Fastening device for panels or the like

Details Fastening device for panels or the like Fastening device for panels or the like

1982-09-14

1984-10-23

Holko, Thomas J.

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

Having separate expander means

Including sleeve and distinct tapered expander

411 60, 411182, 411437, 411908, F16B 1306

Patent

active

044785453

ABSTRACT:
A fastening device of synthetic resin comprises a male member provided on its shaft portion with screw threads and a female member having at least one pitch of spiral thread on the inside surface of the bore thereof. A plurality of apertured panels are positively fastened face to face by inserting the leg of the female member into apertures of the panels and subsequently, forcing the shaft portion of the male member into the bore of the female member. The panels thus fastened can be separated by rotating the male member so as to threadably extract the male member from the female member.

REFERENCES:
patent: 2333277 (1943-11-01), Swank
patent: 2393606 (1946-01-01), Brush
patent: 2788047 (1957-04-01), Rapata
patent: 2871749 (1959-02-01), Kalb
patent: 3099931 (1963-08-01), Ferdinand
patent: 3182544 (1965-05-01), Rapata
patent: 3345899 (1967-10-01), Fiddler
patent: 3495494 (1970-02-01), Scott
patent: 3613497 (1971-10-01), Heldermann
patent: 3918130 (1975-11-01), Poe
patent: 3937122 (1976-02-01), Riedel
patent: 4083289 (1978-04-01), Erickson

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