# US 8,772,661 B2 · Press button and portable computer using the same > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 8,772,661 B2 - Document ID: US8772661B2 - Status: Granted - Kind: B2 - Application number: 13/354,279 - Filed: 2012-01-19 - Published: 2012-10-04 - Granted: 2014-07-08 - Earliest claimed: 2011-03-30 - Assignees: Wistron Corporation - Applicants: Chen-Yi Liang; Cheng-Hsiang Chuang; Chun-Chien Chen; Shun-De Bai; San-Pao Kao - Inventors: Chen-Yi Liang; Cheng-Hsiang Chuang; Chun-Chien Chen; Shun-De Bai; San-Pao Kao - Web page: https://patentgrep.com/patent/US8772661B2 ## CPC - H01H 3/122: {with enlarged actuating area, e.g. of the elongated bar-type; Stabilising means therefor} - H01H 13/705: characterised by construction, mounting or arrangement of operating parts, e.g. push-buttons or keys - H01H 21/36: Driving mechanisms - H01H 2221/016: Lever; Rocker - H01H 2221/03: Stoppers for on or off position - H01H 2227/036: Minimise height - H01H 2231/042: Briefcase; Note-book - H01H: ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES (contact cables H01B7/10; electrolytic self-interrupters H01G9/18; emergency protective circuit arrangements H02H; switching by electronic means without contact-making H03K17/00) ## Abstract A thin press button is provided. The press button includes a base plate, a link member, a cap, and at least one stopper. The link member, having a sliding recess, is disposed on the base plate. The cap pivots on the link member. The stopper has a first end and a second end, wherein the first end pivots on the cap and the second end is slidably disposed in the sliding recess. ## Claims ### Claim 1 A press button, comprising: a base plate; a link member, having at least one sliding recess and disposed on the base plate; a cap, pivoting on the link member; and at least one stopper, having a first end and a second end, wherein the first end pivots on the cap and the second end is slidably disposed in the sliding recess. ### Claim 2 (depends on 1) The press button as claimed in claim 1, wherein the cap further comprises a pivot member, and the link member further comprises a pivot holder disposed on the pivot member. ### Claim 3 (depends on 2) The press button as claimed in claim 2, wherein the cap further comprises a stopper holder on a side thereof opposing the pivot holder, and the first end of the stopper is disposed in the stopper holder. ### Claim 4 (depends on 3) The press button as claimed in claim 3, wherein, adjacent to the stopper holder, the cap further comprises a flange arranged to pivot around a pivot axis of the pivot member and abut abutting the base plate when the cap is pressed by an external force. ### Claim 5 (depends on 2) The press button as claimed in claim 2, wherein the base plate further comprises a through hole, and the pivot holder is received in the through hole. ### Claim 6 (depends on 2) The press button as claimed in claim 2, further comprising a resilient member, wherein the link member further comprises an opening, and the resilient member is received in the opening. ### Claim 7 (depends on 6) The press button as claimed in claim 6, wherein the resilient member is made of rubber. ### Claim 8 (depends on 1) The press button as claimed in claim 1, wherein the link member further comprises a retaining block, and the retaining block is adjacent to the sliding recess and is disposed on a bottom surface of the link member. ### Claim 9 (depends on 1) The press button as claimed in claim 1, wherein the sliding recess is formed at a bottom surface of the link member, and the link member further comprises a channel adjacent to the sliding recess, wherein the stopper is disposed in the channel. ### Claim 10 (depends on 9) The press button as claimed in claim 9, wherein, corresponding to an outward direction of the channel, the link member further comprises a retaining block which is disposed on a bottom surface of the link member and is adjacent to the sliding recess. ### Claim 11 (depends on 1) The press button as claimed in claim 1, wherein the link member further comprises a mylar layer, and the mylar layer corresponds to the sliding recess disposed on the base plate. ### Claim 12 (depends on 1) The press button as claimed in claim 1, wherein the base plate further comprises a first region and a second region connected to the first region and protruded from the first region, wherein the cap is arranged to abut the first region when the cap is pressed by an external force, and the link member is disposed on the second region. ### Claim 13 (depends on 1) The press button as claimed in claim 1, further comprising a circuit board disposed on the base plate, and a resilient member disposed on a surface of the circuit board. ### Claim 14 (depends on 13) The press button as claimed in claim 13, wherein the resilient member is made of rubber. ### Claim 15 A portable electronic device, comprising: a housing; a control unit, connected to the housing; and a press button, disposed on the control unit, comprising: a base plate; a link member, having at least one sliding recess, disposed on the base plate; a cap, pivoting on the link member; and at least one stopper, having a first end and a second end, wherein the first end pivots on the cap and the second end is slidably disposed in the sliding recess. ### Claim 16 (depends on 15) The portable electronic device as claimed in claim 15, wherein the cap further comprises a pivot member, and the link member further comprises a pivot holder disposed on the pivot member. ### Claim 17 (depends on 16) The portable electronic device as claimed in claim 16, wherein the cap further comprises a stopper holder on a side thereof opposing the pivot holder, and the first end of the stopper is disposed in the stopper holder. ### Claim 18 (depends on 17) The portable electronic device as claimed in claim 17, wherein, adjacent to the stopper holder, the cap further comprises a flange arranged to pivot around a pivot axis of the pivot member and abut the base plate when the cap is pressed by an external force. ### Claim 19 (depends on 15) The portable electronic device as claimed in claim 15, wherein the link member further comprises a retaining block, and the retaining block is adjacent to the sliding recess and is disposed on a bottom surface of the link member.