Key structure

Details Key structure Key structure

2008-12-22

2011-11-01

Friedhofer, Michael (Department: 2833)

Electricity: circuit makers and breakers

Electric switch details

Actuators

C200S0050EA

Reexamination Certificate

active

08049125

ABSTRACT:
A key structure including at least two protruding keys and a key frame is provided. The at least two protruding keys are arrayed adjacently. Each of the at least two protruding keys has a first side edge, a second side edge and a protrusion. The second side edge is opposite to the first side edge. The protrusion has a curved-convex surface, a first side surface and a second side surface. The curved-convex surface is getting protruding inwardly from the first side edge and the second side edge. The top end of the curved-convex surface has a crest line. The first side surface passes through the end points of the first side edge, the second side edge and the crest line in the same side. The second side surface is opposite to the first side surface. The key frame is used for carrying the at least two protruding keys.

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English language translation of abstract of TW 587888 (published May 11, 2004).
English language translation of abstract of JP 2001135193 (published May 18, 2001).
English abstract of EP0546468.

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