US 12,252,848 B2
Safety device
Andre Leroux, Ivanhoe North (AU)
Appl. No. 17/593,005
Filed by Andre Leroux, Ivanhoe North (AU)
PCT Filed Mar. 5, 2020, PCT No. PCT/AU2020/050205
§ 371(c)(1), (2) Date Sep. 3, 2021,
PCT Pub. No. WO2020/176943, PCT Pub. Date Sep. 10, 2020.
Claims priority of application No. 2019900713 (AU), filed on Mar. 5, 2019.
Prior Publication US 2022/0178087 A1, Jun. 9, 2022
Int. Cl. E01C 11/24 (2006.01); E04C 2/42 (2006.01); E04F 15/02 (2006.01); E04F 15/06 (2006.01); E04F 15/10 (2006.01); E01C 9/10 (2006.01); E01C 17/00 (2006.01)
CPC E01C 11/24 (2013.01) [E04C 2/42 (2013.01); E04F 15/02172 (2013.01); E04F 15/02183 (2013.01); E04F 15/06 (2013.01); E04F 15/105 (2013.01); E01C 9/10 (2013.01); E01C 17/00 (2013.01); E04F 2290/00 (2013.01)] 24 Claims
OG exemplary drawing
 
1. An attachment device for attachment to a pathway comprising a body having:
a top surface for receiving foot traffic thereon;
at least one point of flexure; and
at least one arm extending from the point of flexure with the arm moveable about the point of flexure, the at least one arm configured to engage the pathway or a structural member of the pathway, wherein when engaged, the at least one arm secures the device to the pathway, wherein engagement of the at least one arm results in the device being compressively secured to the pathway in between two component members of the pathway,
the device is dimensioned to sit across the width of a single bearing bar of a surface grating, and
wherein the arms engage with cross bars at either side of the single bearing bar.