Joints and connections – Laterally related members connected by latch means – e.g.,...
Patent
1985-05-20
1986-10-28
Kundrat, Andrew V.
Joints and connections
Laterally related members connected by latch means, e.g.,...
403246, 182179, E04G 700, F16B 700
Patent
active
046195416
DESCRIPTION:
BRIEF SUMMARY
This invention relates to builders scaffolding of the kind which comprises an upright member, a cross member and connecting means for detachably connecting the upright member and cross member together, wherein the connecting means comprises a socket mounted on the exterior of the upright member the socket being open at each of its two opposite ends which are spaced apart along the length of the upright member, the connecting means further comprising connector means provided at or near one end of the cross member and including two limbs which in the operative position are spaced apart vertically to permit of the upright member socket being received therebetween, each limb having an abutment face adapted to abut against the upright member, each limb further being provided with an opening which receives a wedge clamping member forming part of the connecting means, the arrangement being such that in connecting the cross member to the upright member the two limbs of the connector means are disposed vertically spaced apart and straddle the socket with the wedge clamping member extending through the two open ends of the socket in pressure engagement with an edge of the opening of each of the two limbs which is nearest to the upright member and also with an internal clamping face of the socket, in such a manner that the said abutment faces of the two limbs are brought into pressure engagement with the upright member at positions above and below the socket. Such builders scaffolding is hereinafter referred to throughout this specification and claims as being of the kind specified.
An object of the present invention is to provide an improved builders scaffolding of the kind specified in combination with a brace member to form a releasably engageable builders scaffolding assembly.
In accordance with the invention there is provided a releasably engageable builders scaffolding assembly comprising builders scaffolding of the kind specified in combination with a brace member wherein the brace member is provided at or adjacent one end thereof with a spigot extending transversely of the brace member, said spigot being retained by said wedge clamping member between the connector means and an adjacent part of the socket.
Preferably in the said builders scaffolding of the kind specified in such a releasably engageable builders scaffolding assembly the abutment face of the, in use, upper limb of the connector means comprises a face of a flange depending downwardly from that portion of said upper limb having the wedge clamping member opening therein, the lowermost free edge of the flange providing a socket engaging edge which, in use, contacts the upper edge of the socket to define a space between said portion of said upper limb and the upper edge of the socket receiving the spigot of the brace member therein, the spacing between the socket engaging edge of said flange of said upper limb and the socket engaging face of the other limb of the connector means being such as to receive said socket therebetween.
The invention also provides a brace member for use with builders scaffolding of the kind specified wherein each end of the brace member is provided with a spigot extending transversely thereof, the spigot, in use, being retainable by said wedge clamping member between the connector means and an adjacent part of the socket.
The cross member of the builders scaffolding described above is conveniently constructed so that the free edge of the said flange includes a guide edge spaced upwardly of said socket engaging edge and an abutment shoulder extending between said guide edge and said socket engaging edge whereby, in use, said guide edge and abutment shoulder locate the cross member relative to a socket on the upright member when the connector means of the cross member is initially presented transversely to said socket prior to the connection of the cross member to the upright member. Conveniently the guide edge and the socket engaging edge of the flange are planar edges and are parallel to one another and said abutment shoulde
REFERENCES:
patent: 4522527 (1985-06-01), Grandpierre
GKN Kwikform Limited
Kundrat Andrew V.
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