1975-08-07
1976-09-14
Wood, Jr., M. H.
Cutlery
F16C 2900
Patent
active
039803562
ABSTRACT:
A roller assembly including fixing means for securing the roller assembly to a bottom rail of a window sash or a door. The roller assembly has a hollow outer frame in which is provided a pair of vertical legs each having a ledge disposed in a slot formed through a side wall of the outer frame. A screw having a countersunk head in the outer frame upon clockwise rotation urges the ledges to be pressed against side panels of the bottom rail, thereby holding the roller assembly in place within the bottom rail in correct center alignment with the latter. There are also provided a pair of projections formed on the side walls of the outer frames and adapted to fit in cutaway recesses defined in the side panels of the bottom rail. Another embodiment includes a pair of indented formations drawn out of the planes of resilient plates of the outer frame and adapted to be urged away from each other by the countersunk screw head, thus pressing the outer frame plates against the side panels of the bottom rail.
REFERENCES:
patent: 3078131 (1963-02-01), Beeck
Church Gene A.
Wood, Jr. M. H.
Yoshida Kogyo Kabushiki Kaisha
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