Expanding load shoulder

Details Expanding load shoulder Expanding load shoulder

1992-06-03

1993-05-11

Arola, Dave W.

Pipe joints or couplings

Frangible element

2851332, 285141, F16L 3500

Patent

active

052095215

ABSTRACT:
A self-actuating, releasable weight support system includes a structural support member with a central bore therethrough. The bore has a recessed load support surface therein and a no-go shoulder on the inner periphery of the load support surface. A weight support member is insertable within the bore, and includes an expandable load ring disposed thereon for landing on the no-go shoulder and expanding onto the load support surface as the weight support member is inserted further into the bore.

REFERENCES:
patent: 2086431 (1937-07-01), Penick et al.
patent: 2328840 (1943-09-01), O'Leary
patent: 4528738 (1985-07-01), Galle, Jr.
patent: 4550782 (1985-11-01), Lawson
patent: 4641708 (1987-02-01), Wightman
patent: 4651830 (1987-03-01), Crotwell

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