Title:
Hydraulic control valve throttling mechanism
United States Patent 2971536


Inventors:
Junck, John A.
Scheidt, James E.
Application Number:
US74472158A
Publication Date:
02/14/1961
Filing Date:
06/26/1958
Assignee:
CATERPILLAR TRACTOR CO
Primary Class:
Other Classes:
91/446, 91/466, 137/625.69, 251/21
International Classes:
F15B13/04; F16K11/07
View Patent Images:
Foreign References:
DE589937C1933-12-18