Small handling pole locking assembly

Details Small handling pole locking assembly Small handling pole locking assembly

2011-08-30

2011-08-30

MacArthur, Victor (Department: 3679)

Joints and connections

Articulated members

Lockable at fixed position

C403S166000, C403S304000, C403S353000, C403S378000

Reexamination Certificate

active

08007196

ABSTRACT:
In various embodiments, the system includes a tubular female end portion of the first pole section and a male end portion of the second pole section that is insertable into the female end portion. Additionally, the system includes a locking nut including a body portion and a neck portion and is threadingly engaged with the male end portion. Furthermore, the system includes a biased locking sleeve assembly that includes a locking sleeve having an internal cavity such that the locking sleeve fits over the locking nut neck portion, and a biasing device located within the interior cavity of the locking sleeve for applying opposing forces to the locking nut and the locking sleeve.

REFERENCES:
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patent: 2328988 (1943-09-01), Martin
patent: 2448548 (1948-09-01), Purdy
patent: 2527256 (1950-10-01), Jackson
patent: 2690542 (1954-09-01), Pearce et al.
patent: 3721032 (1973-03-01), Shum et al.
patent: 3945744 (1976-03-01), Metz
patent: 4943182 (1990-07-01), Hoblingre
patent: 5002418 (1991-03-01), McCown et al.
patent: 6007268 (1999-12-01), Whittington et al.
patent: 6126359 (2000-10-01), Dittrich et al.

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