Machine element or mechanism – Mechanical movements – Rotary to or from reciprocating or oscillating
Patent
1977-04-05
1978-11-21
Wyche, Benjamin W.
Machine element or mechanism
Mechanical movements
Rotary to or from reciprocating or oscillating
366116, F16H 2116
Patent
active
041260503
ABSTRACT:
This invention relates to a vibrator which for example can be used to vibrate a tray for the purpose of conveying articles or material along the tray or alternatively can be used for vibrating articles or material where there is no requirement for conveyance in a pre-determined direction. A vibrator according to the invention has an actuator assembly which includes an actuator shaft which can rotate relative to said assembly but which is prevented from longitudinal movement relative to the assembly. The actuator shaft is connected at one end to power-actuated driving means and means are provided for displacing the actuator assembly between a position in which the axis of rotation of the driving means is co-incident with the axis of rotation of the actuator shaft so that rotation of the latter will not result in any longitudinal oscillation of the actuator shaft and actuator assembly and a position in which the axis of rotation of the actuator shaft is set in a direction in which it is inclined to the axis of rotation of the driving means so that rotation of the actuator shaft will result in longitudinal oscillation of the actuator shaft and actuator assembly.
REFERENCES:
patent: 1690901 (1928-11-01), James
patent: 1757320 (1930-05-01), Lide
patent: 3250380 (1966-05-01), Allen et al.
Melville-Smith Ronald
Ratliff, Jr. Wesley S.
Wyche Benjamin W.
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