Attachment assembly with anchor bolt and expansion wedge

Details Attachment assembly with anchor bolt and expansion wedge Attachment assembly with anchor bolt and expansion wedge

1996-05-13

1997-07-29

Wilson, Neill R.

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

Having separate expander means

Relatively sliding wedge surfaces

411 79, 411358, F16B 1304, F16B 1500

Patent

active

056516509

ABSTRACT:
An attachment assembly formed of an anchor bolt (1) and an expansion wedge (2) with the anchor bolt having an outside surface (4) at its leading end in the setting direction and widening in a wedge-like manner. The expansion wedge (2) can be displaced axially along the wedge-like outside surface (4) for effecting expansion of the attachment assembly. At its trailing end (6), the anchor bolt (1) has a flange-like engagement part (5) for applying a load to a receiving material into which the attachment assembly is expanded. The engagement part (5) has a throughbore (3) through which the expansion wedge (2) extends and is secured in a preassembled state. The expansion wedge (2) has a trailing end section (14) extending rearwardly from the engagement part (5) in the preassembled state so that in the expanded state the expansion wedge is held in a press fit in the throughbore (3).

REFERENCES:
patent: 2748594 (1956-06-01), Edwards
patent: 4275637 (1981-06-01), Herb et al.
patent: 4312615 (1982-01-01), Herb
patent: 4892450 (1990-01-01), Gerhard
patent: 5529424 (1996-06-01), Neubert et al.

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