US20050076817A1 - Lazy susan with pull-out shelving - Google Patents
Lazy susan with pull-out shelving Download PDFInfo
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- US20050076817A1 US20050076817A1 US10/818,453 US81845304A US2005076817A1 US 20050076817 A1 US20050076817 A1 US 20050076817A1 US 81845304 A US81845304 A US 81845304A US 2005076817 A1 US2005076817 A1 US 2005076817A1
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- Prior art keywords
- platform
- shelves
- shelf
- accordance
- centralized
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47F—SPECIAL FURNITURE, FITTINGS, OR ACCESSORIES FOR SHOPS, STOREHOUSES, BARS, RESTAURANTS OR THE LIKE; PAYING COUNTERS
- A47F5/00—Show stands, hangers, or shelves characterised by their constructional features
- A47F5/0081—Show stands or display racks with movable parts
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- 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
- A47B49/00—Revolving cabinets or racks; Cabinets or racks with revolving parts
- A47B49/004—Cabinets with compartments provided with trays revolving on a vertical axis
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- 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
- A47B88/00—Drawers for tables, cabinets or like furniture; Guides for drawers
- A47B88/40—Sliding drawers; Slides or guides therefor
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- 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
- A47B88/00—Drawers for tables, cabinets or like furniture; Guides for drawers
- A47B88/40—Sliding drawers; Slides or guides therefor
- A47B88/44—Sequencing or synchronisation of drawer slides or functional units
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- 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
- A47B2200/00—General construction of tables or desks
- A47B2200/02—Dining tables with central food presentation shelf
Definitions
- the invention relates to rotatable or “lazy susan” devices and, more particularly, to rotatable devices having shelves or similar receptacles for holding various items.
- Rotatable storage devices have the capability of varying the “presentation” location of hooks, shelves or other hanger and container-like utilitarian articles. These rotatable storage devices are known by a number of relatively common names, such as carousels.
- lazy susans many of these storage devices have come to be known as “lazy susans.”
- the dictionary definition of a lazy susan describes a large, revolving tray for food, placed at the center of a dining table
- the term “lazy susan” has generically come to refer to a number of different types of rotatable storage devices.
- the term “lazy susan” will be used herein in its generic sense to refer to a rotatable storage device, and should not be construed to be limited to devices in accordance with its dictionary definition.
- Lazy susan-type storage devices are used in various locations in the aforementioned commercial, industrial, residential environments.
- the devices may comprise one or more horizontally-disposed platforms, with the platforms being vertically spaced apart.
- the spaced apart platforms are rotatably coupled to a shaft which commonly extends along a vertical axis located at a center point of the horizontally disposed platforms.
- One problem which may arise with respect to use of these types of lazy susan devices relates to the capability of retrieving items which are located away from the perimeter of the horizontally disposed platform and near the platforms' center points. This is particularly true if the lazy susan device is located in a position such as a kitchen cabinet below kitchen countertops or the like. Depending upon age and mobility, it can be very difficult for an individual to “reach” into the location of a lazy susan device to retrieve stored items located near platform center points.
- a carousel device having slidable sections connected to vertical pegboard supports. More specifically, a rotatable base has a series of sliding bases placed upon the rotatable base. The bases are supported by linear slides which provide support when the base is extended out from the cabinet area. More specifically, the carousel or cabinet storage device is mounted within a cabinet and includes vertical panels mounted upon a rotating platform. Each of the vertical panels may be rotated to the front of the cabinet for purposes of access. The vertical panels are connected to individual sliding bases. Mounted to the sliding bases are pairs of slide rails.
- the slide rails allow the sliding bases to slide horizontally outward away from the rotating platform.
- the slide rails are connected to the sliding base and to the rotating platform. In this manner, the vertical panels are extended horizontally away from the cabinet to provide easy access to items which may be hung from the panels.
- Each slide includes a support member for purposes of providing additional support for the sliding base, when the base is extended outwardly from the platform.
- the support member includes a retractable arm having one end pivotably attached to the slide rail, with a wheel rotatably attached to the opposing or second end.
- the retractable arm is biased by a spring so as to cause it to extend downwardly to rest on the floor and thereby support the sliding base when it is in its extended position.
- the arm pivots upwardly to a storage position.
