The desk extension is quickly and conveniently attached and removed from the edge of a desk or table to provide additional surface area for the user. The desk extension has two parallel panels or levels when deployed to maximize the available area. The two panels are held parallel to one another whe
The desk extension is quickly and conveniently attached and removed from the edge of a desk or table to provide additional surface area for the user. The desk extension has two parallel panels or levels when deployed to maximize the available area. The two panels are held parallel to one another when deployed, and one panel folds into a recess in the bottom of the other panel for storage when not in use. A clamp mechanism includes two folding clamps that are pivoted beneath the upper plate of the clamp assembly for compact storage when not in use. The clamp mechanism is pivotally attached to the edges of the lower panel to position the two panels horizontally when the extension is attached to a sloped surface, or to position the two panels at an oblique angle, if desired.
대표청구항▼
1. A desk extension, comprising: a base panel having a first surface, a second surface opposite the first surface, a linkage attachment edge, and a clamp extension edge opposite the linkage attachment edge;a desk clamp assembly extending from the base panel;a linkage pivotally extending from the lin
1. A desk extension, comprising: a base panel having a first surface, a second surface opposite the first surface, a linkage attachment edge, and a clamp extension edge opposite the linkage attachment edge;a desk clamp assembly extending from the base panel;a linkage pivotally extending from the linkage attachment edge of the base panel, the linkage having a base panel end and a second panel end opposite the base panel end;at least one base panel limit stop disposed upon the linkage, the base panel limit stop contacting the first surface of the base panel to limit angular rotation of the linkage when deployed;a second panel pivotally extending from the second panel end of the linkage, the second panel having a first surface, a second surface opposite the first surface, and a linkage attachment edge;at least one second panel limit stop disposed upon the second panel end of the linkage, the second panel limit stop contacting the linkage attachment edge of the second panel to limit angular rotation of the second panel when deployed, the base panel and the second panel being parallel to one another when the base panel limit stop engages the base panel and the second panel limit stop engages the second panel; wherein the base panel has opposed first and second lateral edges extending between the linkage attachment edge and the clamp extension edge; the desk clamp assembly comprises: first and second clamp arm locks disposed upon the first and second lateral edges of the base panel, respectively; first and second clamp arms pivotally extending from the first and second clamp arm locks, respectively, the clamp arm locks selectively locking the clamp arms at a predetermined angle relative to the base panel, each of the clamp arms having a distal end; a desk attachment plate extending across the distal ends of the clamp arms, the clamp arms defining a plane, the desk attachment plate being disposed in a plane parallel to the plane of the clamp arms; a clamp attachment plate extending orthogonally from the desk attachment plate; at least one clamp having: an elongate bolt having a base portion pivotally extending from the clamp attachment plate normal thereto, and a threaded clamp portion extending normal to the base portion; a clamp finger slidably disposed upon the clamp portion of the bolt, the clamp finger being disposed parallel to the desk attachment plate when the clamp portion of the bolt is pivoted normal to the desk attachment plate; and an adjustably threaded fastener disposed upon the clamp portion of the bolt, the fastener adjusting the clamp finger relative to the desk attachment plate, the clamp finger and bolt being selectively pivotal to a position parallel to the desk attachment plate for storage. 2. The desk extension according to claim 1, wherein the base panel has a second panel storage receptacle defined in the second surface thereof, the second panel selectively nesting in the second panel storage receptacle of the base panel. 3. The desk extension according to claim 2, wherein: the second panel has a fully deployed state parallel to and non-coplanar with the base panel, and a stored state disposed within the second panel storage receptacle of the base panel;the linkage is pivotal through an arc of substantially 300° between engagement of the base panel limit stop with the first surface of the base panel and a folded state parallel to the base panel; andthe second panel is pivotal through an arc of substantially 240° between engagement of the second panel limit stop with the linkage attachment edge of the second panel and the stored state of the second panel, the second panel pivoting through a combined are of substantially 540° between the fully deployed state and the stored state thereof. 4. The desk extension according to claim 1, further comprising at least one article holder recess defined in the first surface of the second panel. 5. The desk extension according to claim 1, wherein the base panel and the second panel are formed of plastic. 6. A desk extension, comprising: a base panel having a first surface, a second surface opposite the first surface, a linkage attachment edge, a clamp extension edge opposite the linkage attachment edge, and opposed first and second lateral edges extending between the linkage attachment edge and the clamp extension edge;a desk clamp assembly having:first and second clamp arm locks disposed upon the first and second lateral edges of the base panel, respectively;first and second clamp arms pivotally extending from the first and second clamp arm locks, respectively, the clamp arm locks selectively locking the clamp arms at a predetermined angle relative to the base panel, each of the clamp arms having a distal end;a linkage pivotally extending from the linkage attachment edge of the base panel, the linkage having a base panel end and a second panel end opposite the base panel end;a second panel pivotally extending from the second panel end of the linkage, the second panel having a first surface, a second surface opposite the first surface, and a linkage attachment edge; a desk attachment plate extending across the distal ends of the clamp arms, the clamp arms defining a plane, the desk attachment plate being disposed in a plane parallel to the plane of the clamp arms; a clamp attachment plate extending orthogonally from the desk attachment plate; at least one clamp having: an elongate bolt having a base portion pivotally extending from the clamp attachment plate normal thereto, and a threaded clamp portion normal to the base portion; a clamp finger slidably disposed upon the clamp portion of the bolt, the clamp finger being disposed parallel to the desk attachment plate when the clamp portion of the bolt is pivoted normal to the desk attachment plate; and an adjustably threaded fastener disposed upon the clamp portion of the bolt, the fastener adjusting the clamp finger relative to the desk attachment plate, the clamp finger and bolt being selectively pivotal parallel to the desk attachment plate for storage. 