Steel beam coupling device

Details Steel beam coupling device Steel beam coupling device

2006-01-31

2006-01-31

Stodola, Daniel P. (Department: 3679)

Joints and connections

Interfitted members

Including separably interposed key

C403S187000, C403S230000, C403S256000, C403S315000, C403S319000, C403S374100, C403S409100

Reexamination Certificate

active

06991399

ABSTRACT:
A coupling device for connecting members, including: a coupling case that has a plurality of connecting slots which respectively receive the members; and wedges that are inserted into the spaces between the coupling case and each of the members perpendicularly to the direction of external pressure given to each of the members. Each of the wedges have one side and another side out of at least a couple of slope sides contacting the coupling case in opposite directions and have a higher coefficient of friction on a bottom side surface that touches one of the members than on the slope side surface that touches the coupling case.

REFERENCES:
patent: 2562483 (1951-07-01), Bender
patent: 2627431 (1953-02-01), Sechrist
patent: 3685866 (1972-08-01), Patenaude
patent: 3734549 (1973-05-01), Loov
patent: 3938297 (1976-02-01), Sato et al.
patent: 5061111 (1991-10-01), Hosokawa

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