Expanding plastic fastener

Details Expanding plastic fastener Expanding plastic fastener

1988-10-19

1989-11-07

Wilson, Neill R.

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

Having separate expander means

Including sleeve and distinct tapered expander

411 41, 411 59, F16B 1304, F16B 1306

Patent

active

048787914

ABSTRACT:
A coupler for coupling together plates includes a male member having a head and a pin-like portion having male threads and depending from the lower surface of the head and a female member having a flange facing the head of the male member, a leg portion depending from the lower end of the flange and a bore extending from the upper surface of the flange into the leg portion and capable of receiving the pin-like portion of the male member. An upper portion of the inner periphery of the bore is provided with a helical ridge.

REFERENCES:
patent: 4311421 (1982-01-01), Okada et al.
patent: 4367995 (1983-01-01), Mizusawa et al.
patent: 4391559 (1983-07-01), Mizusawa
patent: 4478545 (1984-10-01), Mizusawa et al.
patent: 4610587 (1986-09-01), Wollar et al.

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