Apparatus for use in buildings
AssigneeAcrow (Engineers) Limited
InventorJack R. Tooley
Life of this patent
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Abstract
An attachment for a builder's prop, scaffold pole of the like comprising a stem screw-threaded along at least a portion of its length and provided at one end with a top bearer plate, an intermediate bearer plate being mounted on a tubular sleeve which is slidable along the stem and adjustably positionable thereon by means of a nut engaging the screw thread, means being provided for preventing rotation of the sleeve around the stem as the nut is rotated to alter the position of the sleeve along the length of the stem.
Claims7
An attachment for a builder' s prop, said attachment being adapted to support at least one shuttering element of the type used with concrete formwork, said attachment comprising
- a stem having a top bearer plate fixed to the top end thereof and having screw threads provided on a portion thereof,said stem being connectable to said prop,
- a tubular sleeve having an intermediate bearer plate fixed thereto, said tubular sleeve being slidable relative to and coaxially disposed with said stem, and said intermediate bearer plate being adapted to support said shuttering element,
- nut means threadably engaged with the threaded portion of said stem, said tubular sleeve being received in seated relation on said nut means so that rotation of said nut means adjustably positions said tubular sleeve longitudinally of said stem, and
- a pin mounted on one of said stem and said sleeve, and a longitudinal slot defined in the other of said stem and said sleeve, said pin and said slot cooperating to prevent rotation of said sleeve relative to said stem as said sleeve is longitudinally repositioned relative to said stem by use of said nut means.
Dependencies are inferred from the claim text.