E - Fixed Constructions – 06 – B
Patent
E - Fixed Constructions
06
B
108/67
E06B 1/70 (2006.01) E04B 1/41 (2006.01) F16B 5/02 (2006.01) F16B 37/04 (2006.01)
Patent
CA 1066562
Abstract of the Disclosure Mounting means for a threshold or the like, of the type of a channel member having its flanges extending at an acute angle to the web and having inturned margins of the free edges of the flanges is imbedded in plastic concrete in approx- imately the position of a threshold or other structure to be mounted, the set concrete retaining the mounting channel in fixed position by the dovetailed relation of the flanges in the concrete with the open top of the mounting channel substantially flush with the concrete to also serve as a screed guide for the plastic concrete; a plurality of spanner bars of channel shape and of a length greater than the spacing of the flanges of the mounting channel are provided with slots which extend the full distance between the free edges of the inturned margins with a square lock nut such as the type having a nylon strip in a key- way is slidably positioned in each spanner bar channel and a mounting screw for the threshold extends through corresponding countersunk apertures in the threshold and threaded into the square lock nut. The spanner bars are attachable to the threshold with the screws and nuts an arranged substantially longitudinally along the threshold; the threshold is then placed in position with the spanner bars falling into the mount- ing channel cavity and the threshold is accurately positioned for cooperation with the door with which it is used and the machine screws are turned with a screw driver causing the span- ner bars to first rotate with the lock nut until rotation of the spanner bars is stopped when the ends of the spanner bars underly the inturned margins by engagement with the flanges of the mounting channel, each nut sliding in the spanner bar to the correct position corresponding with the selected accurate posi- tion desired for the threshold and further tightening of the machine screws clamp the threshold permanently in place, the threshold being removable by rotating the screws in the opposite direction.
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