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US Patent: 3,789,695
Left and Right Trip Dogs for Carrier Tracks
Patentee:
Clarence Anderson - Chicago, IL

USPTO Classifications:
74/568R

Tool Categories:
metalworking machines

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
none listed

Patent Dates:
Applied: Jul. 03, 1972
Granted: Feb. 05, 1974

Patent Pictures: [ 1 | 2 ]
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Description:
Jack E. Dominic et. al. - patent attorneys

Abstract

A universal trip dog in the sense that it may be mounted to either the right or left side of a carrier track and still position a lever contact face for engaging a trip lever during relative movement between the carrier and the trip lever. The dog is preferably in the configuration of a truncated pyramid in which the angular sides correspond to two trip contact faces, one of the sides having locking keys which flank a mounting passageway through the body of the trip dog. The locking keys have top and bottom rectilinear sides so that such keys can be inserted into a track or groove which is either on the right or left side of a carrier. The same side of the trip dog is abutted against the carrier, but said trip dog is simply rotated 180.degree. so that one contact face is always correctly oriented for actuating a trip lever during relative movement.

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