Mechanically lockable universal joint and structures...

Joints and connections – Articulated members – Lockable at fixed position

Reexamination Certificate

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C403S103000, C403S298000, C403S359100, C403S359500, C248S125100, C248S276100

Reexamination Certificate

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07367740

ABSTRACT:
An adjustable support stand for an article such as a camera employs a plurality of elongated links connected to one another at their ends by lockable universal joints. Each joint consists of a pair of complementary knuckles, each joined to a link end by a splined connection, which connections provide two axes of rotation to the joint. The knuckles are joined to one another about a third axis of rotation, perpendicular to the first two axes by means of a splined pin which passes through splined holes in the two knuckles. The splined connections employ splines of different count to achieve a high resolution of possible positions.

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