A hinge mechanism includes a shaft having an outer screw thread, a rotating cam, a rotating cam having an inner screw thread, a first elastic element, a sleeve having a latching block, a second elastic element, an anchoring block, and a button having a post. The driven cam defines two symmetrical la
A hinge mechanism includes a shaft having an outer screw thread, a rotating cam, a rotating cam having an inner screw thread, a first elastic element, a sleeve having a latching block, a second elastic element, an anchoring block, and a button having a post. The driven cam defines two symmetrical latching grooves. The anchoring block defines a first hole and a second hole. The shaft extends through the rotating cam, the driven cam, the first elastic element, the sleeve, the second elastic element, and the first hole of the anchoring block. The outer screw thread of the shaft engages with the inner screw thread of the rotating cam. The latching block of the sleeve is slidably received in the latching grooves of the driven cam. The post of the button extends through the second hole of the anchoring block and abuts against an end of the sleeve.
대표청구항▼
We claim: 1. A hinge mechanism for joining a flip cover to a main body of a foldable mobile phone, comprising: a shaft having an outer screw thread; a rotating cam having an inner screw thread; a driven cam defining two symmetrical latching grooves in an inner wall thereof; a first elastic element;
We claim: 1. A hinge mechanism for joining a flip cover to a main body of a foldable mobile phone, comprising: a shaft having an outer screw thread; a rotating cam having an inner screw thread; a driven cam defining two symmetrical latching grooves in an inner wall thereof; a first elastic element; a sleeve including at least one latching block; a second elastic element; an anchoring block defining a first hole and at least one second hole; and a button having at least one post; wherein the shaft extends through the rotating cam, the driven cam, the first elastic element, the sleeve, the second elastic element and the first hole of the anchoring block, the outer screw thread of the shaft engages with the inner screw thread of the rotating cam, opposite ends of the first elastic element respectively abut against the shaft at the outer screw thread thereof and one end of the sleeve at said latching block, opposite ends of the second elastic element respectively abut against the driven cam and the anchoring block, said latching block of the sleeve is slidably received in the latching grooves of the driven cam, and said post of the button extends through said second hole of the anchoring block and abuts against an opposite end of the sleeve. 2. The hinge mechanism as claimed in claim 1, wherein the rotating cam defines a first central hole and a first cam surface at an end thereof, and said inner screw thread is located in the first central hole. 3. The hinge mechanism as claimed in claim 2, wherein the driven cam defines a second central hole and a second cam surface at an end thereof, the latching grooves communicate with the second central hole, and the second earn surface movably engages with the first cam surface. 4. The binge mechanism as claimed in claim 2, wherein the rotating cam has a plurality of protruding blacks located on an outer circumferential wall thereof. 5. The hinge mechanism as claimed in claim 3, wherein the sleeve slides along the shaft and includes a first portion and a second portion, said latching block is located on one end of the first portion, and the first portion is slidably received in the second central hole and abuts against one end of the first elastic element. 6. The binge mechanism as claimed in claim 5, wherein an outer diameter of the second portion is larger than an outer diameter of the first portion, thereby defining a step where the second portion adjoins the first portion. 7. The hinge mechanism as claimed in claim 1, wherein an end of the shaft distal from the outer screw thread defines at least one latching slot and a sliding groove. 8. The hinge mechanism as claimed in claim 7, further comprising a spring clip engaged in said latching slot and abutting against the anchoring block. 9. The hinge mechanism as claimed in claim 8, wherein the button defines a central hole, and a positioning block is formed on an inner wall of the button in the central hole. 10. The hinge mechanism as claimed in claim 9, wherein the positioning block engages in the sliding groove of the shaft, for limiting a range of movement of the button along the shall. 11. A hinge mechanism for joining a flip cover to a main body of a foldable device, comprising: a shaft having an outer screw thread on one end thereof; a rotating cam having an inner screw thread and defining at least one latching groove; a first elastic element; a sleeve including a latching block; a second elastic element; an anchoring block defining a first hole and a second hole; and a button having a post; wherein the shaft extends through the rotating cam, the first elastic element, the sleeve, the second elastic element and the first hole of the anchoring block, the outer screw thread of the shaft engages with the inner screw thread of the rotating cam, opposite ends of the first elastic element respectively abut against the shaft at the outer screw thread thereof and one end of the sleeve at the latching block, opposite ends of the second elastic element respectively abut against the driven cam and the anchoring block, the latching block of the sleeve is slidably received in said latching groove of the rotating cam, and the post of the button extends through the second hole of the anchoring block and abuts against an opposite end of the sleeve. 12. The hinge mechanism as claimed in claim 11, wherein the rotating cam defines a first central hole and a first cam surface at an end thereof, the inner screw thread is located in the first central hole, and said latching groove is in communication with the first central hole. 13. The hinge mechanism as claimed in claim 12, wherein the rotating earn has a plurality of protruding blocks located on a circumferential wall thereof. 14. The hinge mechanism as claimed in claim 12, wherein the sleeve slides along the shalt and includes a first portion and a second portion, the first portion includes the latching block at a distal end thereof, and the latching block abuts against one end of the first elastic element. 15. The hinge mechanism as claimed in claim 14, wherein an outer diameter of the second portion is larger than an outer diameter of the first portion, thereby defining a step where the second portion adjoins the first portion. 16. The hinge mechanism as claimed in claim 11, wherein an opposite end of the shaft defines a sliding groove and at least one latching slot. 17. The hinge mechanism as claimed in claim 16, further comprising a spring clip engaged in said latching slat and abutting against the anchoring block. 18. The hinge mechanism as claimed in claim 16, wherein the button defines a central hole, a positioning block is formed on an inner wall of the button in the central hole, and the positioning block engages in the sliding groove of the shaft for limiting a range of movement of the button along the shaft. 19. A hinge mechanism for joining components of an electronic device, comprising: a shaft interconnected with one of components of an electronic device to move together therewith; a rotating cam interconnected with another of said components to move together therewith, said rotating cam engagable with said shaft and linearly movable along said shaft and rotarily movable about said shaft during engagement of said shaft and said rotating cart; and a sleeve reachable to said rotating cam and movable between a first position thereof to release said rotating cam and allow said rotating cam to linearly and rotarily move relative to said shaft, and a second position thereof to confine movement of said rotating cam; wherein said shalt engages with said rotating cam via an outer screw thread thereof so as to guide said movement of said rotating cam by means of said outer screw thread. 20. The hinge mechanism as claimed in claim 19, wherein said sleeve is attached to said shaft and linearly movable along said shaft by driving of a button. 21. The binge mechanism as claimed in claim 19, further comprising a driven cam only linearly movable along said shaft, and engagable with said rotating cam at one end thereof next to said rotating cam and with said sleeve at the other end thereof away from said rotating cam.
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이 특허에 인용된 특허 (10)
Minami, Katsuichi; Nakase, Masaki; Sakai, Koji; Konja, Takehiko; Kudo, Yasuchika; Nakase, Yusho; Yamaguchi, Katsumasa, Folding device and electronic equipment using the same.
Doraiswamy, Sundarraj; Santos, Theodore R.; Larson, David, Preferential deflection hinge mechanism with an idler for foldable portable electronic devices.
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