Joints and connections – With adjunctive protector – broken parts retainer – repair,... – Tool-engaging or accommodating means or with tool
Patent
1978-08-02
1979-10-09
Kundrat, Andrew V.
Joints and connections
With adjunctive protector, broken parts retainer, repair,...
Tool-engaging or accommodating means or with tool
403292, 402316, 403329, E04C 106
Patent
active
041704304
ABSTRACT:
A device for fastening a pair of structural pieces in face to face relationship which has a pair of conical socket members adapted to be secured to each of the pieces and opening out of respective faces thereof for rotatably accepting opposite end portions of a dowel which has a pair of diametrically opposed longitudinally extending flat portions terminating in abutement faces which are engaged by free ends of a spring leaf detent outer ends of which are secured to the socket members near the open ends thereof, the dowel having a notched central flange which can be gripped by a tool extended between the pieces for rotating the dowel so as to move the abutment faces out of and into registration with the detents.
REFERENCES:
patent: 3276172 (1966-10-01), Alvden
patent: 3339954 (1967-09-01), Alvden
patent: 3567260 (1971-03-01), Norris
patent: 3760547 (1973-09-01), Brenneman
patent: 4098555 (1978-07-01), Vollenweider
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