Locking mechanism for an extension pole

Details Locking mechanism for an extension pole Locking mechanism for an extension pole

B - Operations, Transporting

25

G

B25G 1/04 (2006.01) B05C 17/02 (2006.01) F16B 7/10 (2006.01)

Patent

CA 2543389

An improved extension pole (20) is provided having relatively shiftable outer and inner bodies (24, 26) with a manually operable locking mechanism (28). The mechanism (28) includes a stationary component (44) secured to outer body (24), with a bidirectionally rotatable component (46) supported on the component (44). The rotatable component (46) has a projecting locking segment (60) disposed about the inner body (24), with the segment (60) being offset. When the mechanism (28) is in its unlocked condition, the centerline of the segment (60) is substantially coincident with the centerlines of the inner and outer bodies (24, 26), thereby permitting free reciprocation of body (26); upon rotation of the component (46), the locking segment (60) comes into direct, frictional, locking engagement with the inner body (26) along a contact arc (68).

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