US PATENT SUBCLASS 104 / 212
.~.~.~.~ Wedge operated
Current as of:
June, 1999
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104 /
HD
RAILWAYS
165
DF
TRACTION
{8}
173.1
DF
.~ Cable {22}
202
DF
.~.~ Grippers {19}
204
DF
.~.~.~ Automatic grip control {7}
212
.~.~.~.~ Wedge operated
DEFINITION
Classification: 104/212
(under subclass 204) Devices in which the gripping-jaws may be wedge-formed or are operated by wedges or beveled arms.