- the wheel engages the floor and allows the sliding base to be moved inwardly or outwardly while supplying support for the sliding base.
- the arm engages a rotating platform, thereby causing the arm to retract.
- U.S. Pat. No. 4,832,300 issued May 23, 1989 discloses a half-moon lazy susan type shelf.
- the shelf is mounted in part on the back side of a door in a cabinet, and in part on a rotating element and support system. When the door is open, the shelf is extendable by rotation so as to expose substantially all of its surface area. This is provided through the rotating portions of the support system and rails which operate in a fashion similar to a linear slide.
- Battles U.S. Pat. No. 4,067,607 issued Jan. 10, 1978, discloses a combination stool and fishing tackle box. Battles discloses use of shelves which slide in and out of a circular container.
- the Battles arrangement includes an upright cylindrical housing having closed ends.
- a wall is diametrically and longitudinally divided intermediate at its ends so as to define a stationary wall portion and a movable wall portion.
- the movable wall portion forms a door slidably disposed in circular tracks formed by the respective end of the housing, so as to cover and uncover an access opening formed by the divided wall.
- the housing is transversely divided by a plurality of partitions arranged in vertically spaced relation, so as to form a plurality of compartments.
- Each of the partitions rotatably supports a circular upwardly opening fishing tackle receiving tray.
- Each of the trays is movable outwardly through the access opening with respect to its support partition by a radial slot formed in the respective partition.
- a lazy susan-like apparatus is adapted for use in supporting items and facilitating access to the items by a user.
- the apparatus includes at least one platform, with support means coupled to structures separate from the apparatus for supporting the apparatus.
- the support means also is utilized for supporting at least one platform.
- a plurality of shelves is associated with the at least one platform, with each of the plurality of shelves being movable between a retracted position and an extended position. When the shelf is in an extended position, it facilitates axis by a user to items positioned on the shelf.
- slide means are provided which are connected to at least one platform and to the plurality of shelves, so that the shelves are movable in radial directions relative to the platform.
- each of the plurality of shelves can comprise a wedge-shape configuration.
- the platform or support base can be circular in configuration.
- the support means may comprise a centralized and vertically disposed pole.
- each of the plurality of shelves can comprise a wedge-shape configuration, with lateral sides, an outer side and an apex or nearestmost portion to the centralized pole.
- the apex or nearestmost portion of the retracted shelf is adjacent the centralized pole.
- the apex of the extended shelf can be adjacent to an outer edge of the platform.
- the slide means can comprise a plurality of linear slides, with each of the slides mounted to the platform, and associated with different ones of the plurality of shelves.
- the linear slides may be mounted so that when any one of the plurality of shelves is in the extended position, the extended shelf is cantilevered relative to stationary portion of the linear slides.
- each of the plurality of shelves can be capable of moving between the extended and retracted positions, independently of movement or non-movement of any other ones of the plurality of shelves.
- the platform may be capable of rotation throughout a 360° circle.
- the platform or support base can include an aperture having a vertically disposed configuration, and extending through a central portion of the platform, so as to receive the centralized pole.
- the platform may be coupled to the centralized pole through a lower hub having a cylindrical sleeve, forming a centralized aperture which is sized so as to appropriately fit around the periphery of the pole.
- the lower hub can be further sized in a manner so that a collar of the hub may be positioned below the platform and adjacent a lower surface of the platform. The collar can be securely connected to the platform.
- the apparatus can also include an upper hub, having a sleeve sized so as to form a aperture.
- the aperture can be further sized so as to receive the centralized pole therethrough. This reception of the centralized pole can occur while permitting the upper hub to freely rotate relative to the centralized pole.
- the upper hub can include a collar having a horizontally disposed configuration, positioned above the platform and adjacent an upper surface of the platform. Further, connecting means can be provided for securing the platform between the upper hub and the lower hub.
- the centralized pole can include a bearing pin extending through a center point thereof.
- the bearing pin extends through apertures within the centralized pole and through a center point of a longitudinal axis extending through a center of the centralized pole.
- the bearing pin remains stationary during rotation of the platform.
- Interconnection of the platform with the lower hub and the upper hub is such that the interconnection provides for the bearing pin to be positioned between the lower hub and the upper hub.
