US20080136296A1 - Student desk with book box - Google Patents
Student desk with book box Download PDFInfo
- Publication number
- US20080136296A1 US20080136296A1 US11/603,532 US60353206A US2008136296A1 US 20080136296 A1 US20080136296 A1 US 20080136296A1 US 60353206 A US60353206 A US 60353206A US 2008136296 A1 US2008136296 A1 US 2008136296A1
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- US
- United States
- Prior art keywords
- leg portion
- wall
- upper leg
- opening
- detent
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Abandoned
Links
- 239000002184 metal Substances 0.000 description 11
- 239000000463 material Substances 0.000 description 6
- 239000004033 plastic Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 239000002991 molded plastic Substances 0.000 description 2
- 229920000877 Melamine resin Polymers 0.000 description 1
- 229910000639 Spring steel Inorganic materials 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- JDSHMPZPIAZGSV-UHFFFAOYSA-N melamine Chemical compound NC1=NC(N)=NC(N)=N1 JDSHMPZPIAZGSV-UHFFFAOYSA-N 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B41/00—School desks or tables
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B9/00—Tables with tops of variable height
- A47B9/20—Telescopic guides
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B12/00—Jointing of furniture or the like, e.g. hidden from exterior
- F16B12/44—Leg joints; Corner joints
- F16B12/52—Metal leg connections
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T403/00—Joints and connections
- Y10T403/32—Articulated members
- Y10T403/32254—Lockable at fixed position
- Y10T403/32467—Telescoping members
- Y10T403/32475—Telescoping members having detent
Definitions
- the present invention generally relates to desks, and more specifically, to a student desk structure having a book box.
- Student desks are commonly used in classrooms for storing books and other educational materials. Many structural configurations for desks use a book box in connection with a frame and legs. Known student desks use a welded metal frame. The metal frame both supports the book box and receives the legs, attaching them to the book box.
- the desk structure of the present invention comprises a writing surface, secured to a book box.
- a plurality of receiver sleeves are integrally molded with the book box.
- Each receiver sleeve has an outer wall and an inner wall.
- the inner wall has a slot and a plurality of radially spaced ribs.
- the inner wall defines an opening.
- the desk structure further comprises a plurality of legs, each with an upper leg portion.
- the upper leg portion of each leg is received by the inner wall opening of a corresponding receiver sleeve.
- Each upper leg portion includes a detent adapted to engage a corresponding inner wall slot when the upper leg portion is received by the inner wall opening of the corresponding receiver sleeve.
- the detent is a protrusion that extends outward from and perpendicular to the upper leg portion.
- the detent partially retracts into the upper leg portion as the upper leg portion is received by the inner wall opening.
- the detent returns to the extended outward position and engages the slot once the upper leg portion is fully received by the opening, positioning the upper leg portion within the opening.
- the ribs of the receiver sleeve inner wall form a press fit with the upper leg portion to further secure the upper leg portion within the opening.
- the leg of the desk structure includes a lower leg portion and a leg extension member.
- the extension member is telescopically received by the lower leg portion.
- Each extension member includes a plurality of vertically aligned holes.
- Each lower leg portion includes a plurality of vertically aligned holes, which correspond to the holds of the extension member.
- FIG. 1 is a perspective front view of an example of a desk structure in an embodiment of the present invention
- FIG. 2 is an exploded perspective front view of an example of a desk structure in an embodiment of the present invention
- FIG. 3 is a bottom view of an example of a receiver sleeve in an embodiment of the present invention.
- FIG. 4 is a top hidden-line view of an example of a receiver sleeve and detent in an embodiment of the present invention
- FIG. 5 is a cross-sectional view of an example of a receiver sleeve in an embodiment of the present invention.
- FIG. 6 is a perspective view of an example of a detent and upper leg portion in an embodiment of the present invention.
- FIG. 7 is a perspective view of an example of a detent in an embodiment of the present invention.
- FIG. 8 is a perspective view of an example of a lower leg portion telescopically receiving an extension member in an embodiment of the present invention.
- FIG. 9 is a bottom perspective view of an example of fasteners securing the writing surface to the book box in an embodiment of the present invention.
- FIGS. 1 and 2 show a perspective front view of an example of a desk structure 10 .
- the desk structure 10 comprises a writing surface 12 secured to a book box 14 .
- the writing surface 12 may be secured using fasteners, preferably screws. However, other fasteners may be used, such as pins or bolts. Other methods of attachment are possible as well, including hingeably attaching the writing surface 12 to the book box 14 .
- the writing surface 12 lays substantially flat on the book box 14 so that students may easily write on it or place other objects upon it. Placement of the writing surface 12 on the book box 14 completes the intended volume of the book box 14 for holding learning materials.
- the writing surface 12 may be constructed of a single molded material, a lamination of wood products and melamine laminates, or a variety of other materials.
- the desk structure 10 further includes a plurality of receiver sleeves 16 located about the exterior of the book box 12 .
- the receiver sleeves 16 are each integrally molded with the book box 14 at each of the four corners of the book box 14 .
- the receiver sleeves 16 may be located at other locations of the book box 14 .
- the receiver sleeves are cylindrically tapered; however, the receiver sleeves 16 may be formed with other internal and external geometries. While the book box 14 and receiver sleeves 16 are preferably made out of molded plastic, other suitable materials may be used.
- each receiver sleeve 16 has an outer wall 18 and an inner wall 20 .
