E - Fixed Constructions – 04 – B
Patent
E - Fixed Constructions
04
B
20/118
E04B 1/38 (2006.01) A63H 33/10 (2006.01) F16B 7/04 (2006.01) F16B 12/24 (2006.01)
Patent
CA 1178775
ABSTRACT The invention is concerned with a dismantable joint arrangement comprising only three groups of only two members in each group, the two members of each group being oriented as pairs of spaced-apart parallel members. The pairs of mem- bers are arranged relative to one another such that the members of each pair cross the members of the other pairs in abutting engagement therewith and any one pair of members has a respect- ive second pair of members interposed therebetween and a respective third pair of members adjoined thereto and interposed between the members of the respective second pair. At least two dowell-type coupling elements are associated with each pair for positioning the members thereof against those inter- posed therebetween. The coupling elements are removably inserted in corresponding holes formed at the crossings of the members and are slidably frictionally engaged in the holes so as to be retained therein by frictional force while being slidably removable by the application of manual force. The members of the respective third pair cooperate with the members of the one pair and the respective second pair to stabilize the relative position of those members and the coupling elements associated with the respective second pair releasably lock the members of the respective third pair in place to thereby pro- vide a rigid and secure joint for all the members. The joint arrangement of the invention may be easily dismantled by slidably removing at least one of the coupling elements associated with the respective second pair so as to release at least one of the members of the respective third pair and thereby enable the remaining members to be taken apart.
410770
Swabey Ogilvy Renault
Trudeau Luc
LandOfFree
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