Machine element or mechanism – Elements – Cams
Patent
1995-11-21
1997-02-18
Luong, Vinh T.
Machine element or mechanism
Elements
Cams
74 56, 74 58, 74567, 123 905, 298881, F16H 2512, F16H 5300
Patent
active
056032455
ABSTRACT:
A structural component (21) is moved axially back and forth with the aid of a closed cam (40A) arranged on a rotating cam carrier (33) for mechanically entraining cam follower rollers carried by the structural component. At least one roller (26) of a pair of rollers contacts one cam surface of said closed cam with a controlled contact force. For this purpose the contact force between the cam follower rollers and the respective cam surface is varied during one cam revolution in such a way that in an angular range (41) of the reversing point (O.T., U.T.) the contact force of at least one cam follower roller that transmits the motion in the respective direction, is increased to such an extent that this force corresponds at least to the inertia force resulting from the brake application or acceleration of the component to be moved. Outside of the angular range (41) the cam follower rollers (26, 27) are kept in contact with the cam surfaces with a minimal force.
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Mostert Johann
Walczak Bruno
Fasse W. F.
Fasse W. G.
Luong Vinh T.
Schumag Aktiengesellschaft
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