Hard metal screw joint connection between soft metal members

Details Hard metal screw joint connection between soft metal members Hard metal screw joint connection between soft metal members

1987-05-06

1989-05-02

Kundrat, Andrew V.

Joints and connections

Rod to member to side, e.g., plate, rod side, etc.

Unilateral of side

403245, 248188, 108156, F16B 708

Patent

active

048263435

ABSTRACT:
Shank portions (32, 34) of a bolt (28) fit through an opening (22) in a base member (14). A bolt head (30) fits within a shallow socket (24) in a first side of the base member (14). The first side (18) of the base member (14) is placed against a support member (12) and is welded in place (16). The tubular end (48) of a post member (10) is moved endwise into an trepan groove (26) as the post (10) is rotated to first make and then tighten a screw connection (34, 40) between an insert (38) in the post member (10) and a threaded portion (34) of the bolt (28). The bolt (28) and insert (38) are made from a hard metal. The base member (14), the suppport member (12) and the post member (10) are constructed from a soft metal.

REFERENCES:
patent: 1884491 (1932-10-01), Ziemann
patent: 2730419 (1956-01-01), Watrous
patent: 2809876 (1957-10-01), Huff
patent: 3506227 (1970-04-01), Jenkins
patent: 4074941 (1978-02-01), Jablonski

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