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US2959974A
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Forward and reverse friction drive tapping attachment
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US2832224A
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Lead screw tapping unit
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US2790646A
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Flexible drive multiple chuck heads
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US2767991A
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Tap collets
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US2778238A
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Sealed forward and reverse drive for a tapper
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US2749264A
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Method of bonding friction facings to conical cups
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US2809533A
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Reversing drive for lead screw tapping units
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US2729834A
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Multiple clutch forward and reverse drive unit for tapping machine
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US2706549A
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Air cooled clutch element for tapping attachments
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US2660068A
|
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Forward and reverse belt drive for tapping attachments
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US2662774A
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Jaw control for chuck devices
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US2535490A
|
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Automatic electric index fixture
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US2589486A
|
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Indexing mechanism
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US2613786A
|
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Air-cooled tapping attachment
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US2551659A
|
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Gearing for variable multiple heads
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US2551658A
|
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Combination fixed and adjustable multiple device
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US2578995A
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Tapping machine
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US2589485A
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Variable multiple head
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