Joints and connections – Interfitted members – Rotary binding cam or wedge
Patent
1983-10-17
1984-08-07
Kundrat, Andrew V.
Joints and connections
Interfitted members
Rotary binding cam or wedge
74531, B25G 300, F16D 100
Patent
active
044640781
ABSTRACT:
A locking mechanism for telescoped poles includes an eccentric cam and a roller which becomes trapped behind axially extending ribs formed on the interior of the outermost pole or on the exterior of the eccentric cam to enhance the resistance of the locking mechanism to unintended unlocking movement.
REFERENCES:
patent: 2960852 (1960-11-01), Schroter et al.
patent: 2992026 (1961-07-01), Farber
patent: 3454002 (1969-07-01), Westlake et al.
patent: 3762058 (1973-10-01), Heater
Kundrat Andrew V.
Unger Enterprises, Inc.
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