Supporting device with good usability for electronic apparatus and electronic apparatus

1. A supporting device capable of installing an apparatus body of an electronic apparatus at a standing state on a supporting surface, the supporting device comprising:

a leg which is rotatably provided on a back surface of the apparatus body at the standing state and is used for holding the apparatus body supported by the supporting surface;

a support which is rotatably provided on the back surface and engaged with the leg for defining an angle of the leg with respect to the back surface, and a base which is provided on the back surface and extends in a longitudinal direction of the electronic apparatus,

wherein the leg and the support are foldable in substantially parallel to the back surface without overlapping with each other,

wherein the leg is rotatably attached to a lower end portion of the base in the longitudinal direction and includes a rotary end portion which is capable of approaching and getting away from a lower end portion of the back surface in the longitudinal direction, and

wherein the support is attached to an upper end portion of the base in the longitudinal direction and includes a rotary end portion which is capable of approaching to and getting away from an upper end portion of the back surface in the longitudinal direction.

2. The supporting device according to claim 1 , wherein the rotary end portion of the support engages with a middle portion of the leg, whereby a rotary angle of the leg is set to measure according to a standing angle of the apparatus body.

3. The supporting device according to claim 1 , wherein each of the leg and the support has a rotary end portion and is foldable to make the rotary end portion approaches the back surface.

4. The supporting device according to claim 1 , wherein the leg has a plurality of support receiving sections formed so as to be arranged in a saw-tooth and staircase pattern, and the support selectively engages with any of the support receiving sections.

5. The supporting device according to claim 4 , wherein, when the support receiving section with which the support is to engage is changed so as to make an angle between the back surface and the leg smaller, the support is movable with a latch mechanism while keeping in contact with the leg.

6. The supporting device according to claim 1 , wherein each of the leg and the support is a single part formed by resin molding.

7. An electronic apparatus comprising an apparatus body of the electronic apparatus and the supporting device according to claim 1 .

8. The electronic apparatus according to claim 7 , further comprising a base which is provided on the back surface and extends in a longitudinal direction of the electronic apparatus,

wherein the leg is rotatably attached to a lower end portion of the base in the longitudinal direction and includes a rotary end portion which is capable of approaching and getting away from a lower end portion of the back surface in the longitudinal direction, and

wherein the support is attached to an upper end portion of the base in the longitudinal direction and includes a rotary end portion which is capable of approaching to and getting away from an upper end portion of the back surface in the longitudinal direction, and

wherein the base is formed as a part of the apparatus body.

9. The electronic apparatus according to claim 7 , further comprising a base provided on the back surface, the base extending in a longitudinal direction of the electronic apparatus,

wherein the leg is rotatably attached to a lower end portion of the base in the longitudinal direction and includes a rotary end portion which is capable of approaching and getting away from a lower end portion of the back surface in the longitudinal direction, and

wherein the support is attached to an upper end portion of the base in the longitudinal direction and includes a rotary end portion which is capable of approaching to and getting away from an upper end portion of the back surface in the longitudinal direction, and

wherein the base is made as an element separate from the apparatus body and attached to the apparatus body.

10. A supporting device capable of installing an apparatus body of an electronic apparatus at a standing state on a supporting surface, the supporting device comprising:

a leg which is rotatably provided on a back surface of the apparatus body at the standing state and is used for holding the apparatus body supported by the supporting surface; and

a support which is rotatably provided on the back surface and engaged with the leg for defining an angle of the leg with respect to the back surface,

wherein the leg and the support are foldable in substantially parallel to the back surface without overlapping with each other, and

wherein the leg includes;

a pair of leg elements spaced from each other in a lateral direction of the apparatus body; and

a connecting element for connecting between the leg elements, and

wherein the support includes;

a pair of supporting elements spaced from each other in the lateral direction of the apparatus body; and

a connecting element for connecting between the supporting elements.

11. The supporting device according to claim 10 , wherein at least one of the leg elements has a plurality of support receiving sections formed so as to be arranged in a saw-tooth and staircase pattern, and the support selectively engages any of the support receiving sections.

12. The supporting device according to claim 11 , wherein the support has a protruding piece for engaging with any of the support receiving sections.

13. The supporting device according to claim 11 , wherein at least one of the leg elements includes:

a plurality of knots which are arranged so as to correspond to the plurality of support receiving sections; and

a rib which extends over the plurality of knots,

wherein the support has an elastic protrusion for engaging any of the knots with the rib to prevent release from the leg.

14. The supporting device according to claim 10 , wherein each of the leg and the support is a single part formed by resin molding.

15. An electronic apparatus comprising an apparatus body of the electronic apparatus and the supporting device according to claim 10 .

16. The electronic apparatus according to claim 15 , further comprising a base which is provided on the back surface and extends in a longitudinal direction of the electronic apparatus,

wherein the leg is rotatably attached to a lower end portion of the base in the longitudinal direction and includes a rotary end portion which is capable of approaching and getting away from a lower end portion of the back surface in the longitudinal direction, and

wherein the support is attached to an upper end portion of the base in the longitudinal direction and includes a rotary end portion which is capable of approaching to and getting away from an upper end portion of the back surface in the longitudinal direction, and

wherein the base is formed as a part of the apparatus body.

17. The electronic apparatus according to claim 15 , further comprising a base provided on the back surface, the base extending in a longitudinal direction of the electronic apparatus,

wherein the leg is rotatably attached to a lower end portion of the base in the longitudinal direction and includes a rotary end portion which is capable of approaching and getting away from a lower end portion of the back surface in the longitudinal direction, and

wherein the support is attached to an upper end portion of the base in the longitudinal direction and includes a rotary end portion which is capable of approaching to and getting away from an upper end portion of the back surface in the longitudinal direction, and

wherein the base is made as an element separate from the apparatus body and attached to the apparatus body.