4. Motors: expansible chamber type
  5. Differential

Harvey W. Liberman

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Apparatus for loading refuse into containers

Presses – Portable receptacle lid applying – With gathering of contents
Patent

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Apparatus for transferring refuse

Presses – Reciprocating press construction – Fluid pressure actuation
Patent

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Automatic self-leveling forks

Motors: expansible chamber type – Differential
Patent

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Method for loading refuse into containers

Weighing scales – Weigher responsive material control – Feed
Patent

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Methods and apparatus for controlling an hydraulic cylinder

Motors: expansible chamber type – Independently operated timer – delay – pattern or cyclic control – Of independently movable working members
Patent

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