Vibratory generating mechanism and vibratory roller utilizing vi

Details Vibratory generating mechanism and vibratory roller utilizing vi Vibratory generating mechanism and vibratory roller utilizing vi

1997-12-09

1999-11-16

Lisehora, James A.

Road structure, process, or apparatus

Apparatus

Means to agitate material

74 61, 404130, E01C 1928, F16H 3300

Patent

active

059845724

ABSTRACT:
To be able to start and stop vibration without resonating a vibratory body as well as to prevent a drawback of a conventional technology in which when a vibration generating shaft is rotated at a high speed, a torsional coil spring is worn by being brought into abrasive contact with a bent support member and a receiving seat and a large sound is generated when a main weight returns in an axial direction of the vibration generating shaft, there is provided a vibratory generating mechanism having a movable eccentric weight 4 rotatable around a pivoting shaft 3, a sliding member 11 capable of linearly moving on the axial line of the vibration generating shaft along a guide member 6 at one end of the vibration generating shaft, a connecting rod 12 one end of which is connected to the sliding member and other end of which is connected to the movable eccentric weight for transforming a displacement of a linear movement of the sliding member into a displacement of a rotational movement around a pivoting shaft of the vibration generating shaft, a stopper 14 for restricting a range of pivoting the movable eccentric weight to an angle nullifying an amount of eccentricity of the vibration generating shaft only from one side and a pressing member 13 such that the amount of eccentricity of the vibration generating shaft is nullified.

REFERENCES:
patent: 5618133 (1997-04-01), Mitsui et al.

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