4. Implements or apparatus for applying pushing or pulling force
  5. Step-by-step traveling bar
  6. Pawl actuated

Alvin H. Wilkinson

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Extensible boom

Traversing hoists – Overhead – Cable
Patent

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Quick change traveling block

Implements or apparatus for applying pushing or pulling force – Step-by-step traveling bar – Pawl actuated
Patent

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Safety becket

Handling: hand and hoist-line implements – Hook – hoistline – or grab type – Locking device
Patent

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Profile ID: LFUS-PAI-P-473337

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