Joint structure for pillars and its joining method

Details Joint structure for pillars and its joining method Joint structure for pillars and its joining method

1994-04-07

1996-11-26

Knight, Anthony

Joints and connections

Including ancillary means blocking disconnection of joint

Blocker for assembled joint retainer

403341, 403293, 403371, 527261, 285421, E04C 330, F16B 214

Patent

active

055778577

ABSTRACT:
End plates are forcibly fixed on the longitudinal end surfaces of pillars such as foundation piles buried in the ground. The upper and lower end plates are butted, and are vertically held by a circumferential recessed groove on the inner surface of an inside ring which is divided in a plurality of parts in the circumferential direction. The inside ring is provided with a conical taper around the outside diameter surface. The conical taper is fastened by an outside ring externally fitted around the outside diameter surface of the inside ring, to join the pillars to each other. This joint structure is simple, and makes it possible to certainly join the pillars at the job site, without any welding. Moreover, there can be provided a tough joint structure against bending.

REFERENCES:
patent: 969943 (1910-09-01), Cronholm
patent: 3460300 (1969-08-01), Howlett
patent: 3931716 (1976-01-01), Payne
patent: 4159132 (1979-06-01), Hitz
patent: 4504174 (1985-03-01), Barthel
patent: 4684156 (1987-08-01), Rhodes
patent: 4958961 (1990-09-01), Herbst et al.
patent: 5012622 (1991-05-01), Sato et al.
patent: 5232249 (1993-08-01), Kolvereid

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