- the inner wall 20 defines an opening 22 .
- the inner wall 20 has a slot 24 and a plurality of radially spaced ribs 26 .
- the slot 24 and ribs 26 are integrally molded with the receiver sleeve 16 .
- the inner wall 20 may include a guiding notch 28 , which is also integrally molded with the receiver sleeve 16 .
- the notch 28 extends along the full length of the receiver sleeve 16 , and its depth varies due to the tapered shape of the receiver sleeve 16 .
- the notch is positioned so that it is aligned with the slot 24 , as shown by FIG. 5 .
- the slot 24 and ribs 26 are located near the top of the receiver sleeve inner wall 20 .
- the slot 24 and ribs 26 may be located at alternative positions of the inner wall 20 .
- the desk structure 10 further comprises a plurality of legs 30 .
- Each leg 30 includes an upper leg portion 32 .
- the upper leg portion 32 of each leg 30 is received by the inner wall opening 22 of a corresponding receiver sleeve 16 .
- the receiver sleeves 16 act to secure the legs 30 to the book box 14 .
- the plastic book box 14 both provides structural support for the desk structure 10 and connects the legs 30 to the book box 14 . This eliminates the need for a bulky metal frame.
- each upper leg portion 32 includes a detent 36 .
- the detent 36 is adapted to engage a corresponding inner wall slot 24 when the upper leg portion 32 is received by the inner wall opening 22 of the corresponding receiver sleeve 16 , as shown by FIG. 4 .
- the detent 36 secures the leg 30 to the receiver sleeve 16 of the book box 14 .
- the detent 36 is a protrusion that extends outward from and perpendicular to the upper leg portion 32 . By engaging the slot 24 , the detent 36 positions the upper leg portion 32 within the opening 22 .
- the detent 36 may be a snap button.
- Acceptable types of snap buttons 36 include those manufactured out of 1050 Spring Steel by Valco®/Valley Tool and Die, Inc., 10020 York Theta Drive, North Royalton, Ohio 44133.
- the snap button 36 may be generally V-shaped, having two prongs 38 , wherein one prong 38 includes a button head 40 .
- Other types of snap buttons may also be used.
- the snap button 36 is spring-loaded. To position the snap button 36 within the upper leg portion 32 , the prongs 38 are compressed, and the button snap 36 is placed in the upper leg portion 32 . As shown by FIG.
- the snap button 36 may be positioned such that the prong 38 with the button head 40 is generally parallel to the upper leg portion 32 .
- the spring-loaded force creates a press fit between the prongs 38 and the upper leg portion 32 . This secures the snap button 36 within the upper leg portion 32 .
- the snap button 36 is further positioned so that the button head 40 of the snap button 36 extends outward from and perpendicular to the upper leg portion 32 through an aperture 42 , as shown in FIG. 6 . While a V-shaped Valco snap button 36 is preferred, other snap buttons may be used as well. Furthermore, other types of detents 36 , other than snap buttons, may also be used to position and secure the upper leg portion 32 within the opening 22 .
- the upper leg portion 32 When the upper leg portion 32 is inserted into opening 22 , the upper leg portion is initially oriented so that the button head 40 of the snap button 36 is aligned with the notch 28 . The notch 28 guides the upper leg portion 32 so that the snap button 36 will properly engage the slot 24 of the inner wall 20 . Once the upper leg portion 32 is properly aligned, force is applied to slide the upper leg portion 32 into the opening 22 . This force causes the button head 40 of the snap button 36 to partially retract back into the upper leg portion 32 as the upper leg portion 32 is received by the inner wall opening 22 . The press fit between the prongs 38 of the snap button 36 and the upper leg portion 32 prevents the snap button 36 from substantially moving as the button head 40 retracts through the aperture 42 .
- the button head 40 slides up the notch 28 , it does not need to fully retract into the upper leg portion 32 as the upper leg portion 32 is received by the opening 22 .
- the snap button 36 will return to the extended outward position and engage the slot 24 once the upper leg portion 32 is fully received by the opening 22 .
- other snap buttons 36 may be used.
- the snap button 36 may include a button head 40 that extends out from the upper leg portion 32 in a different direction.
- a snap button is preferred, other suitable detents 36 may also be used.
- the leg 30 may also be connected to the book box 14 by inserting the leg 30 into the receiver sleeve 16 through the top portion of the receiver sleeve 16 , opposite the opening 22 .
- the leg 30 is inserted into the receiver sleeve 16 until the upper leg portion 32 is received by the inner wall 20 of the receiver sleeve 16 .
- the detent 36 is located at the upper leg portion 32 , the detent 36 can essentially be dropped into the slot 24 , as opposed to retracting and then extending into the slot 24 .
- the detent 36 can be aligned with the slot 24 after insertion of the leg 30 has begun by simply rotating the leg 30 .
- the leg 30 can only be inserted into the top portion of the receiver sleeve 16 if the writing surface 12 is not yet secured to the book box 14 .
- the detent 36 engages the slot 24 , movement of the upper leg portion 32 is substantially prevented.
- the detent 36 cannot be easily accessed once it has engaged the slot 24 and the writing surface 12 has been secured to the book box 14 .
- the slot 24 does not extend past the outer wall 18 of the receiver sleeve 16 .
- the detent 36 is essentially enclosed by the receiver sleeve 16 when the detent 36 is engaged with the slot 24 .
