IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0947885
(2010-11-17)
|
등록번호 |
US-8186640
(2012-05-29)
|
발명자
/ 주소 |
|
출원인 / 주소 |
- MEGA Brands International
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
4 인용 특허 :
18 |
초록
▼
A portable drawing apparatus configured to act as an easel and/or desk includes a pair of upper support members each pivotally connected to a respective lower support member, and also each pivotally connected to a respective rear support member. In an operational configuration, the rear support memb
A portable drawing apparatus configured to act as an easel and/or desk includes a pair of upper support members each pivotally connected to a respective lower support member, and also each pivotally connected to a respective rear support member. In an operational configuration, the rear support members can project rearwardly in a plane substantially normal to a plane defined by two mutually parallel upper support members. A lower cross frame and upper cross frame are each connected to respective lower support members, and upper support members, and each further connected to the non-removable portion. A hinged lateral member, when configured in a locked position, defines the apparatus width. In a collapsed configuration, the distal portions of the upper and lower support members are configured to point in the same direction and form a bundle whose length is substantially less than that of the apparatus length in operational configuration.
대표청구항
▼
1. A portable drawing apparatus comprising: a first and second drawing surface support member, wherein each of the first and second drawing surface support members has a first end portion and a second end portion opposite to the first end portion,wherein the first and second drawing surface support
1. A portable drawing apparatus comprising: a first and second drawing surface support member, wherein each of the first and second drawing surface support members has a first end portion and a second end portion opposite to the first end portion,wherein the first and second drawing surface support members laterally oppose each other, andwherein the first and second drawing surface support members are configured to connect to a drawing support surface;a first and second lower support member, wherein each of the first and second lower support members has a first end portion and a second end portion opposite to the first end portion,wherein the first and second lower support members laterally oppose each other, andwherein the first end portion of the first lower support member is pivotally connected to the first end portion of the first drawing surface support member and the first end portion of the second lower support member is pivotally connected to the first end portion of the second drawing surface support member;a first and second rear support member, wherein each of the first and second rear support members has a first end portion and a second end portion opposite to the first end portion,wherein the first and second rear support members laterally oppose each other,wherein the first end portion of the first rear support member is pivotally connected to one of the first drawing surface support member and the first lower support member, andwherein the first end portion of the second rear support member is pivotally connected to one of the second drawing surface support member and the second lower support member;a cross frame having first and second cross frame members, wherein each of the first and second cross frame members has a first end portion, an intermediate portion, and a second end portion opposite to the first end portion,wherein the first and second cross frame members are pivotally connected to each other at their intermediate portions,wherein the first end portion of the first cross frame member is connected to the first rear support member,wherein the first end portion of the second cross frame member is connected to the second rear support member,wherein the second end portion of the first cross frame member is connected to one of the second drawing surface support member and the second lower support member, andwherein the second end portion of the second cross frame member is connected to one of the first drawing surface support member and the first lower support member;wherein, in an operational configuration: the first and second drawing surface support members are spaced apart and laterally oppose each other, and are configured to connect to the drawing support surface and hold the drawing support surface between the first and second drawing surface support members,the second end portion of the first lower support member is pivoted away from the first drawing surface support member,the second end portion of the second lower support member is pivoted away from the second drawing surface support member,the first rear support member extends at an angle with respect to the one of the first drawing surface support member and the first lower support member,the second rear support member extends at angle with respect to the one of the second drawing surface support member and the second lower support member, andthe second end portion of the first rear support member, the second end portion of the second rear support member, the second end portion of the first lower support member, and the second end portion of the second lower support member are configured to rest on a planar surface, andwherein, in a collapsed configuration, the first drawing surface support member and the first lower support member are pivoted closed, with the second end portion of the first drawing surface support member adjacent to the second end portion of the first lower support member,the second drawing surface support member and the second lower support member are pivoted closed, with the second end portion of the second drawing surface support member adjacent to the second end portion of the second lower support member,the first end portion of the first cross frame member and the first end portion of the second cross frame member are closer to each other than when in the operational configuration,the second end portion of the first cross frame member and the second end portion of the second cross frame member are closer to each other than when in the operational configuration, andthe first and second drawing surface support members, the first and second lower support members, and at least a portion of the first and second rear support members form a bundle. 