Incremental printing of symbolic information – Ink jet – Housing
Reexamination Certificate
2011-06-21
2011-06-21
Feggins, K. (Department: 2861)
Incremental printing of symbolic information
Ink jet
Housing
Reexamination Certificate
active
07963648
ABSTRACT:
An original cover closer of which the energy absorption capability can be freely adjusted by a damper is described. The development period for the original cover closer is therefore shortened. The original cover closer comprises: an attachment member to be mounted on the main body of a device; a support member pivotally connected to the attachment member and operable to support an original cover; a first and a second slider slidably installed in the support member; a compression coil spring interposed between the first and second sliders and operable to urge the original cover to open; and a fluid damper located in the compression coil spring. Particularly, the fluid damper comprises: a cylinder having a base end fixed to the first slider; a piston slidably installed in the cylinder; an abutment stem integrally provided on the piston and located in order that a tip portion of the abutment stem can come in contact with the second slider; a first fluid chamber formed on one side of the piston; a second fluid chamber formed on the other side of the piston; a viscous fluid with which the first fluid second fluid chambers are filled; a fluid conduit formed through the piston in order that the viscous fluid can move through the fluid conduit from the first fluid chamber to the second fluid chamber and vice versa; and a flow rate regulating needle valve formed in the fluid conduit and operable to adjust the speed of the viscous fluid passing through the fluid conduit when the piston slides in the cylinder.
REFERENCES:
patent: 2009/0154974 (2009-06-01), Katsumata et al.
Katsumata Tsutomu
Kohda Hirohumi
Browdy and Neimark PLLC
Feggins K.
Simotec Inc.
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