Lock for telescoping tubular leg

Details Lock for telescoping tubular leg Lock for telescoping tubular leg

1986-07-31

1988-08-02

Reese, Randolph A.

Joints and connections

Articulated members

Lockable at fixed position

403109, 403328, 403374, 2481885, F16B 710, F16D 112

Patent

active

047610921

ABSTRACT:
A locking mechanism for a telescoping support, such as a tripod leg, which includes an outer tubular section and a slidable inner tubular section is disclosed. The locking mechanism includes a U-shaped mounting bracket conforming to the cross-sectional shape of the outer tubular section and is held against sliding movement along the outer section by lip portions bent outwardly on either side of the bracket. The bracket is further retained against separation from the outer tubular section by a camming lever pivotably mounted between the two arms of the bracket on the side of the leg section opposite the base portion of the bracket, thereby closing the opening of the bracket. The camming lever is pivotable for cammingly engaging the inner tubular section through a window opening formed in the outer tubular section, thereby to lock the two sections against telescoping movement.

REFERENCES:
patent: 2185782 (1980-01-01), Brittin
patent: 3589757 (1971-01-01), Mooney
patent: 4029279 (1977-06-01), Nakatani
patent: 4174900 (1979-11-01), Ina
patent: 4185936 (1980-01-01), Takahashi
patent: 4362415 (1982-12-01), Metz et al.
patent: 4596484 (1986-06-01), Nakatani

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