Concealed interlocking fastener

Details Concealed interlocking fastener Concealed interlocking fastener

1980-06-09

1983-09-06

Holko, Thomas J.

Buckles, buttons, clasps, etc.

Bale and package ties, hose clamps

With tighteners

411403, A44B 1700

Patent

active

044021160

ABSTRACT:
A concealed and joint forming fastener structure in which two screws with differing but telescopically interrelated heads are pressed together allowing the planes of the structural elements to which the screws are attached to come together flushly and with one screw head projecting into a recess in the other screw head and one of said screws located in a recess or socket in one of the structural elements.

REFERENCES:
patent: 308246 (1884-11-01), Frearson
patent: 1149141 (1915-08-01), Hook
patent: 2767005 (1956-10-01), Jorgensen
patent: 3086803 (1963-04-01), Wilson
patent: 3601776 (1971-08-01), Curl
patent: 3741594 (1973-06-01), Ostling
patent: 4169308 (1979-10-01), Minogue

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