4. Excavating
  5. Cable-operated
  6. Boom-type

Andrew P. Dretzka

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Assembly and method for tooth tip retention

Excavating – Digging edge – Tooth or adaptor
Patent

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Bearing retainer assembly

Bearings – Rotary bearing – Antifriction bearing
Patent

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Bucket dump block

Excavating – Cable-operated – Scoop or bucket
Patent

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Dragline with cantilevered side-access dump block

Excavating – Cable-operated – Boom-type
Patent

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Profile ID: LFUS-PAI-P-969102

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