- the detent 36 is covered by the writing surface 12 . Therefore, once the writing surface 12 is secured to the book box 14 and the upper leg portion 32 is received by the opening 22 , the detent 36 is essentially tamper proof. It is not accessible without disassembling the desk structure 10 by removing the writing surface 12 . This ensures that students will not be able to disassemble the desk structure 10 and potentially injure themselves, thereby creating for a safer classroom environment.
- the ribs 26 of the receiver sleeve inner wall 20 form a press fit with the upper leg portion 32 . This further secures the upper leg portion 32 within the opening 22 , creating stability for the desk structure 10 .
- the ribs 26 may be used in conjunction with the detent 36 , or the ribs 26 alone may be used to ensure that the upper leg portion 32 is secured within the opening 22 .
- the tapered shape of the receiver sleeves 16 increases the stability of the legs 30 .
- the narrower and more tapered bottom of the receiver sleeve 16 decreases the amount of excess room between the receiver sleeve inner wall 20 and the upper leg portion 32 . Thus, there is less “wobble room” for the legs 30 .
- the leg 30 includes a lower leg portion 34 and a leg extension member 44 .
- Each extension member 44 is telescopically received by the lower leg portion 34 .
- the extension member 44 should be sized to be receivable by the lower leg portion 34 .
- Each extension member 44 includes a plurality of vertically aligned holes 46 .
- each lower leg portion 34 may include a plurality of vertically aligned holes 48 . The holes 48 of the lower leg portion 34 allow for a range of different assembly heights.
- the lower leg holes 48 are designed to correspond to the extension member holes 46 .
- the holes 46 of the extension member 44 and the holes 48 of the lower leg portion 34 can be lined up such that a range of heights can be achieved.
- the lower leg portion 34 may receive nearly the entire length of the extension member 44 in order to provide for a shorter desk structure 10 .
- the extension member 44 may be extended to its maximum height, in which case a minimum amount of the extension member 44 is received by the lower leg portion 34 . In either scenario, the extension member 44 will provide enough support to ensure the stability of the desk structure 10 .
- One or more fasteners 50 pass through aligned holes 46 of the extension member and holes 48 of the lower leg portion.
- the fasteners 50 are screws.
- other fasteners such as pins or bolts may also be used to secure the extension member 44 to the lower leg portion 34 .
- the holes 46 of the extension member 44 are formed, punched, and tapped.
- the fasteners 50 secure the extension member 44 to the lower leg portion 34 at the desired height, ensuring that movement of the extension member 44 will be substantially prevented.
- two or more fasteners 50 are used to secure the extension member 44 ; however, it is contemplated that only one fastener 50 may secure the extension member 44 to the lower leg portion 34 .
- the desk structure 10 may be tall enough without attachment of the extension members 44 , wherein the legs 30 alone may provide the book box 14 with sufficient stability and height.
- the book box 14 may comprise a back wall 52 , two side walls 54 , and a bottom wall 56 .
- the walls are preferably formed from molded plastic.
- the two side walls 54 are parallel to one another and perpendicular to the back wall 52 .
- the bottom wall 56 is perpendicular to the back wall 52 and substantially parallel to the writing surface 12 .
- the walls 52 , 54 , and 56 of the book box 14 are integrally molded with one another.
- the book box 14 is enclosed on five sides.
- the front of the book box 14 is open for easy access to books and other educational materials.
- the book box 14 may comprise a closed volume, in which all six sides of the box are closed.
- the walls 52 , 54 , and 56 of the book box may form other geometries.
- the receiver sleeves 16 are located adjacent to the side wall 54 and bottom wall 56 . This configuration, with the receiver sleeves 16 located at the four corners of the book box 14 , allows for maximum utilization of the storage volume provided by the book box 14 .
- a fastener 58 secures the writing surface 12 to the book box 14 .
- the side and back walls 54 , 52 include flanges at multiple peripheral locations for securing the writing surface 12 to the book box 14 .
- a fastener 58 preferably a screw, passes through the underside of the flanges and secures the bottom of the writing surface 12 to the book box 14 .
- Other fasteners such as pins or bolts may also be used. This configuration positions the fasteners 58 so that they are not protruding from the desk structure 10 in an unseemly fashion.
- the writing surface 12 may be hingeably attached such that it can open and close, while staying connected to the book box 14 .
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Tables And Desks Characterized By Structural Shape (AREA)
- Purses, Travelling Bags, Baskets, Or Suitcases (AREA)
- Details Of Rigid Or Semi-Rigid Containers (AREA)
- Casings For Electric Apparatus (AREA)
Abstract
The present invention is related to a desk structure. The desk structure comprises a writing surface, and a book box which is secured to the writing surface. A plurality of receiver sleeves are integrally molded with the book box. Each receiver sleeve has an outer wall and an inner wall. The inner wall of the receiver sleeve has a slot and a plurality of radially spaced ribs. The inner wall defines an opening. The desk structure further comprises a plurality of legs. Each leg has an upper leg portion. The upper leg portion of each leg is received by the inner wall opening of a corresponding receiver sleeve. Additionally, each upper leg portion includes a detent. The detent is adapted to engage a corresponding inner wall slot when the upper leg portion is received by the inner wall opening of the corresponding receiver sleeve. Thus, the detent both secures the leg to the book box and positions the upper leg portion within the opening.
