Pull-to-set anchoring device

Details Pull-to-set anchoring device Pull-to-set anchoring device

1979-06-01

1981-09-08

Wolfe, Robert L.

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

Having separate expander means

Frangible member

411 55, 411 60, 411517, F16B 1304, F16B 3304

Patent

active

042878071

ABSTRACT:
In a pull-to-set anchoring device for cementatious material in which a nut is disposed upon one end of a stem and a head is formed on the other and a band is disposed on the stem intermediate the head and the nut, the band being arranged to slide into engagement with the cementatious material when the nut is twisted, the improvement including forming a groove on the outer surface of the head and disposing a resilient ring in the groove whereby the band is engaged and expanded to improve the holding characteristics of the device.

REFERENCES:
patent: 2877681 (1959-03-01), Brown
patent: 3277770 (1966-10-01), McCulloch
patent: 3448651 (1969-06-01), Passer
patent: 3524379 (1970-08-01), Fischer
patent: 3898907 (1975-08-01), Fischer
patent: 3967525 (1976-07-01), Lerich

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