Supports – Stand – Adjustable vertically
Patent
1997-08-14
1999-01-26
Braun, Leslie A.
Supports
Stand
Adjustable vertically
2481882, F16M 1100
Patent
active
058630155
ABSTRACT:
A type of "improvement on microphone stand elevating device", comprising a base stand, an outer tube, an inner tube and a fixing joint; the outer tube is installed on the base stand; the inner tube is installed on the outer tube, with its top to accommodate the microphone piece, characterized in that: a fixing joint, comprising a main body, a fixing block and a pressing lever; the main body has a through hole to enable its mounting on top of the outer tube; one side of the main body has a depressed chamber; on the depressed chamber is an open hole communicating with the through hole; a fixing block, its front end is a pushing part; said pushing part corresponds to the open hole in the depressed chamber, its front slightly extending to the through hole, so the fixing block may be fitted onto the open hole; a pressing lever, its center part is hinge joined to the center part of the depressed chamber; between the bottom part of said pressing lever and the depressed chamber is a compressed spring; so the front part of said pressing lever may push the fixing block, to fix the inner tube in the main body; so designed that the height of the microphone stand can be adjusted by pressing on the bottom part of the pressing lever.
REFERENCES:
patent: 5072910 (1991-12-01), May
patent: 5351978 (1994-10-01), Chen
patent: 5549264 (1996-08-01), West
Braun Leslie A.
Lipesik Robert
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