Appeal No. 1998-0073
Application 08/273,813
external port nor a form-fitted cover for the port. Hsieh
clearly teaches a clam shell configuration in col. 3, lines 15
through 27 and Fig. 2 and hinges are shown at the location
where the cover is attached to the bottom housing and where a
battery pack is attached to its back. Hsieh in col. 5, lines
23 through 27 further discloses external ports in the bottom
housing for connection with peripheral devices. Chadima in
col. 14, lines 8 through 14 teaches the connection of
connectors 93 and 94 via the end cap 95 to the housing where
an O-ring 106 which is usually made of rubber and a gasket 109
seal the external ports 108. Chadima in col. 14, lines 20
through 23 indicates that the completion of the above assembly
seals off the data terminal from the environment. We conclude
that Hsieh teaches the clam shell portable computer with an
external port in the bottom housing while Chadima’s end cap
95, O-ring 106, and gasket 109 together form a “port sealing
unit” which seals the external ports 108.
Chadima is concerned with sealing the housing of a
portable computer and sealing off the external ports from the
outside environment such as dust and moisture. In particular,
Chadima in col. 3, lines 1 through 9 discloses:
10
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