Supports – Stand and bracket – Having adjustable bracket
Patent
1993-12-23
1995-09-12
Chotkowski, Karen J.
Supports
Stand and bracket
Having adjustable bracket
248538, 2481259, 403110, 403 53, 403 61, F16M 1300
Patent
active
054491380
ABSTRACT:
The present invention is convertible boom stands useful for supporting lights, microphones and the like in a range of angles from the vertical. The stand can convert from a vertical stand which can support objects above the floor between a range of heights, to a boom stand which can also support the objects between a range of angles from the vertical. The convertible stand comprises a tubular member having an end portion with an opening and a longitudinal axis, legs mounted to the tubular member for supporting the tubular member in a substantially vertical orientation, an elongated arm configured to fit within the tubular member, the opening at the end of the tubular member being dimensioned to permit the arm to enter and exit the tubular member, a tilt mechanism for connecting the arm to the tubular member comprising a clevis attached adjacent the open end of the tubular member and a collar pivotally attached to the clevis, the collar having a central opening for retaining the arm therein, the collar pivotally movable between a vertical position wherein the opining of the collar and the opening of the tubular member are aligned and the arm can pass into and out of the tubular member and a tilted position wherein the arm is at an angle from the axis of the tubular member, the clevis having a lock for releasably locking the collar relative to the clevis, and the collar having a lock for releasably locking the arm in the collar, the clevis having a sloping concave face on a portion thereof adjacent to the opening of the tubular member, the sloping face positioned and configured to receive the arm and position the arm adjacent the tubular member when the collar is in its tilted position.
REFERENCES:
patent: 1282676 (1918-10-01), Carlin
patent: 1430827 (1922-10-01), Moeckel
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patent: 3783262 (1974-01-01), Pile
patent: 4047684 (1977-09-01), Kobayashi
patent: 4919368 (1990-04-01), Garrett
patent: 5058842 (1991-10-01), Zemlin et al.
patent: 5320322 (1994-06-01), Williams
Manfrotto Catalogue.
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