Supports – Stand and bracket – Having adjustable bracket
Patent
1989-04-06
1990-06-19
Ramirez, Ramon O.
Supports
Stand and bracket
Having adjustable bracket
248156, 248286, 248287, 2492191, 269 71, 269 76, 269 79, 269206, A47G 2900
Patent
active
049346431
ABSTRACT:
An improved adjustable holder for a screed rail for mounting the rail above the ground so as to eliminate the need for concrete pads which are presently used to support such a screed rail on the ground. The holder includes an upright stake or post having a sleeve adjustably mounted on the post for movement along the post. A bar extends laterally from the sleeve and is coupled thereto by a pivot pin so that the angle of the bar relative to the ground can be adjusted. Once adjusted, the bar is fixedly held in place by a clamping structure including a curved, slotted arm pivotally mounted at one end thereof and coupled near the opposite end to the bar. Slidable members are on the bar for holding the side flanges of the screed rail in place on the bar at the proper positions. Thus, the holder of the present invention has three degrees of freedom, namely vertical movement of the sleeve, pivotal movement of the bar in a vertical plane, and linear movement of the flange holding members on the bar.
REFERENCES:
patent: 3043587 (1962-07-01), Underhill
patent: 3185422 (1965-05-01), Spindler
patent: 3545710 (1970-12-01), Mooney
patent: 3929309 (1975-12-01), DeVore
patent: 4065085 (1977-12-01), Gellatly
patent: 4234155 (1980-11-01), Destree
patent: 4659054 (1987-04-01), Allen
patent: 4671477 (1987-06-01), Cullen
patent: 4742825 (1988-05-01), Freund et al.
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