Patent ID: 6088173
Filing Date: 2000-07-11
Classification: G02B

Abstract:
An adjustable magnifier structure mountable on various lamp stands, being comprised of a magnifier, an adjustable post, an extensible rod and a clamping portion, wherein,said clamping portion is comprised of a ""C"" shaped clamping annulus and a clamping block, said clamping annulus is adapted to use alone;said extensible rod is provided on the two ends thereof with said magnifier and said adjustable post, said adjustable post is slipped in said clamping portion, by selecting a clamping annulus and a clamping block to slip over said adjustable post, a magnifier is adapted to rotating to any desired angular position, and said extensible rod is adapted to adjusting of displacement freely, hence said adjustable post is adapted to adjusting to any position in a three-dimensional space freely, said clamping portion is connectable with various lamp posts; said adjustable magnifier structure is characterized by that:the inner peripheral wall of said clamping annulus is in the shape corresponding to the external wall of a flat style lamp post, at the opening of said clamping annulus are two connecting ends, one of them is provided with a hole, while the other connecting end is provided with an internal annular gear adapted to engaging with a crown gear;said clamping block has two symmetrically arrayed but mutually connected half-blocks, and is provided on the inner walls thereof with a plurality of semi-circular grooves which are in the shapes corresponding to the external peripheral walls of common pipe-like lamp posts of various sizes to be clamped therebetween and form clamping spaces available of fixedly clamping said pipe-like lamp posts, the external peripheral wall of said clamping block corresponds in shape to the internal peripheral wall of said clamping annulus.