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US4234834A
|
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D.C. Motor directional control
|
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CA1038659A
|
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Clamping device for welding seamer
|
|
US3970295A
|
|
Pipe fitting locator apparatus
|
|
US3963231A
|
|
Pipe positioning, rotating and fitting apparatus for welding
|
|
CA1004448A
|
|
Self-centering chuck mechanism
|
|
CA1002352A
|
|
Combined headstock, turntable, rotating driver and positioner
|
|
US3938797A
|
|
Clamping device for welding seamer
|
|
US3841647A
|
|
Self-centering chuck mechanism
|
|
US3750844A
|
|
Ladder assembly
|
|
US3802277A
|
|
Combined headstock, turntable, rotating driver and positioner
|
|
US3839965A
|
|
Turntable
|
|
US3670139A
|
|
Welding head
|
|
DE1921270A1
|
|
Rotary roller work-piece jig
|
|
GB1240384A
|
|
Turning roll assembly
|
|
GB1183792A
|
|
Self-Centering Workholder Mechanism.
|
|
US3461738A
|
|
Gear and method of manufacture
|
|
US3543989A
|
|
Manipulator for welding or cutting apparatus
|
|
US3472342A
|
|
Safety hoist in a manipulator and method of counterbalancing
|
|
US3514090A
|
|
Workpiece positioner
|
|
US3430944A
|
|
Head and tailstock manipulator
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