- the platform is rotatably positioned on a centralized pole in a manner so that the upper hub rests on the bearing pin, thus permitting the platform to appropriately rotate about the longitudinal axis of the centralized pole.
- the positioning of the upper hub relative to the platform may be keyed by providing a detent in the platform positioned adjacent a center aperture.
- a corresponding protuberance is positioned a lower portion of the sleeve of the hub. This protuberance is sized and configured so as to extend into the keyed detent of the platform.
- the slide means can include pairs of linear slides, with each of the pairs of linear slides being connected to one of the plurality of shelves.
- Each of the shelves can include a floor, which is horizontally disposed within each shelf.
- Each of the linear slides of a linear slide pair associated with a corresponding one of the shelves can extend radially outward from the support means and be received within a slot formed within a corresponding one of the lateral sides of a corresponding shelf.
- the linear slides are received through the slots and positioned below the floor of the corresponding shelf.
- the linear slides are secured to the shelf in a manner so that the shelf is permitted to slide radially outward from the support means.
- the shelf is supported in a cantilevered manner on the corresponding linear slides.
- Each of the shelves can, as earlier stated, be of a wedge-shape configuration.
- Each shelf can include a finger nub for facilitating a user exerting pulling forces on a shelf so as to move the shelf from a retracted to an extended position.
- the platform can be not only of a circular configuration, but also may be of a kidney-shape configuration. Still further, each of the shelves is movable between extended and retracted positions relative to the platform, independent of movement of others of the plurality of shelves.
- FIG. 1 is a partially perspective view of a lazy susan device in accordance with the invention
- FIG. 2 illustrates the lazy susan device of FIG. 1 , but shows individual shelves or wedges in a fully extended state
- FIG. 3 is a close up and partial view of the lazy susan device illustrated in FIG. 1 , but showing the location of an individual shelf or wedge in its retracted state;
- FIG. 4 is an underside view of the shaft, lower hub and collar of the lazy susan device illustrated in FIG. 1 ;
- FIG. 5 is an underside view similar to the view shown in FIG. 4 , but showing the shaft and lower hub with a vertical platform and with one of the extendable shelves illustrated in a retracted state;
- FIG. 6 is an underside view similar in scope to the views of FIGS. 4 and 5 , but showing the entirety of the extendable shelves in retracted states;
- FIG. 7 is a partial view of the lazy susan device illustrated in FIG. 1 , but showing the relative positioning of one of the extendable shelves or wedges, and the rotatable coupling of the horizontal platform to the shaft.
- FIG. 8 is a partial perspective view of the lazy susan device illustrated in FIG. 1 , and showing one of the shelves in an extended state along its corresponding linear slides, and further shows the horizontal platform in a “transparent” view, for purposes of illustrating the relative positioning of the upper and lower hubs;
- FIG. 9 is a partial perspective view similar to FIG. 8 , but showing the upper and lower hubs in an “exploded” view, and further showing the detent in the horizontal platform;
- FIG. 10 is a partial perspective and partial elevation view of one of the shelves in an extended state along its linear slides, in somewhat of a “close-up” view;
- FIG. 11 is a perspective view of a linear slide which may be utilized with the lazy susan device in accordance with the invention.
- FIG. 12 is a view of the linear slide illustrated in FIG. 1 , showing the slide in an extended state, corresponding to an extended state of an interconnected shelf;
- FIG. 13 is an exploded view of an alternative embodiment for a stand alone lazy susan apparatus utilizing pull-out shelves.
- FIG. 14 is a view of the alternative embodiment for a stand alone lazy susan apparatus as illustrated in FIG. 13 , but with this view showing the apparatus in an assembled state.
- the lazy susan device 100 includes at least one circular platform or support base having a series of pie-shaped shelves or wedges 148 movably mounted thereon.
- the platform and the shelves are rotatable about a centralized pole 102 , and the shelves rotate together on the circular platform.
- the pie-shaped shelves are movably mounted to a series of linear slides 140 , with the linear slides positioned stationary relative to the circular platform.
- each of the shelves is extendable in a radial manner outwardly from the centralized pole.
