Curtain and window hardware having threaded engagement members

Details Curtain and window hardware having threaded engagement members Curtain and window hardware having threaded engagement members

1988-08-02

1990-06-26

Wilson, Neill R.

Expanded, threaded, driven, headed, tool-deformed, or locked-thr

Externally threaded fastener element, e.g., bolt, screw, etc.

Head driving structure

411919, 248268, F16B 2300

Patent

active

049367285

ABSTRACT:
A window shade holder which has a slot member and an aperture member. Both the aperture member and the slot member may be formed with solid body portions from which an integral screw extends. The aperture member and the slot member may also be formed with hollow body portions which utilize a bridge element from which an integral screw extends.

REFERENCES:
patent: 327378 (1885-09-01), Brouner
patent: 926399 (1909-06-01), Fleming
patent: 1291850 (1919-01-01), Grigsby
patent: 1332794 (1920-03-01), Boland

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