Expansion dowel

Details Expansion dowel Expansion dowel

1977-12-13

1979-04-03

Shedd, Wayne L.

Joints and connections

Distinct end coupler

Interrupted periphery, e.g., split or segmental, etc.

403297, 403344, 403406, 52585, 85 85, 405259, F16B 204, F16B 1312

Patent

active

041474449

ABSTRACT:
An expansion dowel includes a cylindrically shaped axially extending sleeve and a spreader for expanding the sleeve. The sleeve has a leading end and a trailing end and at least one axially extending slot formed in the sleeve. For at least a portion of its length, the slot has oppositely arranged sides converging in the direction of the leading end of the sleeve. The spreader fits into the part of the slot with the converging sides and has complementary converging sides to those in the slot. The spreader includes an impact piece against which impact force can be applied for axially displacing the spreader through the slot and expanding the sleeve.

REFERENCES:
patent: 3157417 (1964-11-01), Ruskin
patent: 3313199 (1967-04-01), Houvener et al.
patent: 3461772 (1969-08-01), Barry
patent: 3996835 (1976-12-01), Chromy

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