- the lazy susan device 100 is mounted within a cabinet or a similar structure (not shown), the shelves can be made to extend individually (and independent of one another), in a manner so as to extend beyond cabinet framing. Items within the shelves, and particularly items which may be located near the apex of each of the shelves (i.e. near the center point of circular base) are more readily accessed, than with lazy susan devices where containers mounted on platforms of the lazy susan devices are radially stationary.
- the lazy susan device 100 includes a centralized pole 102 .
- the centralized pole 102 extends vertically upward, and connects at its lower end to a connecting plate 104 .
- the connecting plate 104 is conventional in design and may be circular as illustrated in FIGS. 1 and 2 , or may be of any other suitable configuration appropriate for supporting the centralized pole 102 and the other elements of the interconnected lazy susan device 100 .
- the connecting plate 104 may include screw holes 106 or similar configurations for purposes of inserting screws or the like (not shown) so as to securely connect the connecting plate 104 to a cabinet floor or other structure (not shown) to which the lazy susan device 100 is to be interconnected.
- the centralized pole 102 may be connected at its upper end to other stationary structures of a cabinet or the like. This interconnection may also use a connecting plate or other device similar to the connecting plate 104 .
- a platform or support base 108 Positioned upwardly from the circular connecting plate 104 along the centralized pole 102 is a platform or support base 108 .
- the base 108 is primarily shown in FIGS. 2, 3 , 5 and 6 .
- the support base 108 is circular and disk-like in design, with a center aperture 110 extending through the base 108 .
- the support base 108 has an upper surface 112 and a lower surface 114 .
- the support base 108 can be constructed of any of various materials. For example, the inventors have found that one embodiment of the support base 108 in accordance with the invention may be constructed of wood.
- the support base 108 is rotatably coupled to the centralized pole 102 , in a manner so that the support base 108 can rotate entirely throughout a 360° circle.
- a conventional lower hub 116 is utilized, with the lower hub 116 having a conventional configuration for use with lazy susan devices, such as the lazy susan device 100 .
- the lower hub 116 includes a cylindrical sleeve 117 .
- the cylindrical sleeve 117 forms a centralized aperture 118 which is sized so as to appropriately fit around the periphery of the centralized pole 102 .
- the lower hub 116 is also sized in a manner so that a collar 120 of the hub 116 may be positioned below the support base 108 and adjacent the lower surface 114 of the support base 108 .
- the collar 120 may include screw holes 122 (illustrated in FIGS. 4, 5 and 6 ) through which screws or similar connecting means (not shown) may be received.
- the screw holes 122 are then aligned with corresponding screw holes 124 which extend vertically into the support base 108 .
- the lazy susan device 100 in accordance with the invention also includes an upper hub 126 illustrated in FIGS. 3 and 7 - 9 .
- the upper hub 126 like the lower hub 116 , includes a sleeve 128 which is sized so as to form an aperture 130 .
- the aperture 130 is sized so as to receive the centralized pole 102 there through, while permitting the upper hub 126 to freely rotate relative to the centralized pole 102 .
- the sleeve 128 of the upper hub 126 and the sleeve 117 of the lower hub 116 may be constructed of plasticor similar materials.
- the upper hub 126 includes a collar 132 having a horizontally disposed configuration and positioned above the support base 108 and adjacent the upper surface 112 . Located at spaced apart positions in the collar 132 are a set of vertically disposed screw holes 134 .
- the screw holes 134 may be appropriately aligned with the screw holes 124 of the support base 108 and the screw holes 122 of the collar 120 of the lower hub 116 . With such alignment, screws or similar connecting means (not shown) can be received through the respective screw holes so as to appropriately secure the support base 108 between the lower hub 116 and the upper hub 126 .
- the centralized pole 102 For purposes of rotatably coupling the support base 108 (with the attendant lower hub 116 and upper hub 126 ) to the centralized pole 102 , the centralized pole 102 includes a bearing pin 136 extending through the center point thereof.
- the bearing pin 136 is illustrated primarily in FIGS. 7 and 9 .
- the bearing pin 136 extends through apertures (not shown) within the centralized pole 102 and through the center point of a longitudinal axis extending through the center of the centralized pole 102 .
- the bearing pin 136 remains stationary. When interconnecting the support base 108 with the lower hub 116 and the upper hub 126 , the interconnection is such that the bearing pin 136 is positioned between the lower hub 116 and the upper hub 126 .
