4. Fire escape, ladder, or scaffold
  5. Means maintaining platform level on angularly movable support
  6. Swingable support

Frank D. Freudenthal

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Load measuring apparatus for aerial booms and jibs

Traversing hoists – Having random condition sensor combined with an indicator or... – Means determining overloading produced by load
Patent

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Platform rotating mechanism for aerial devices

Fire escape – ladder – or scaffold – Means maintaining platform level on angularly movable support – Swingable support
Patent

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Side load protection arrangement for rotating equipment

Tool driving or impacting – With means to adjust position of axis of tool advance – Adjustment powered by motor or mechanism
Patent

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Profile ID: LFUS-PAI-P-80225

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