Description
- The present invention generally relates to desks, and more specifically, to a student desk structure having a book box.
- Student desks are commonly used in classrooms for storing books and other educational materials. Many structural configurations for desks use a book box in connection with a frame and legs. Known student desks use a welded metal frame. The metal frame both supports the book box and receives the legs, attaching them to the book box.
- Although book boxes have been constructed of plastic in the past, they have not provided any structural support for the accompanying legs and desktop. A metal frame has been used with these plastic book boxes in order to provide the necessary support for the desk box and to connect the legs to the book box. The difficulty in using a welded metal frame is that while it provides the proper support and connection, it is very bulky. The metal frame takes up valuable cargo space in a truck or container, making it difficult and costly to transport the desks.
- Further, if a desk structure is shipped without the metal frame attached, assembly generally requires the use of tools and takes a number of steps. Thus, attempts to solve the shipping problem by shipping the desk structure, disassembled from the welded metal frame and legs have not been adequate.
- Additionally, known student desks can be easily disassembled. This creates a potential hazard in the classroom. Students may be able to take apart the individual metal pieces of their desk structures, and use the metal pieces as weapons. Therefore, a desk structure that is not easily disassembled is needed.
- The present invention is provided to solve the above and other problems, and to provide advantages and aspects not previously provided. A full discussion of the features and advantages of the present invention is deferred to the following detailed description, which proceeds with reference to the accompanying drawings.
- The desk structure of the present invention comprises a writing surface, secured to a book box. A plurality of receiver sleeves are integrally molded with the book box. Each receiver sleeve has an outer wall and an inner wall. The inner wall has a slot and a plurality of radially spaced ribs. The inner wall defines an opening. The desk structure further comprises a plurality of legs, each with an upper leg portion. The upper leg portion of each leg is received by the inner wall opening of a corresponding receiver sleeve. Each upper leg portion includes a detent adapted to engage a corresponding inner wall slot when the upper leg portion is received by the inner wall opening of the corresponding receiver sleeve.
- In one embodiment, the detent is a protrusion that extends outward from and perpendicular to the upper leg portion. The detent partially retracts into the upper leg portion as the upper leg portion is received by the inner wall opening. The detent returns to the extended outward position and engages the slot once the upper leg portion is fully received by the opening, positioning the upper leg portion within the opening.
- Once the detent engages the slot, movement of the upper leg portion is substantially prevented. The ribs of the receiver sleeve inner wall form a press fit with the upper leg portion to further secure the upper leg portion within the opening.
- In another embodiment, the leg of the desk structure includes a lower leg portion and a leg extension member. The extension member is telescopically received by the lower leg portion. Each extension member includes a plurality of vertically aligned holes. Each lower leg portion includes a plurality of vertically aligned holes, which correspond to the holds of the extension member.
- A better understanding of the present invention can be obtained by considering the following detailed description and the accompanying drawings in which:
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FIG. 1 is a perspective front view of an example of a desk structure in an embodiment of the present invention; -
FIG. 2 is an exploded perspective front view of an example of a desk structure in an embodiment of the present invention; -
FIG. 3 is a bottom view of an example of a receiver sleeve in an embodiment of the present invention; -
FIG. 4 is a top hidden-line view of an example of a receiver sleeve and detent in an embodiment of the present invention; -
FIG. 5 is a cross-sectional view of an example of a receiver sleeve in an embodiment of the present invention; -
FIG. 6 is a perspective view of an example of a detent and upper leg portion in an embodiment of the present invention; -
FIG. 7 is a perspective view of an example of a detent in an embodiment of the present invention; -
FIG. 8 is a perspective view of an example of a lower leg portion telescopically receiving an extension member in an embodiment of the present invention; and -
FIG. 9 is a bottom perspective view of an example of fasteners securing the writing surface to the book box in an embodiment of the present invention. - While the present invention is susceptible of many different embodiments, there is shown in the drawings and will herein be described in detail preferred embodiments of the invention with the understanding that the present disclosure is to be considered an exemplification of the principles of the invention and is not intended to limit the broad aspect of the invention to the embodiments illustrated.