- the interconnected support base 108 is rotatably positioned on the centralized pole 102 in a manner such that the upper hub 126 rests on the bearing pin 136 .
- the support base 108 is capable of appropriately rotating about the longitudinal axis of the centralized pole 102 .
- the support base 108 may include a detent 138 positioned adjacent the center aperture 110 .
- a detent 138 is illustrated in FIG. 9 .
- a corresponding protuberance (not shown) may be appropriately positioned at the lower portion of the sleeve 128 of the upper hub 126 .
- the protuberance may be sized and configured so as to extend into the keyed detent 138 of the support base 108 .
- the lazy susan device 100 in accordance with the invention further includes a series of linear slides 140 .
- the linear slides 140 may be arranged in pairs, with each of the pairs identified as a linear slide pair 142 .
- the linear slides 140 of each linear slide pair 142 include interconnected support brackets 144 .
- the support brackets 144 include screw holes 146 through which screws or similar connecting means (not shown) can be received for purposes of securing each of the linear slides 140 to the upper surface 112 of the support base 108 .
- the linear slides 140 of each linear slide pair 142 are configured in a parallel configuration relative to each other, and extend radially outward from the centralized pole 102 , as primarily shown in FIG. 2 .
- each of the linear slides 140 can differ in various configurations of the lazy susan device 100 , dependent upon the needs of the user.
- a linear slide pair 142 it should be emphasized that other configurations of linear slides may be utilized.
- each of the shelves 148 includes a pie-shaped configuration, with an outer side 150 , lateral sides 152 and an apex 154 . It should be noted that the term apex is being utilized as a reference to the “acme” or nearestmost location of each shelf 148 to the center of the support base 108 . That is, without departing from the primary novel concepts of the invention, each of the shelves 148 can have a configuration which does not necessarily incorporate a point or a “coming together” of opposing lateral sides.
- the lateral sides 152 are angled such as to meet at the apex 154 , which is the nearestmost position of the shelf 148 to the centralized pole 102 .
- Each of the shelves 148 further includes a floor 156 which is horizontally disposed within each of the shelves 148 .
- each outer side 150 of a shelf 148 includes a finger nub 158 for facilitating a user exerting pulling force on a shelf 148 as described in subsequent paragraphs herein.
- Each of the linear slides 140 of a linear slide pair 142 associated with a corresponding one of the shelves 148 extends radially outward from the centralized pole 102 and is received within a slot 160 formed within a corresponding one of the lateral sides 152 of the corresponding shelf 148 .
- the linear slides 140 are received through the slots 160 and positioned below the floor 156 of the corresponding shelf 148 .
- the linear slides 140 are properly secured to the corresponding shelf 148 in a manner such that the shelf 148 is permitted to slide radially outwardly from the support base 108 .
- the shelves 148 are illustrated in an extended state in FIG. 2 . In this configuration, the shelves 148 are supported in a cantilevered manner on the linear slides 140 .
- the linear slides 140 are relatively conventional in design and may be secured to the shelves 148 in a relatively conventional manner. An appropriate interconnection between a shelf 148 and its corresponding linear slides 140 would be of the same type of configuration as exists between conventional drawers and their linear slides in cabinetry and the like.
- FIGS. 11 and 12 An example of a linear slide 140 which may be utilized with the lazy susan device 100 is illustrated in FIGS. 11 and 12 .
- FIGS. 11 and 12 illustrate one of the linear slides 140 independent of any other elements of the lazy susan device 100 .
- the linear slide 140 includes the previously described support brackets 144 .
- the support brackets 144 are secured to the support base 108 in a fixed manner.
- the linear slide 140 further includes a stationary base 162 which is coupled to the support brackets 144 , and remains stationary throughout movement of the interconnected shelf 148 .
- the base 162 is coupled to a carriage 164 , which is moveable relative to the stationary base 162 and rides in a conventional manner along both sides of the base 162 within tracks (not shown).
- the interconnection between the carriage 164 and the base 162 permits the carriage 164 to move outwardly from the base 162 the set of the tracks (not shown). This type of interconnection for linear slides is well known in the art.
- the carriage 164 includes corresponding tracks (not shown). These tracks moveably mount an inner member 170 of the linear slide 140 .
