Electricity: electrical systems and devices – Housing or mounting assemblies with diverse electrical... – For electronic systems and devices
Reexamination Certificate
1998-05-15
2001-05-15
Picard, Lee P. (Department: 2835)
Electricity: electrical systems and devices
Housing or mounting assemblies with diverse electrical...
For electronic systems and devices
C361S679090, C361S689000
Reexamination Certificate
active
06233144
ABSTRACT:
BACKGROUND OF THE INVENTION
The present invention relates to an outward pushing device and an expansion device adapted to the outward pushing device, which enables a user to push and electrically connect the portable computer with the expansion device in a more strength-saving manner. In addition, by means of the pushing device, the user can more conveniently and easily push the portable computer out of the expansion device. Also, the pushing device helps in dissipating of the heat generated by the portable computer.
In conventional portable computer and expansion device, the rejecting mechanism employs a linkage to drive the pushing members disposed on two sides of the expansion device for pushing and separating the portable computer from the expansion device. Such linkage and pushing members have quite complicated structure and include numerous parts. Moreover, it is quite troublesome and time-consuming to assemble these parts. Therefore, it is necessary to develope an outward Pushing device and an expansion device adapted to the outward pushing device, which enables a user to push and electrically connect the portable computer with the expansion device and push and separate the portable computer from the expansion device in a more strength-saving manner.
SUMMARY OF THE INVENTION
It is a primary object of the present invention to provide an outward pushing device and an expansion device adapted to the outward pushing device, which has simple structure and less components and thus can be easily assembled. The pushing device and expansion device enables a user to push and separate the portable computer with the expansion device in a more strength-saving manner. In the case that the force exerted onto the pushing device by the user is not unified, the portable computer can be still rejected out of the expansion device almost at the same speed.
It is a further object of the present invention to provide the above outward pushing device and expansion device in which the seat body of the expansion device is disposed with at least one slide rail and the bottom of the portable computer is correspondingly disposed with slide channel in which the slide rail is slidably fitted. By means of the slide rail and slide channel, the frictional force between the portable computer and the seat body is reduced, permitting a user to push and electrically connect the portable computer with the expansion device in p more strength-saving manner.
It is still a further object of the present invention to provide the above outward pushing device and expansion device in which when the portable computer is used with the expansion device, the execution speed of the portable computer will be increased. Therefore, more heat will be generated than that of the solely used portable computer. Therefore, the pushing device is disposed in an independent receiving chamber of the expansion device and formed with multiple pushing plates at intervals. Through the intervals, the heat generated from the back side of the portable computer can be dissipated out of the portable computer.
It is still a further object of the present invention to provide the above outward pushing device and expansion device in which the seat body is disposed with a guiding member, whereby a user can quickly and accurately aim the slide channel of the portable computer at the slide rail of the seat body and easily electrically connect the portable computer with the expansion device.
The present invention can be best understood through the following description and accompanying drawings, wherein:
REFERENCES:
patent: 5838539 (1998-11-01), Doss et al.
patent: 6061233 (2000-05-01), Jung
Chiang Chih-Wen
Lee Chia-Chun
Bacon & Thomas PLLC
Chang Yean-Hsi
Compal Electronics Inc.
Picard Lee P.
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