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FIGS. 1 and 2 show a perspective front view of an example of adesk structure 10. Thedesk structure 10 comprises awriting surface 12 secured to abook box 14. Thewriting surface 12 may be secured using fasteners, preferably screws. However, other fasteners may be used, such as pins or bolts. Other methods of attachment are possible as well, including hingeably attaching thewriting surface 12 to thebook box 14. Thewriting surface 12 lays substantially flat on thebook box 14 so that students may easily write on it or place other objects upon it. Placement of thewriting surface 12 on thebook box 14 completes the intended volume of thebook box 14 for holding learning materials. Thewriting surface 12 may be constructed of a single molded material, a lamination of wood products and melamine laminates, or a variety of other materials. - The
desk structure 10 further includes a plurality ofreceiver sleeves 16 located about the exterior of thebook box 12. Preferably, thereceiver sleeves 16 are each integrally molded with thebook box 14 at each of the four corners of thebook box 14. However, thereceiver sleeves 16 may be located at other locations of thebook box 14. In one embodiment, the receiver sleeves are cylindrically tapered; however, thereceiver sleeves 16 may be formed with other internal and external geometries. While thebook box 14 andreceiver sleeves 16 are preferably made out of molded plastic, other suitable materials may be used. - As shown by
FIGS. 3-5 , eachreceiver sleeve 16 has anouter wall 18 and aninner wall 20. Theinner wall 20 defines anopening 22. Theinner wall 20 has aslot 24 and a plurality of radially spacedribs 26. Theslot 24 andribs 26 are integrally molded with thereceiver sleeve 16. In addition, theinner wall 20 may include a guidingnotch 28, which is also integrally molded with thereceiver sleeve 16. Thenotch 28 extends along the full length of thereceiver sleeve 16, and its depth varies due to the tapered shape of thereceiver sleeve 16. The notch is positioned so that it is aligned with theslot 24, as shown byFIG. 5 . In a preferred embodiment, theslot 24 andribs 26 are located near the top of the receiver sleeveinner wall 20. However, theslot 24 andribs 26 may be located at alternative positions of theinner wall 20. - As shown by
FIGS. 1 and 2 , thedesk structure 10 further comprises a plurality oflegs 30. Eachleg 30 includes anupper leg portion 32. Theupper leg portion 32 of eachleg 30 is received by the inner wall opening 22 of a correspondingreceiver sleeve 16. Thereceiver sleeves 16 act to secure thelegs 30 to thebook box 14. Thus, because thereceiver sleeves 16 are integrally molded with thebook box 14, theplastic book box 14 both provides structural support for thedesk structure 10 and connects thelegs 30 to thebook box 14. This eliminates the need for a bulky metal frame. - As shown by
FIG. 6 , eachupper leg portion 32 includes adetent 36. Thedetent 36 is adapted to engage a correspondinginner wall slot 24 when theupper leg portion 32 is received by the inner wall opening 22 of the correspondingreceiver sleeve 16, as shown byFIG. 4 . Thus, thedetent 36 secures theleg 30 to thereceiver sleeve 16 of thebook box 14. In one embodiment, thedetent 36 is a protrusion that extends outward from and perpendicular to theupper leg portion 32. By engaging theslot 24, thedetent 36 positions theupper leg portion 32 within theopening 22. - In one embodiment, the
detent 36 may be a snap button. Acceptable types ofsnap buttons 36 include those manufactured out of 1050 Spring Steel by Valco®/Valley Tool and Die, Inc., 10020 York Theta Drive, North Royalton, Ohio 44133. As shown inFIG. 7 , thesnap button 36 may be generally V-shaped, having twoprongs 38, wherein oneprong 38 includes abutton head 40. Other types of snap buttons may also be used. Thesnap button 36 is spring-loaded. To position thesnap button 36 within theupper leg portion 32, theprongs 38 are compressed, and thebutton snap 36 is placed in theupper leg portion 32. As shown byFIG. 6 , thesnap button 36 may be positioned such that theprong 38 with thebutton head 40 is generally parallel to theupper leg portion 32. The spring-loaded force creates a press fit between theprongs 38 and theupper leg portion 32. This secures thesnap button 36 within theupper leg portion 32. Thesnap button 36 is further positioned so that thebutton head 40 of thesnap button 36 extends outward from and perpendicular to theupper leg portion 32 through anaperture 42, as shown inFIG. 6 . While a V-shapedValco snap button 36 is preferred, other snap buttons may be used as well. Furthermore, other types ofdetents 36, other than snap buttons, may also be used to position and secure theupper leg portion 32 within theopening 22. - When the
upper leg portion 32 is inserted intoopening 22, the upper leg portion is initially oriented so that thebutton head 40 of thesnap button 36 is aligned with thenotch 28. Thenotch 28 guides theupper leg portion 32 so that thesnap button 36 will properly engage theslot 24 of theinner wall 20. Once theupper leg portion 32 is properly aligned, force is applied to slide theupper leg portion 32 into theopening 22. This force causes thebutton head 40 of thesnap button 36 to partially retract back into theupper leg portion 32 as theupper leg portion 32 is received by theinner wall opening 22. The press fit between theprongs 38 of thesnap button 36 and theupper leg portion 32 prevents thesnap button 36 from substantially moving as thebutton head 40 retracts through theaperture 42. Further, because thebutton head 40 slides up thenotch 28, it does not need to fully retract into theupper leg portion 32 as theupper leg portion 32 is received by theopening 22. Thesnap button 36 will return to the extended outward position and engage theslot 24 once theupper leg portion 32 is fully received by theopening 22. As mentioned above,other snap buttons 36 may be used. For example, thesnap button 36 may include abutton head 40 that extends out from theupper leg portion 32 in a different direction. Further, while a snap button is preferred, othersuitable detents 36 may also be used. - The
leg 30 may also be connected to thebook box 14 by inserting theleg 30 into thereceiver sleeve 16 through the top portion of thereceiver sleeve 16, opposite theopening 22. Theleg 30 is inserted into thereceiver sleeve 16 until theupper leg portion 32 is received by theinner wall 20 of thereceiver sleeve 16. Because thedetent 36 is located at theupper leg portion 32, thedetent 36 can essentially be dropped into theslot 24, as opposed to retracting and then extending into theslot 24. Thedetent 36 can be aligned with theslot 24 after insertion of theleg 30 has begun by simply rotating theleg 30. Thus, there is no need to perform the initial alignment with thenotch 28. However, theleg 30 can only be inserted into the top portion of thereceiver sleeve 16 if the writingsurface 12 is not yet secured to thebook box 14. - Once the
