Buckles – buttons – clasps – etc. – Independent – headed – aperture pass-through fastener
Patent
1998-02-24
1999-06-01
Knight, Anthony
Buckles, buttons, clasps, etc.
Independent, headed, aperture pass-through fastener
411510, 411913, 24297, F16B 1900, A44B 1700
Patent
active
059078910
ABSTRACT:
The tree fastener includes a shank, a head and wings on first and second opposed sides of the shank. The wings are split along the tool parting line into wing portions which extend from the shank at different angles so that the spacing between wing portions is one half the distance between successive wings. Additionally, the wing portions are diagonally paired so that wing portions on a first opposed side of the shank and a first side of the tool parting line extend from the shank at the same angle as wing portions on a second opposed side of the shank and a second side of the tool parting line. Likewise, wing portions on a second side of the shank and a first side of the tool parting line extend from the shank at the same angle as wing portions on a first side of the shank and a second side of the tool parting line.
REFERENCES:
patent: 2909957 (1959-10-01), Rapata
patent: 4392278 (1983-07-01), Mugglestone
patent: 4402641 (1983-09-01), Arff
patent: 4427328 (1984-01-01), Kojima
patent: 4551189 (1985-11-01), Peterson
patent: 4728238 (1988-03-01), Chisholm et al.
patent: 4776739 (1988-10-01), Hamman
patent: 4902182 (1990-02-01), Lewis
patent: 4938645 (1990-07-01), Wollar
patent: 5039267 (1991-08-01), Wollar
patent: 5306098 (1994-04-01), Lewis
patent: 5393185 (1995-02-01), Duffy, Jr.
patent: 5468108 (1995-11-01), Sullivan et al.
patent: 5718025 (1998-02-01), Courtin
Illinois Tool Works Inc.
Knight Anthony
Sandy Robert J.
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