Framework joints

Details Framework joints Framework joints

F - Mech Eng,Light,Heat,Weapons

16

B

20/122

F16B 7/04 (2006.01)

Patent

CA 1184734

ABSTRACT A joint for connecting together two or three framework members is disclosed. In one form there are two framework members which intersect. Inside one of the members there are two arms which protrude from one end of that member. The pro- truding portion of each arm has a groove therein and a tooth beyond the groove. The grooves and teeth face away from one another. The other member has an internal cavity with a slot- like entrance to the cavity bounded by lips. When the protruding ends of the arms are close to one another, the arms can be inserted through the slot-like entrance so that the lips enter the grooves and the teeth hook behind the lips. A screw passes through one of the arms and this can be tightened to that it bears on the other of the arms to force them apart and into engagement with the lips. A resilient clip holds the other ends of the arms together and simultaneously urges said one ends apart whereby, before the screw is tightened, there is sufficient friction to hold the arms in position with respect to the lips. The arms can be substantially symmetrical in form with a tooth and groove at each end so that when the resilient clip is removed, the arms can be used for connecting two parallel members. - 1 -

411510

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