detent 36 engages theslot 24, movement of theupper leg portion 32 is substantially prevented. Thedetent 36 cannot be easily accessed once it has engaged theslot 24 and the writingsurface 12 has been secured to thebook box 14. As shown byFIG. 4 , theslot 24 does not extend past theouter wall 18 of thereceiver sleeve 16. Thus, thedetent 36 is essentially enclosed by thereceiver sleeve 16 when thedetent 36 is engaged with theslot 24. Additionally, thedetent 36 is covered by the writingsurface 12. Therefore, once the writingsurface 12 is secured to thebook box 14 and theupper leg portion 32 is received by theopening 22, thedetent 36 is essentially tamper proof. It is not accessible without disassembling thedesk structure 10 by removing the writingsurface 12. This ensures that students will not be able to disassemble thedesk structure 10 and potentially injure themselves, thereby creating for a safer classroom environment. - Once the
upper leg portion 32 is received by theopening 22 of theinner wall 20, theribs 26 of the receiver sleeveinner wall 20 form a press fit with theupper leg portion 32. This further secures theupper leg portion 32 within theopening 22, creating stability for thedesk structure 10. Theribs 26 may be used in conjunction with thedetent 36, or theribs 26 alone may be used to ensure that theupper leg portion 32 is secured within theopening 22. - Additionally, the tapered shape of the
receiver sleeves 16 increases the stability of thelegs 30. The narrower and more tapered bottom of thereceiver sleeve 16 decreases the amount of excess room between the receiver sleeveinner wall 20 and theupper leg portion 32. Thus, there is less “wobble room” for thelegs 30. - No tools are required to connect the
legs 30 to thebook box 14, as thedetent 36 and theribs 26 secure theupper leg portion 32 within theopening 22. This reduces the time and cost associated with assembly. Further, transportation of thedesk structure 10 without thelegs 30 attached allows for easier storage and shipment. The individual components of thedesk structure 10 can easily be stacked into a more compact formation. This is in stark contrast to current desks which have bulky metal frames and are difficult to economically ship. The ease of assembly provided by the present invention reduces the need to assemble thedesk structure 10 prior to shipping. Thus, a greater number ofdesk structures 10 may be shipped in each shipment. The end result is a much more cost-effective method of shipping thedesk structures 10. - In another embodiment, as shown by
FIGS. 1 and 2 , theleg 30 includes alower leg portion 34 and aleg extension member 44. Eachextension member 44 is telescopically received by thelower leg portion 34. Thus, theextension member 44 should be sized to be receivable by thelower leg portion 34. Eachextension member 44 includes a plurality of vertically aligned holes 46. Additionally, eachlower leg portion 34 may include a plurality of vertically aligned holes 48. Theholes 48 of thelower leg portion 34 allow for a range of different assembly heights. - As shown by
FIG. 8 , the lower leg holes 48 are designed to correspond to the extension member holes 46. Thus, when theextension member 44 is received by thelower leg portion 34, theholes 46 of theextension member 44 and theholes 48 of thelower leg portion 34 can be lined up such that a range of heights can be achieved. For example, thelower leg portion 34 may receive nearly the entire length of theextension member 44 in order to provide for ashorter desk structure 10. Alternatively, theextension member 44 may be extended to its maximum height, in which case a minimum amount of theextension member 44 is received by thelower leg portion 34. In either scenario, theextension member 44 will provide enough support to ensure the stability of thedesk structure 10. - One or
more fasteners 50 pass through alignedholes 46 of the extension member and holes 48 of the lower leg portion. Preferably, thefasteners 50 are screws. However, other fasteners such as pins or bolts may also be used to secure theextension member 44 to thelower leg portion 34. When the preferred screws are used, theholes 46 of theextension member 44 are formed, punched, and tapped. Thefasteners 50 secure theextension member 44 to thelower leg portion 34 at the desired height, ensuring that movement of theextension member 44 will be substantially prevented. Preferably two ormore fasteners 50 are used to secure theextension member 44; however, it is contemplated that only onefastener 50 may secure theextension member 44 to thelower leg portion 34. Alternatively, thedesk structure 10 may be tall enough without attachment of theextension members 44, wherein thelegs 30 alone may provide thebook box 14 with sufficient stability and height. - As shown in
FIG. 2 , thebook box 14 may comprise aback wall 52, twoside walls 54, and abottom wall 56. As mentioned above, the walls are preferably formed from molded plastic. The twoside walls 54 are parallel to one another and perpendicular to theback wall 52. Thebottom wall 56 is perpendicular to theback wall 52 and substantially parallel to the writingsurface 12. Thewalls book box 14 are integrally molded with one another. Thus, thebook box 14 is enclosed on five sides. In one embodiment, the front of thebook box 14 is open for easy access to books and other educational materials. However, it is also contemplated that thebook box 14 may comprise a closed volume, in which all six sides of the box are closed. Additionally, thewalls FIG. 2 , thereceiver sleeves 16 are located adjacent to theside wall 54 andbottom wall 56. This configuration, with thereceiver sleeves 16 located at the four corners of thebook box 14, allows for maximum utilization of the storage volume provided by thebook box 14. - In another embodiment, as shown in
FIG. 9 , afastener 58 secures the writingsurface 12 to thebook box 14. The side andback walls surface 12 to thebook box 14. Afastener 58, preferably a screw, passes through the underside of the flanges and secures the bottom of the writingsurface 12 to thebook box 14. Other fasteners such as pins or bolts may also be used. This configuration positions thefasteners 58 so that they are not protruding from thedesk structure 10 in an unseemly fashion. Alternatively, as mentioned above, the writingsurface 12 may be hingeably attached such that it can open and close, while staying connected to thebook box 14. - While the specific embodiments have been illustrated and described, numerous modifications come to mind without significantly departing from the spirit of the invention, and the scope of protection is only limited by the scope of the accompanying Claims.
