum can move with the driven end of the drum in response to deflections of the drum relative to the structure supporting the drum. In particular, the shaft which supports the driven end of the drum is rotatably supported by a bearing, wherein the bearing is permitted to rotate about an axis perpendicular to the rotational axis of the bearing. This may be provided by using a bearing supported by a universal-type joint. To permit the motor which drives the drum to move freely in response to deflections of the driven end of the drum, the motor is supported by the drum drive shaft and restrained from rotation by the universal-type joint.
REFERENCES:
patent: 3658303 (1972-04-01), Funk
patent: 3851862 (1974-12-01), Mihulowicz
patent: 4378163 (1983-03-01), Jameson et al.
patent: 4453830 (1984-06-01), Jameson et al.
patent: 4461577 (1984-07-01), Mechem
patent: 4575254 (1986-03-01), Johnston
patent: 5149126 (1992-09-01), Brennan
Oshkosh Truck Corporation
Soohoo Tony G.
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