JPS62165617U

JPS62165617U -

Info

Publication number: JPS62165617U
Application number: JP4045486U
Authority: JP
Priority date: 1986-03-19
Filing date: 1986-03-19
Publication date: 1987-10-21

Description

[Brief explanation of the drawing]

第１図は、本考案のキーボードスイツチの平面
図、第２図は、第１図Ｘ―Ｘ線の縦断面図、第３
図は、下ホルダーのクツシヨンラバーを除き一部
を破断した平面図、第４図は、クツシヨンラバー
の平面図、第５図は、Ｓ字形板ばねの平面図、第
６図は、Ｓ字形板ばねとダンパーゴムからなる押
圧部材の側面図、第７図は、従来のアクシヨンス
イツチの断面図、第８図は、従来のノンアクシヨ
ンスイツチの断面図である。１０……キートツプ、２０……キーステム、３
１……上ホルダー、３２……下ホルダー、４０…
…コイルばね、５０……押圧部材、６０……接点
部、６１……固定接点、６２……基板、６３……
クツシヨンラバー、６５……突起部、６９……保
持部、７０……可動接点板。 Fig. 1 is a plan view of the keyboard switch of the present invention, Fig. 2 is a longitudinal sectional view taken along the line X--X of Fig. 1, and Fig.
The figure is a partially cutaway plan view excluding the cushion rubber of the lower holder, FIG. 4 is a plan view of the cushion rubber, FIG. 5 is a plan view of the S-shaped leaf spring, and FIG. 6 is the S-shaped leaf spring. FIG. 7 is a side view of a pressing member made of a letter-shaped leaf spring and damper rubber, FIG. 7 is a sectional view of a conventional action switch, and FIG. 8 is a sectional view of a conventional non-action switch. 10...Key top, 20...Key stem, 3
1... Upper holder, 32... Lower holder, 40...
... Coil spring, 50 ... Pressing member, 60 ... Contact portion, 61 ... Fixed contact, 62 ... Board, 63 ...
Cushion rubber, 65...Protrusion, 69...Holding part, 70...Movable contact plate.

Claims

[Scope of Claim for Utility Model Registration] (1) A holder consisting of a key top, an upper holder and a lower holder, a key stem disposed within the upper holder, a return spring disposed in the lower holder, and a return spring disposed in the lower holder. In the keyboard switch having a contact portion, the contact portion includes a fixed contact fixed to the bottom of a recess provided in the lower holder, a movable contact disposed above the fixed contact, and a movable contact fixed to the bottom of a recess disposed in the lower holder. A contact structure for a keyboard switch characterized by comprising a cushion rubber arranged so as to close a recessed part. (2) The fixed contact includes a conductive substrate;
A contact structure for a keyboard switch according to claim 1, wherein a plurality of protrusions having a conductive material layer on the surface are disposed on a substrate. (3) The contact structure of the keyboard switch according to claim 1, wherein the movable contact has a ring-shaped holding part made of an elastic metal material and a plurality of movable contact plates protruding from the holding part. . (4) The contact structure of the keyboard switch according to claim 3, wherein the movable contact has a layer of highly conductive material on at least the back surface of the movable contact plate.