Claims (21)
1. A desk structure comprising:
a writing surface;
a book box secured to the writing surface;
a plurality of receiver sleeves integrally molded with the book box, each receiver sleeve having an outer wall and an inner wall, the inner wall having a slot and a plurality of radially spaced ribs, the inner wall defining an opening;
a plurality of legs, each leg having an upper leg portion, wherein the upper leg portion of each leg is received by the inner wall opening of a corresponding receiver sleeve;
each upper leg portion including a detent adapted to engage a corresponding inner wall slot when the upper leg portion is received by the inner wall opening of the corresponding receiver sleeve.
2. The desk structure of claim 1 , wherein the detent is a protrusion that extends outward from and perpendicular to the upper leg portion, positioning the upper leg portion within the opening.
3. The desk structure of claim 2 , wherein the detent partially retracts into the upper leg portion as the upper leg portion is received by the inner wall opening, the detent returning to the extended outward position and engaging the slot once the upper leg portion is fully received by the opening.
4. The desk structure of claim 3 , wherein the detent is a snap button comprising two prongs and a button head.
5. The desk structure of claim 1 , wherein once the detent engages the slot, movement of the upper leg portion is substantially prevented.
6. The desk structure of claim 1 , wherein the ribs of the receiver sleeve inner wall form a press fit with the upper leg portion to secure the upper leg portion within the opening.
7. The desk structure of claim 1 , wherein each leg includes a lower leg portion and a leg extension member, the leg extension member being telescopically received by the lower leg portion.
8. The desk structure of claim 7 , wherein each extension member includes a plurality of vertically aligned holes.
9. The desk structure of claim 8 , wherein each lower leg portion includes a plurality of vertically aligned holes, the holes of the lower leg portion corresponding to the holes of the extension member.
10. The desk structure of claim 9 , wherein a fastener passes through the corresponding holes of the extension member and the lower leg portion and secures the extension member to the lower leg portion.
11. The desk structure of claim 1 , wherein the book box comprises a back wall, two side walls, and a bottom wall.
12. A desk structure comprising:
a writing surface;
a book box secured to the writing surface;
a plurality of receiver sleeves integrally molded with the book box, each receiver sleeve having an outer wall and an inner wall, the inner wall having a slot and a plurality of radially spaced ribs, the inner wall defining an opening;
a plurality of legs, each leg having an upper leg portion, wherein the upper leg portion of each leg is received by the inner wall opening of a corresponding receiver sleeve;
each upper leg portion including a detent adapted to engage a corresponding inner wall slot when the upper leg portion is received by the inner wall opening of the corresponding receiver sleeve, wherein once the detent engages the slot, movement of the upper leg portion is substantially prevented.
13. The desk structure of claim 12 , wherein the detent is a protrusion that extends outward from and perpendicular to the upper leg portion, the detent partially retracting into the upper leg portion as the upper leg portion is received by the inner wall opening, the detent returning to the extended outward position and engaging the slot once the upper leg portion is fully received by the opening, the detent positioning the upper leg within the opening.
14. The desk structure of claim 12 , wherein the ribs of the receiver sleeve inner wall form a press fit with the upper leg portion to secure the upper leg portion within the opening.
15. The desk structure of claim 12 , wherein each leg includes a lower leg portion and a leg extension member, the leg extension member being telescopically received by the lower leg portion.
16. The desk structure of claim 15 , wherein the lower leg portion includes a plurality of vertically aligned holes that correspond to a plurality of vertically aligned holes on the extension member.
17. The desk structure of claim 12 , wherein the book box comprises a back wall, two side walls, and a bottom wall.
18. The desk structure of claim 17 , wherein the receiver sleeve is adjacent to one side wall and the bottom wall.
19. A desk structure comprising:
a writing surface;
a book box secured to the writing surface;
a plurality of receiver sleeves integrally molded with the book box, each receiver sleeve having an outer wall and an inner wall, the inner wall having a slot and a plurality of radially spaced ribs, the inner wall defining an opening;
a plurality of legs, each leg having an upper leg portion, wherein the upper leg portion of each leg is received by the inner wall opening of a corresponding receiver sleeve;
each upper leg portion including a detent adapted to engage a corresponding inner wall slot when the upper leg portion is received by the inner wall opening of the corresponding receiver sleeve, wherein once the detent engages the slot, movement of the upper leg is substantially prevented, the ribs of the receiver sleeve inner wall forming a press fit and further securing the upper leg portion within the opening.
20. The desk structure of claim 19 , wherein the detent is a protrusion that extends outward from and perpendicular to the upper leg portion, the detent retracting into the upper leg portion as the upper leg portion is received by the inner wall opening, the detent returning to the extended outward position and engaging the slot once the upper leg portion is fully received by the opening, the detent positioning the upper leg within the opening.
21. The desk structure of claim 19 , wherein each leg includes a lower leg portion and a leg extension member, the leg extension member being telescopically received by the lower leg portion.
