US 2018/0025857 A1 · KEY DEVICE

Abstract

A key assembly including a base plate, a keycap, and at least one balance link. The balance link is disposed between the base plate and the keycap, the balance link having a top lever and two side levers, wherein the two side levers being connected to the top lever at both ends thereof, two ends of the two side levers away from the top lever being connected to the base plate, the top lever being connected to the keycap. The top lever and/or the two side levers include a plastic portion, the parts of the top lever and the two side levers other that the plastic portion being made of metal such that the balance link is a composite structure. The balance link contacts at least one of the keycap and the base plate via the plastic portion.

Claims10

Dependent claims

A key assembly, comprising:

a base plate;
a keycap;
and
at least one balance link located between the base plate and the keycap, the at least one balance link including a top lever and two side levers,
wherein the two side levers are connected to both ends of the top lever respectively, the ends of the two side levers that are away from the top lever being connected to the base plate, and the top lever being connected to the keycap,
wherein the top lever and/or the two side levers have a plastic portion, and the part of the top lever and the part of the two side levers other than the plastic portion are made of metal in such a manner that the at least one balance link is a composite structure, and
wherein the at least one balance link is in contact with at least one of the keycap and the base plate via the plastic portion.

4 more elements

Dependencies are inferred from the claim text.

Key device

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Key device

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Abstract

Claims10