7. The desk extension according to claim 6, further comprising: at least one base panel limit stop disposed upon the linkage, the base panel limit stop contacting the first surface of the base panel to limit angular rotation of the linkage when deployed; andat least one second panel limit stop disposed upon the second panel end of the linkage, the second panel limit stop contacting the linkage attachment edge of the second panel to limit angular rotation of the second panel when deployed, the base panel and the second panel being parallel to one another when the base panel limit stop engages the base panel and the second panel limit stop engages the second panel. 8. The desk extension according to claim 7, wherein: the base panel has a second panel storage receptacle defined in the second surface thereof, the second panel selectively nesting in the second panel storage receptacle of the base panel;the second panel has a fully deployed state parallel to and non-coplanar with the base panel, and a stored state disposed within the second panel storage receptacle of the base panel;the linkage is pivotal through an arc of substantially 300° between engagement of the base panel limit stop with the first surface of the base panel and a folded state parallel to the base panel; andthe second panel is pivotal through an arc of substantially 240° between engagement of the second panel limit stop with the linkage attachment edge of the second panel and the stored state of the second panel, the second panel being pivotal through a combined are of substantially 540° between the fully deployed state and the stored state thereof. 9. The desk extension according to claim 6, further comprising at least one article holder recess defined in the first surface of the second panel. 10. The desk extension according to claim 6, wherein the base panel and the second panel are formed of plastic. 11. A desk extension, comprising: a base panel having a first surface, a second surface opposite the first surface, a linkage attachment edge, and a clamp extension edge opposite the linkage attachment edge;a desk clamp assembly extending from the base panel;a linkage pivotally extending from the linkage attachment edge of the base panel, the linkage having a base panel end and a second panel end opposite the base panel end;a second panel pivotally extending from the second panel end of the linkage, the second panel having a first surface, a second surface opposite the first surface, and a linkage attachment edge, the base panel having a second panel storage receptacle defined in the second surface thereof, the second panel selectively nesting in the second panel storage receptacle of the base panel; wherein the base panel has opposed first and second lateral edges extending between the linkage attachment edge and the clamp extension edge; the desk clamp assembly has: first and second clamp arm locks disposed upon the first and second lateral edges of the base panel, respectively; first and second clamp arms pivotally extending from the first and second clamp arm locks, the clamp arm locks selectively locking the clamp arms at a predetermined angle relative to the base panel, each of the clamp arms having a distal end; a desk attachment plate extending across the distal ends of the clamp arms, the clamp arms defining a plane, the desk attachment plate being disposed in a plane parallel to the plane of the clamp arms; a clamp attachment plate extending from the desk attachment plate normal thereto; at least one clamp, having: an elongate bolt having a base portion pivotally extending from the clamp attachment plate normal thereto, and a threaded clamp portion normal to the base portion; a clamp finger slidably disposed upon the clamp portion of the bolt, the clamp finger being disposed parallel to the desk attachment plate when the clamp portion of the bolt is pivoted normal to the desk attachment plate; and an adjustably threaded fastener disposed upon the clamp portion of the bolt, the fastener adjusting the clamp finger relative to the desk attachment plate, the clamp finger and bolt being selectively pivotal parallel to the desk attachment plate for storage. 12. The desk extension according to claim 11, further comprising: at least one base panel limit stop disposed upon the linkage, the base panel limit stop contacting the first surface of the base panel to limit angular rotation of the linkage when deployed; andat least one second panel limit stop disposed upon the second panel end of the linkage, the second panel limit stop contacting the linkage attachment edge of the second panel to limit angular rotation of the second panel when deployed, the base panel and the second panel being parallel to one another when the base panel limit stop engages the base panel and the second panel limit stop engages the second panel. 13. The desk extension according to claim 12, wherein: the second panel has a fully deployed state parallel to and non-coplanar with the base panel, and a stored state disposed within the second panel storage receptacle of the base panel;the linkage is pivotal through an arc of substantially 300° between engagement of the base panel limit stop with the first surface of the base panel and a folded state parallel to the base panel; andthe second panel is pivotal through an arc of substantially 240° between engagement of the second panel limit stop with the linkage attachment edge of the second panel and the stored state of the second panel, the second panel being pivotal through a combined are of substantially 540° between the fully deployed state and the stored state. 14. The desk extension according to claim 11, further comprising at least one article holder recess defined in the first surface of the second panel. 15. The desk extension according to claim 11, wherein the base panel and the second panel are formed of plastic.
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이 특허에 인용된 특허 (13)
Omessi Benjamin (900 Lake Shore Dr. ; Suite 2701 Chicago IL 60611), Adjustable table extension.
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