Concrete screed adjustable stirrup
First Claim
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1. An adjustable support for screed guides, said support comprising:
- (a) a base portion disposed to be embedded in a base slab, and including an outer tubular expansion shield member and an inner expander member having a vertically extended threaded opening therein;
(b) a stud member screw threadedly received in said opening and extending upwardly from said base portion;
(c) a rigid generally U-shaped stirrup element mounted on the upper end of said stud for rotation on the axis of said stud and relative to said stud;
(d) said stud having a transverse opening therethrough, further including a pin element axially slidably received in said transverse opening for rotating said stud relative to said base portion and stirrup element, whereby to vertically move said stirrup element relative to said base portion.
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Abstract
A stirrup for supporting elongated guide bars or rods for concrete screeds or strike bars used in leveling poured concrete floors, pavement and the like. The stirrup is vertically adjustably supported by a stud screw threaded in a base portion and extending upwardly from the base portion, the base portion being disposed to be embedded in a base slab.
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Citations
1 Claim
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1. An adjustable support for screed guides, said support comprising:
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(a) a base portion disposed to be embedded in a base slab, and including an outer tubular expansion shield member and an inner expander member having a vertically extended threaded opening therein; (b) a stud member screw threadedly received in said opening and extending upwardly from said base portion; (c) a rigid generally U-shaped stirrup element mounted on the upper end of said stud for rotation on the axis of said stud and relative to said stud; (d) said stud having a transverse opening therethrough, further including a pin element axially slidably received in said transverse opening for rotating said stud relative to said base portion and stirrup element, whereby to vertically move said stirrup element relative to said base portion.
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Specification
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Current AssigneeWendell L. Henry
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Original AssigneeWendell L. Henry
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InventorsHenry, Wendell L.
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Primary Examiner(s)Faw, Jr., Price C.
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Assistant Examiner(s)Friedman, Carl D.
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Application NumberUS05/841,805Time in Patent Office530 DaysField of Search52/365, 52/367, 52/707, 52/708, 52/704, 52/126, 52/371, 52/372US Class Current52/365CPC Class CodesE04F 21/05 Supports for jointing rulersE04F 21/241 Elongated smoothing blades ...
