Typewriting machines – Key-board or key lever-actuating mechanism – Key-cap or key-stem structure
Reexamination Certificate
2005-05-03
2005-05-03
Hirshfeld, Andrew H. (Department: 2854)
Typewriting machines
Key-board or key lever-actuating mechanism
Key-cap or key-stem structure
C400S472000, C150S165000, C150S154000, C206S230000
Reexamination Certificate
active
06887002
ABSTRACT:
A keyboard cover has a rectangular transparent film made of a soft material and having an upper side, a bottom side, two long sides and two short sides. Two first reinforcing strips are formed at the bottom side and respectively at the two long sides of the film. Two second reinforcing strips are formed at the bottom side and respectively at the two short sides of the film. Two elastic strips are respectively formed beneath the first reinforcing strips. Each of the elastic strips has two ends respectively bent upwards and inwards and fastened at the corresponding corners of the film. Whereby, a user's fingers will not directly touch a covered keyboard to prevent the keyboard from being contaminated by dirt or bacteria on a user's fingers.
REFERENCES:
patent: 4762226 (1988-08-01), Gatton
patent: 5080155 (1992-01-01), Crozier
patent: 5944432 (1999-08-01), Richardson
patent: 6772881 (2004-08-01), Le et al.
Ghatti Dave A.
Hirshfeld Andrew H.
Pelton, Esq. William E.
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