Miscellaneous hardware (e.g. – bushing – carpet fastener – caster – Insulated handle – Knob-type handle
Reexamination Certificate
1999-06-29
2001-07-24
Sandy, Robert J. (Department: 3626)
Miscellaneous hardware (e.g., bushing, carpet fastener, caster,
Insulated handle
Knob-type handle
C016S110100
Reexamination Certificate
active
06263544
ABSTRACT:
BACKGROUND OF THE INVENTION
The present invention relates to a stick switch included in a handy phone or similar mobile terminal and more particularly to a knob for the stick switch.
Many of mobile terminals including handy phones extensively used today each are provided with a stick switch having a knob to be operated by the user. A conventional knob mounted on a stick switch has its end exposed to the outside via a hole formed in the casing of a mobile terminal, so that the user of the mobile terminal can touch the end of the knob for moving the knob. However the conventional knob has some problems left unsolved, as follows. First, the prerequisite with the knob is that it does not protrude from the surface of the mobile terminal. The user's finger cannot easily catch such a knob and is apt to slip on the knob. This makes it difficult for the user to move the stick switch delicately.
Further, if the height of the knob is determined with importance attached to easy operation, the mobile terminal must be made thick enough to prevent the end of the knob from protruding from the casing of the mobile terminal. This obstructs the miniaturization of the mobile terminal.
Technologies relating to the present invention are disclosed in Japanese Utility Model Laid-Open Publication Nos. 61-101920, 63-19722 and 6-54155 and Japanese Patent Laid-Open Publication Nos. 9-204234, 8-111144, 6-260056, 2-109226 and 8-161979.
SUMMARY OF THE INVENTION
It is therefore an object of the present invention to provide a knob or a stick switch that is easy to operate and promotes the miniature, thin configuration of a mobile terminal.
A knob of the present invent ion is mounted on one end of a stick included in a stick switch and selectively sinkable in the axial direction of the stick or tiltable in any one of preselected directions. A concave surface is formed on one end of the knob opposite to the other end to be mounted to the stick. At least one projection protrudes from the concave surface.
REFERENCES:
patent: 2259077 (1941-10-01), Morgan
patent: 4719455 (1988-01-01), Louis
patent: 5278557 (1994-01-01), Stokes et al.
patent: 5528235 (1996-06-01), Lin et al.
patent: 5536911 (1996-07-01), Madill
patent: 5631453 (1997-05-01), Maeda
patent: 5790108 (1998-08-01), Salcudean et al.
patent: 61-101920 (1986-06-01), None
patent: 63-19722 (1988-02-01), None
patent: 2-109226 (1990-04-01), None
patent: 6-54155 (1994-07-01), None
patent: 6-260056 (1994-09-01), None
patent: 8-111144 (1996-04-01), None
patent: 8-161979 (1996-06-01), None
patent: 9-204234 (1997-08-01), None
patent: WO 90/15427 (1990-12-01), None
NEC Corporation
Sandy Robert J.
Sughrue Mion Zinn Macpeak & Seas, PLLC
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