2. The portable drawing apparatus of claim 1, further comprising a hinged lateral member comprising two portions rotatable about a common pivot, wherein the hinged lateral member is connected at each of two ends to one of: the first and second rear support members,the first and second drawing surface support members, andthe first and second lower support members. 3. The portable drawing apparatus of claim 2, wherein the hinged lateral member is connected at each of two ends to the first and second rear support members, the portable drawing apparatus further comprising: a front hinged lateral member comprising two portions pivotable about a common hinge, the front hinged lateral member connected at each of two ends to the first and second drawing surface support members; anda first and second side lateral member wherein each of the first and second side lateral members has a first end portion and a second end portion opposite to the first end portion,wherein the first end portion of the first side lateral member is connected to the first lower support member and the second end portion of the first side lateral member is connected to the first rear support member, andwherein the first end portion of the second side lateral member is connected to the second lower support member and the second end portion of the second side lateral member is connected to the second rear support member. 4. The portable drawing apparatus of claim 3, further comprising a lower lateral member coupled on opposite ends to the second end portions of the first and second rear support members. 5. The portable drawing apparatus of claim 1, wherein, when in the operational configuration, the first and second drawing surface support members are configured to hold the drawing support surface to provide a planar upwardly and rearwardly reclined surface. 6. The portable drawing apparatus of claim 1, wherein, when in the operational configuration, the first drawing surface support member is substantially parallel to the first lower support member, and the second drawing surface support member is substantially parallel to the second lower support member. 7. The portable drawing apparatus of claim 1, wherein the first and second drawing surface support members and the first and second lower support members are narrow elongated members, and wherein, when in the operational configuration: the first drawing surface support member is substantially parallel to the first lower support member,the second drawing surface support member is substantially parallel to the second lower support member, andthe first drawing surface support member and the first lower support member are laterally opposite to, spaced apart from, and substantially parallel to the second drawing surface support member and the second lower support member. 8. The portable drawing apparatus of claim 1, further comprising a drawing support surface connected to and held between the first and second drawing surface support members when in the operational configuration. 9. The portable drawing apparatus of claim 8, wherein the drawing support surface is removably attachable to the first and second drawing surface support members, and is removed from the first and second drawing surface support members when in the collapsed configuration. 10. The portable drawing apparatus of claim 8, wherein the drawing support surface comprises one of a rigid body configured to detach from the drawing support surface members in the operational configuration before collapsing the portable drawing apparatus and a compliant body configured to remain attached to the drawing surface support members whether in the operational configuration or the collapsed configuration. 11. The portable drawing apparatus of claim 10, wherein the rigid body comprises two panels that are reversibly joinable along a respective inner edge of each panel, and are each configured to connect to a respective drawing surface support member along an outer edge. 12. The portable drawing apparatus of claim 1, wherein the second end portion of the first rear support member is detachable from the first end portion of the first rear support member, wherein the second end portion of the second rear support member is detachable from the first end portion of the second rear support member,wherein the first end portion of the first rear support member is connected to the first drawing surface support member,wherein the first end portion of the second rear support member is connected to the second drawing surface support member,wherein the first end portion of the first cross frame member is attached to the first end portion of the first rear support member,wherein the first end portion of the second cross frame member is attached to the first end portion of the second rear support member,wherein, in the collapsed configuration with the second end portion of the first rear support member detached from the first end portion of the first rear support member and with the second end portion of the second rear support member detached from the first end portion of the second rear support member, a longitudinal dimension of the bundle is substantially less than a length of the portable drawing apparatus in the operational configuration. 13. The portable drawing apparatus of claim 12, wherein the second end portions of the first and second rear support members are curved. 14. The portable drawing apparatus of claim 1, wherein the first and second drawing surface support members, the first and second rear support members, and the first and second lower support members comprise one of elongated tubes and elongated rods. 15. The portable drawing apparatus of claim 1, further comprising a top member having a first end portion and a second end portion, wherein, in the operational configuration: the first end portion of the top member is connected to the second end portion of the first drawing surface support member,the second end portion of the top member is connected to the second end portion of the second drawing surface support member,the top member is reversibly detachable to at least one of the first and second drawing surface support member, andthe top member is configured to extend through a tube containing a consumable drawing medium sheet, to enable the drawing medium sheet to be pulled over an area between the first and second drawing surface support members. 