Miscellaneous hardware (e.g. – bushing – carpet fastener – caster – Closers – Spring and gear
Reexamination Certificate
2008-07-24
2009-12-01
Miller, William L. (Department: 3677)
Miscellaneous hardware (e.g., bushing, carpet fastener, caster,
Closers
Spring and gear
C016S071000, C049S421000, C160S214000
Reexamination Certificate
active
07624476
ABSTRACT:
An automatic closing assembly for a sliding door has a base, an adjusting device and a housing. The base is mounted on the sliding door and has a mounting bracket and a connecting frame. The connecting frame is mounted on the mounting bracket and has a damper barrel. The adjusting device is connected to the base and has a handle, a screw shaft, and a resilient device. The handle is rotatably connected to the base and rotates the screw shaft. The resilient device moveably engages the screw shaft and is selectively retracted by rotation thereof. The housing is telescopically connected to the base, is mounted around the adjusting device and comprises two tubes connected respectively to ends of the resilient device to transmit a returning force to the door.
REFERENCES:
patent: 3918201 (1975-11-01), Graziano
patent: 4003102 (1977-01-01), Hawks et al.
patent: 4891911 (1990-01-01), Yung
patent: 6633094 (2003-10-01), Andou
patent: 7025106 (2006-04-01), Donnelly
patent: 2005/0082021 (2005-04-01), Manning
patent: 2007/0186481 (2007-08-01), Tomita et al.
patent: 2008/0210385 (2008-09-01), Sawyers et al.
patent: 2008/0250716 (2008-10-01), Ranaudo et al.
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