Miscellaneous hardware (e.g. – bushing – carpet fastener – caster – Closure checks – Spring
Reexamination Certificate
2005-08-23
2005-08-23
Mah, Chuck (Department: 3676)
Miscellaneous hardware (e.g., bushing, carpet fastener, caster,
Closure checks
Spring
C016S065000, C016S084000, C016S377000
Reexamination Certificate
active
06931693
ABSTRACT:
A damper mechanism installed on an opening and closing device that has an arcuate plunger with the same radius of curvature of the cylinder it slidably mates with. A torsion coil spring causes the sliding action of the plunger into the cylinder in one direction.
REFERENCES:
patent: 266795 (1882-10-01), Elliot
patent: 942656 (1909-12-01), Moore
patent: 1254024 (1918-01-01), Bryan
patent: 1344538 (1920-06-01), Kaufman
patent: 1678817 (1928-07-01), Kingman
patent: 1965806 (1934-07-01), Riggins
patent: 2841813 (1958-07-01), Falk
patent: 4524438 (1985-06-01), Einhaus
patent: 4760621 (1988-08-01), Stromquist
patent: 6321412 (2001-11-01), Duco
patent: 650925 (1951-03-01), None
patent: 838094 (1960-06-01), None
E. I. du Pont de Nemours and Company
Kyle Michael J.
Mah Chuck
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