Expansion dowel

Details Expansion dowel Expansion dowel

1997-08-05

1999-10-12

Saether, Flemming

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

Having separate expander means

Relatively sliding wedge surfaces

411 75, 411 80, F16B 1304

Patent

active

059645580

ABSTRACT:
An expansion dowel including an expansion sleeve (2, 22) radially expandable upon being compressed and having a slot (5) extending along an entire axial length of the expansion sleeve (2, 22) and inclined toward an axis (A) of the expansion sleeve (2, 22), with a respective edge region (6, 7) of the slots extending beyond a respective end surface (8, 9) of the expansive sleeve (2, 22) in an unexpanded condition of the sleeve, and an arrangement (2, 52, 53; 51; 23, 24, 25, 26) for retaining the expansion sleeve (2, 22) in its axially compressed and radially expanded condition.

REFERENCES:
patent: 2104496 (1938-01-01), Schaefer
patent: 2648247 (1953-08-01), Schmuziger
patent: 3881393 (1975-05-01), Campbell
patent: 3951034 (1976-04-01), Chromy
patent: 4474515 (1984-10-01), Pitzer
patent: 4605350 (1986-08-01), Charter
European Search Report, Number EP 97 810 298.6 dated Aug. 26, 1997.

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