4. Joints and connections
  5. Interfitted members
  6. Rotary binding cam or wedge

Richard Mazzolla

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Positive cam lock for extension pole

Joints and connections – Interfitted members – Rotary binding cam or wedge
Patent

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Positive locking device for telescoping tubing

Joints and connections – Articulated members – Lockable at fixed position
Patent

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Profile ID: LFUS-PAI-P-1607533

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