4. Chucks or sockets
  5. Expanding
  6. Collet type

Robert D. Elkin

Inventor

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Apparatus to remove rings from telephone hand set

Metal working – Means to assemble or disassemble – By rotation of work part
Patent

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Nipple chuck

Chucks or sockets – Expanding – Collet type
Patent

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Pipe grooving apparatus

Metal deforming – By use of tool acting during relative rotation between tool... – During rotation of work
Patent

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Pneumatic impact tool

Tool driving or impacting – Impacting devices – Impact transmitting anvil
Patent

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Variable speed inlet control valve

Tool driving or impacting – Passage in manipulating handle for drive motor motive fluid – Motive fluid control valve in handle passage
Patent

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Profile ID: LFUS-PAI-P-476298

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