16. The portable drawing apparatus of claim 1, further comprising one or more of: a side pouch reversibly attachable to one of the first and second drawing surface support members;a front tray reversibly connectable to a front region of the portable drawing apparatus; anda lower container reversibly attachable to the first and second lower support members and the first and second rear support members. 17. The portable drawing apparatus of claim 1, wherein the cross frame is a lower cross frame, wherein the second end portion of the first cross frame member of the lower cross frame is connected to the second lower support member, wherein the second end portion of the second cross frame member of the lower cross frame is connected to the first lower support member, and wherein the portable drawing apparatus further comprises: an upper cross frame having first and second upper cross frame members, wherein each of the first and second upper cross frame members has a first end portion, an intermediate portion, and a second end portion opposite to the first end portion,wherein the first and second upper cross frame members are pivotally connected to each other at their intermediate portions,wherein the first end portion of the first upper cross frame member is connected to the first drawing surface support member,wherein the first end portion of the second upper cross frame member is connected to the second drawing surface support member,wherein the second end portion of the first upper cross frame member is connected to the second rear support member, andwherein the second end portion of the second upper cross frame member is connected to the first rear support member. 18. A portable easel comprising: a drawing support surface;a pair of upper support members being substantially mutually parallel and each configured to connect to the drawing support surface;a pair of lower support members, each lower support member pivotally connected to a respective upper support member, wherein the upper support members and the lower support members are configured such that their distal ends can form a mutual angle with respect their pivotal connection that spans a range from about zero degrees to about one hundred eighty degrees;a pair of rear support members each pivotally connected to one of an upper support member and a lower support member;a cross frame comprising two members pivotally connected in their respective central regions, the cross frame connected on each of a first pair of distal ends to one of a respective lower support member and a respective upper support member, and the cross frame connected on each of a second pair of distal ends to a respective rear support member;wherein, in an operational configuration, the upper support members are spaced apart from each other with the drawing support surface held in between, andwherein the upper support members hold the drawing support surface at an incline with respect to a substantially planar surface on which the rear support members and the lower support members are configured to rest, andwherein, in a collapsed configuration, the lower support members, upper support members, rear support members, and cross support members are collapsed in a bundle, andthe upper and lower support members are configured such that their distal ends point in the same direction with respect to the pivotal connections of the upper and lower support members. 19. The portable easel of claim 18, further comprising a hinged lateral member having a central pivot and being connected on opposite ends to one of the pair of rear support members, the pair of lower support members, and the pair of upper support members, wherein the hinged lateral member comprises two portions rotatable about a common pivot and configured to engage into a locked position defining a substantially straight line when in the operational configuration. 20. A portable drawing apparatus, comprising: a drawing support surface;a pair of upper support members being substantially mutually parallel and each configured to connect to the drawing support surface;a pair of lower support members, each lower support member pivotally connected to a respective upper support member, wherein the upper support and the lower support members are configured such that their distal ends can form a mutual angle with respect to the pivotal connection that spans a range from about zero degrees to about one hundred eighty degrees;a pair of rear support members each pivotally connected to one of an upper support member and a lower support member;a lower cross frame comprising two members pivotally connected in their respective central regions, the lower cross frame connected on each of a pair of distal ends to a respective lower support member and on each of a second pair of distal ends to a respective rear support member;an upper cross frame comprising two members pivotally connected in their respective central regions, the upper cross frame connected on each of a pair of distal ends to a respective upper support member and on each of a second pair of distal ends to a respective rear support member;wherein, in an operational configuration, the upper, lower, and rear support members define a substantially rigid easel in which the upper support members are spaced apart from each other with the drawing support surface held in between at an incline with respect to a substantially planar surface on which the rear support members and lower support members are configured to rest, andwherein, in a collapsed configuration, the lower support members, upper support members, rear support members, and upper and lower cross support members are collapsed in a bundle, andthe upper and lower support members are configured such that their distal ends point in the same direction with respect to the pivotal connections of the upper and lower support members.
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