4. Implements or apparatus for applying pushing or pulling force
  5. Screw
  6. Geared

Richard S. Graafsma

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Powdered metal gear for screw jack

Machine element or mechanism – Gearing – Directly cooperating gears
Patent

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Screw jack

Implements or apparatus for applying pushing or pulling force – Screw – Geared
Patent

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Snubber for one end lift jacks

Implements or apparatus for applying pushing or pulling force – Hoisting truck – Platform type
Patent

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Tiltable jack

Implements or apparatus for applying pushing or pulling force – Screw – Special engaging feature
Patent

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Profile ID: LFUS-PAI-P-438218

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