Miscellaneous hardware (e.g. – bushing – carpet fastener – caster – Checks and closers – Liquid
Reexamination Certificate
2005-08-02
2005-08-02
Mah, Chuck Y. (Department: 3676)
Miscellaneous hardware (e.g., bushing, carpet fastener, caster,
Checks and closers
Liquid
C016S050000, C016S307000, C016S342000
Reexamination Certificate
active
06922869
ABSTRACT:
A damper apparatus is disclosed for damping movement between a first and a second element. The apparatus includes an elongate housing secured to the first element, the housing having a first and a second end. The housing defines a bore which extends between the ends of the housing. A rotor is connected to the second element, the rotor including a first and a second portion. The first portion of the rotor is rotatably disposed within the bore of the housing. A biasing device has a first and a second termination, the biasing device extending between the second portion of the rotor and the housing for rotationally biasing the rotor relative to the housing. A seal is disposed between the first and second portions of the rotor. The seal cooperates with the bore for sealing the bore relative to the second portion of the rotor such that in use of the apparatus, damping fluid sealed within the bore by the seal dampens rotational movement of the rotor relative to the bore when the rotor is rotationally biased. The arrangement is such that movement between the first and second elements is dampened.
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Bella Joseph J.
Bivens Steven L.
Cascio Jefferey S.
Croll Mark W.
Donovan Paul F.
Illinois Tool Works Inc.
Kyle Michael J
Mah Chuck Y.
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