Machine element or mechanism – Mechanical movements – Rotary to or from reciprocating or oscillating
Patent
1977-12-29
1980-08-26
Staab, Lawrence J.
Machine element or mechanism
Mechanical movements
Rotary to or from reciprocating or oscillating
198770, B06B 116, B65G 2720
Patent
active
042189292
ABSTRACT:
A vibratory device operable as a two mass vibrating system for driving a work member as used in feeders, screens, conveyors and the like, employs a motor driven eccentric weight exciter attached to one mass which is spring coupled to a second mass with the entire device being supported by isolator springs. The spring coupling is adjustable in a generally vertical plane to vary the direction of application of the exciter forces transmitted from the first mass to the second mass to fix this direction as conditions of use call for, the second mass being vibrated with the work member forming a part of such second mass to perform the work produced by the vibratory device in driving the work member. A D.C. brush or brushless motor is particularly useful to drive the exciter for driving relatively small work members to achieve ease of changing the rotative speed of the eccentric weight exciter as conditions dictate.
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Staab Lawrence J.
Syn-Energy, Inc.
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