B - Operations – Transporting – 25 – J
Patent
B - Operations, Transporting
25
J
26/145
B25J 9/00 (2006.01)
Patent
CA 1121581
47,818 REMOTELY CONTROLLED TOOL POSITIONING TABLE ABSTRACT OF THE DISCLOSURE An accurately indexed rotatable tool positioning table for use with inspection and repair apparatus remotely disposed within the channel head of a steam generator is shown. The table is automatically rotated by a motor to predetermined positions and an angular position resolving mechanism in engagement therewith provides an output signal responsive to the angular movement for accurate position determination and control. An indexing pin is received in an indexing bushing in the plate to insure accurate, repeat- able positioning of the plate, and switch means are asso- ciated therewith and operatively, connected to the tool energizing circuit to prevent operation of any tool until the indexing pin is properly seated in the bushing and to prevent the positioning motor actuation until the pin is fully withdrawn from the bushing.
338795
Gerkey Kenneth S.
Smith Edward H.
Mcconnell And Fox
Westinghouse Electric Corporation
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