Pivot-and-positioning assembly for an electronic device
First Claim
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1. A pivot-and-positioning assembly for an electronic device that includes first and second parts, said pivot-and-positioning assembly comprising:
- a pivot unit including a mounting seat adapted to be secured to the second part, and a rotatable member mounted rotatably on said mounting seat and adapted to be secured to the first part so as to permit rotation of the first part about a first axis relative to the second part between first and second positions; and
a positioning unit including a first engaging member that is secured to said rotatable member and that has an engaging portion which rotates about said first axis along a circumferential trajectory upon rotation of the first part relative to the second part, and a pair of second engaging members that are secured to said mounting seat and that are diametrically disposed on said circumferential trajectory, each of said second engaging members defining a retaining recess that opens at a tangential direction relative to said circumferential trajectory in such a manner that said engaging portion of said first engaging member moves along said circumferential trajectory to be fittingly and releasably snapped into said retaining recess in one of said second engaging members so as to position the first part at the first position and that said engaging portion of said first engaging member moves along said circumferential trajectory to be fittingly and releasably snapped into said retaining recess in the other of said second engaging members so as to position the first part at the second position.
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Abstract
A pivot-and-positioning assembly for an electronic device includes a mounting seat, a rotatable member mounted rotatably on the mounting seat, a first engaging member mounted on the rotatable member and rotatable along a circumferential trajectory, and a pair of diametrically disposed second engaging members mounted on the mounting seat. Each second engaging member defines a retaining recess that opens at a tangential direction relative to the trajectory for receiving the first engaging member.
28 Citations
11 Claims
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1. A pivot-and-positioning assembly for an electronic device that includes first and second parts, said pivot-and-positioning assembly comprising:
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a pivot unit including a mounting seat adapted to be secured to the second part, and a rotatable member mounted rotatably on said mounting seat and adapted to be secured to the first part so as to permit rotation of the first part about a first axis relative to the second part between first and second positions; and
a positioning unit including a first engaging member that is secured to said rotatable member and that has an engaging portion which rotates about said first axis along a circumferential trajectory upon rotation of the first part relative to the second part, and a pair of second engaging members that are secured to said mounting seat and that are diametrically disposed on said circumferential trajectory, each of said second engaging members defining a retaining recess that opens at a tangential direction relative to said circumferential trajectory in such a manner that said engaging portion of said first engaging member moves along said circumferential trajectory to be fittingly and releasably snapped into said retaining recess in one of said second engaging members so as to position the first part at the first position and that said engaging portion of said first engaging member moves along said circumferential trajectory to be fittingly and releasably snapped into said retaining recess in the other of said second engaging members so as to position the first part at the second position. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A portable computer comprising:
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a display module;
a main board module; and
a pivot-and-positioning assembly including a pivot unit including a mounting seat secured to said main board module, and a rotatable member mounted rotatably on said mounting seat and secured to said display module so as to permit rotation of said display module about a first axis relative to said main board module between first and second positions, and a positioning unit including a first engaging member that is secured to said rotatable member and that has an engaging portion which rotates about said first axis along a circumferential trajectory upon rotation of said display module relative to said main board module, and a pair of second engaging members that are secured to said mounting seat and that are diametrically disposed on said circumferential trajectory, each of said second engaging members defining a retaining recess that opens at a tangential direction relative to said circumferential trajectory in such a manner that said engaging portion of said first engaging member moves along said circumferential trajectory to be fittingly and releasably snapped into said retaining recess in one of said second engaging members so as to position said display module at the first position and that said engaging portion of said first engaging member moves along said circumferential trajectory to be fittingly and releasably snapped into said retaining recess in the other of said second engaging members so as to position said display module at the second position. - View Dependent Claims (10)
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11. A pivot-and-positioning assembly for an electronic device that includes first and second parts, said pivot-and-positioning assembly comprising:
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a pivot unit including a mounting seat adapted to be secured to the second part, and a rotatable member mounted rotatably on said mounting seat and adapted to be secured to the first part so as to permit rotation of the first part about a first axis relative to the second part between first and second positions; and
a positioning unit including a first engaging member that is secured to said rotatable member and that rotates about said first axis along a circumferential trajectory upon rotation of the first part relative to the second part, and a pair of second engaging members that are secured to said mounting seat and that are diametrically disposed on said circumferential trajectory so as to permit engagement between said first engaging member and one of said second engaging members when the first part rotates to the first position and engagement between said first engaging member and the other of said second engaging members when the first part rotates to the second position.
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Specification