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/603,532 US20080136296A1 (en) | 2006-11-22 | 2006-11-22 | Student desk with book box |
CA2670344A CA2670344C (en) | 2006-11-22 | 2007-11-19 | Improved student desk with book box |
CA2898056A CA2898056C (en) | 2006-11-22 | 2007-11-19 | Improved student desk with book box |
PCT/US2007/024139 WO2008066723A2 (en) | 2006-11-22 | 2007-11-19 | Improved student desk with book box |
US29/349,342 USD625532S1 (en) | 2006-11-22 | 2010-03-25 | Desk |
US29/375,146 USD661142S1 (en) | 2006-11-22 | 2010-09-17 | Desk |
US13/175,418 US8186284B2 (en) | 2006-11-22 | 2011-07-01 | Student desk with book box |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/603,532 US20080136296A1 (en) | 2006-11-22 | 2006-11-22 | Student desk with book box |
Related Child Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US29/349,342 Continuation USD625532S1 (en) | 2006-11-22 | 2010-03-25 | Desk |
US13/175,418 Continuation US8186284B2 (en) | 2006-11-22 | 2011-07-01 | Student desk with book box |
Publications (1)
Publication Number | Publication Date |
---|---|
US20080136296A1 true US20080136296A1 (en) | 2008-06-12 |
Family
ID=39468461
Family Applications (4)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US11/603,532 Abandoned US20080136296A1 (en) | 2006-11-22 | 2006-11-22 | Student desk with book box |
US29/349,342 Active USD625532S1 (en) | 2006-11-22 | 2010-03-25 | Desk |
US29/375,146 Active USD661142S1 (en) | 2006-11-22 | 2010-09-17 | Desk |
US13/175,418 Expired - Fee Related US8186284B2 (en) | 2006-11-22 | 2011-07-01 | Student desk with book box |
Family Applications After (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US29/349,342 Active USD625532S1 (en) | 2006-11-22 | 2010-03-25 | Desk |
US29/375,146 Active USD661142S1 (en) | 2006-11-22 | 2010-09-17 | Desk |
US13/175,418 Expired - Fee Related US8186284B2 (en) | 2006-11-22 | 2011-07-01 | Student desk with book box |
Country Status (3)
Country | Link |
---|---|
US (4) | US20080136296A1 (en) |
CA (2) | CA2670344C (en) |
WO (1) | WO2008066723A2 (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20100171398A1 (en) * | 2009-01-03 | 2010-07-08 | Gilles Berthiaume | Desk |
US8186284B2 (en) | 2006-11-22 | 2012-05-29 | Artco-Bell | Student desk with book box |
US9364087B1 (en) * | 2015-10-27 | 2016-06-14 | Michael Sharperson | Multi-purpose table |
CN105996471A (en) * | 2016-05-12 | 2016-10-12 | 王百川 | Multi-volume desk for student |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8168284B2 (en) | 2005-10-06 | 2012-05-01 | Wisconsin Alumni Research Foundation | Fabrication of complex three-dimensional structures based on directed assembly of self-assembling materials on activated two-dimensional templates |
US8618221B2 (en) * | 2005-10-14 | 2013-12-31 | Wisconsin Alumni Research Foundation | Directed assembly of triblock copolymers |
US9183870B2 (en) | 2007-12-07 | 2015-11-10 | Wisconsin Alumni Research Foundation | Density multiplication and improved lithography by directed block copolymer assembly |
US9299381B2 (en) | 2011-02-07 | 2016-03-29 | Wisconsin Alumni Research Foundation | Solvent annealing block copolymers on patterned substrates |
USD661620S1 (en) * | 2011-04-05 | 2012-06-12 | Leroux David J | Snap button fastener |
USD778089S1 (en) | 2016-05-19 | 2017-02-07 | Steelcase Inc. | Table |
US11547205B2 (en) * | 2019-08-14 | 2023-01-10 | Studio Designs, Inc. | Collapsible measuring and cutting craft table |
US11172757B2 (en) | 2020-03-23 | 2021-11-16 | Smith System Manufacturing Company, Inc. | Table assembly with reversible leg assemblies |
US11970384B2 (en) * | 2021-11-17 | 2024-04-30 | Charles Y. Yu | Modular dispenser stand |
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CN105996471A (en) * | 2016-05-12 | 2016-10-12 | 王百川 | Multi-volume desk for student |
Also Published As
Publication number | Publication date |
---|---|
WO2008066723A2 (en) | 2008-06-05 |
US20110315054A1 (en) | 2011-12-29 |
USD625532S1 (en) | 2010-10-19 |
CA2898056C (en) | 2016-12-06 |
CA2670344A1 (en) | 2008-06-05 |
WO2008066723A3 (en) | 2008-09-12 |
USD661142S1 (en) | 2012-06-05 |
CA2898056A1 (en) | 2008-06-05 |
CA2670344C (en) | 2015-11-03 |
US8186284B2 (en) | 2012-05-29 |
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Legal Events
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AS | Assignment |
Owner name: ARTCO-BELL, TEXAS Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:WESTBROOK, MACK DANIEL;LAFLEUR, MATTHEW MURPHY;COX, LEWIS DORSEY;AND OTHERS;REEL/FRAME:018890/0727;SIGNING DATES FROM 20070202 TO 20070212 |
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STCB | Information on status: application discontinuation |
Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION |