Patent ID: 6906272

Claim:
A key switch comprising: a key cap including a top wall, a pair of pivot retainers, and a pair of latch retainers, said pivot and latch retainers projecting downward from a bottom side of said top wall, each of said pivot retainers having a distal end disposed away from said top wall, two opposite side faces extending between and being connected to said top wall and said distal end, a pivot hole extending through said side faces and opening at said distal end, and a guide rib projecting outward from one of said side faces and extending from said top wall toward said distal end, said guide rib being tapered from said top wall toward said distal end and defining an inclined guide surface; and a cap support including two intersecting first and second frames which are connected pivotally to each other, said first and second frames being connected to said key cap through said pivot retainers and said latch retainers, one of said first and second frames having two inclined surfaces, said inclined surfaces being respectively slidable along said guide surfaces so that said inclined surfaces are guided by said guide surfaces when said cap support is pressed against said key cap during assembly of said cap support and said key cap.