Typewriting machines – Key-board or key lever-actuating mechanism
Reexamination Certificate
2011-08-16
2011-08-16
Hammond, Briggitte R (Department: 2833)
Typewriting machines
Key-board or key lever-actuating mechanism
Reexamination Certificate
active
07997817
ABSTRACT:
A keypad lifting mechanism includes a first board, a second board and a third board. The second board is positioned between the first board and the third board. The first board has a plurality of wedges. The third board has a plurality of protrusions. The second board has a plurality of resisting members. When the second board is pushed away the first board and the third board, the second board is raised relative to the first board by engagement of the wedges and the resisting member, and the third board is raised relative to the second board by engagement of the resisting members and the protrusions.
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Chen Zhi-Lan
Peng Zhi-Gang
Shi Zhi-Qiang
Yin Tao
Zou Zhi-Gang
Altis Law Group, Inc.
FIH (Hong Kong) Limited
Hammond Briggitte R
Shenzhen Futaihong Precision Industry Co. Ltd.
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