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1. (WO2017190178) TRESTLE

Pub. No.:    WO/2017/190178    International Application No.:    PCT/AU2017/000099
Publication Date: Fri Nov 10 00:59:59 CET 2017 International Filing Date: Thu May 04 01:59:59 CEST 2017
IPC: E04G 1/32
B25H 1/06
Applicants: SALISBURY, David, Roger, Nelson
Inventors: SALISBURY, David, Roger, Nelson
Title: TRESTLE
Abstract:
A trestle (10) for supporting a temporary platform (5) including a centre frame ((20)) and at least two side frames (40) adapted to be spaced in a standing position relative to each other with the centre frame (20) interposed there between, each side frame (40) adapted to support a substantially upstanding member (42) and having at least two ground-contacting supports (50) or at least one ground contacting support (50) adapted to support the side frame (40) at spaced ground-contacting points (50), the centre frame (20) having a pair of spaced members (24a, b) each adapted to align substantially upright and to align with the upstanding members (42) of the side frames (40), each spaced upright centre frame member (24a,b) adapted to engage one of the upstanding side frame members (42), wherein the engagement of the upstanding side frame members (42) with the upright centre frame members (24a,b) includes: a spaced pair of sets of lugs (62), in which the one or more lugs (60) of each set are arranged in series; and a spaced pair of sets of recesses (72), in which the one or more recesses (70) of each set are arranged in series, each set of lugs (62) being adapted to engage with a corresponding one of the sets of recesses (72), whereby the centre frame (20) relative to the side frames (40) can be set at any one of a variety of incremental and different positions to vary the height of the platform (5).