- the inner member 170 is coupled to the carriage 164 through these tracks in a conventional manner, such that the inner member 170 is permitted to extend outwardly relative to the position of the moveable carriage 164 . This extended position is illustrated in FIG. 12 .
- the inner member 170 includes a pair of L-shaped brackets 172 .
- the L-shaped brackets 172 include legs which are fixedly secured to the floor 156 or other element of the interconnected shelf 148 .
- each of its two corresponding linear slides 140 is in the position as illustrated in FIG. 11 .
- the carriage 164 moves outwardly relative to the stationary base 162 .
- the inner member 170 fixedly secured to the shelf 148 , moves outwardly in conjunction with the shelf 148 , and further moves outwardly relative to the outward movement of the carriage 164 .
- the linear slides 140 are conventional in design and commercially available.
- a linear slide which may be utilized as a linear slide 140 is one which falls within the scope of the 8400 Series manufactured by Knape & Vogt of Grand Rapids, Michigan.
- the lazy susan device 100 may be appropriately secured within a kitchen cabinet or the like, with the shelves 148 in a retracted state, as illustrated in FIG. 1 .
- the user can rotate the shelves 148 (which, in accordance with the foregoing description, rotate on the support base 108 ) about the centralized pole 102 by grasping a shelf 148 by its corresponding finger nub 158 and exerting a rotational force on the same.
- each of the shelves 148 may be extended outwardly to a fully extended state as illustrated in FIG. 2 . Also in accordance with the invention, each of the shelves 148 may be extended or otherwise positioned along a radius extending through the center point of the centralized pole 102 independent of any of the other shelves 148 .
- the extension capability of the shelves 148 of the lazy susan device 100 in accordance with the invention permits a user to extend shelves 148 outwardly beyond cabinet framing or the like, so as to facilitate access to items located in a shelf 148 which may be positioned near the apex 154 of the shelf 148 . Further, when in a retracted state, the shelves 148 essentially form a circular “platform” which rotates about the centralized pole 102 as a single entity.
- multiple support bases and multiple sets of shelves may be employed.
- support bases for supporting extendable shelves may be spaced apart at various vertical dispositions along the centralized pole 102 .
- the lazy susan device 100 in accordance with the invention is not limited to the specific number of shelves illustrated in the drawings. Various numbers and various shapes and sizes of shelves 148 may be employed, without departing from the novel concepts of the invention.
- FIG. 13 An alternative embodiment for a lazy susan apparatus having structure and features in accordance with the invention is illustrated in an exploded view in FIG. 13 , and identified as lazy susan apparatus 200 .
- Lazy susan apparatus 200 is designed to be utilized without a centralized support pole or the like. More specifically, the lazy susan apparatus 200 includes a platform or support base 202 , shown as having a kidney-shaped configuration in FIG. 13 .
- the apparatus 200 also includes a number of extendable shelves 206 . Five of these shelves are illustrated in FIG. 13 .
- the shelves can have a wedge-shaped configuration substantially similar to the shelves previously described with respect to apparatus 100 .
- the shelves 206 include a pair of angled side rails 220 which meet at an apex 216 .
- the apex 216 is the point which is nearestmost the center of the platform 202 .
- Adjacent to outer ends of the side rails 210 is an outer rail 208 .
- FIG. 14 best illustrates the configuration of the side rails 210 and the outer rails 208 associated with each of the shelves 206 .
- the rails 210 and 208 can be appropriately secured to the shelves 206 by any suitable and well known connecting means.
- the platform or support base 202 and the shelves 206 may be constructed, in this particular embodiment, of wood or similar materials.
- the apparatus 200 represents somewhat of an alternative embodiment for the shelves themselves.
- linear slides 204 are utilized for purposes of securing the shelves 206 to the platform 202 , in a manner so as to be extendable and retractable. Unlike the linear slides utilized with apparatus 100 , FIG. 13 illustrates the linear slides mechanisms 204 as each including only a single slide. Various types of slides can be utilized with the apparatus 200 .
- the apparatus 200 also includes a bearing plate 218 positioned under the platform 202 .
- the bearing plate 218 includes a conventional upper bearing race 212 .
- the plate 218 also includes a lower bearing race 218 , with a set of conventional bearings (not shown) captured between the upper and lower bearing races 212 , 214 , respectively.
- the upper bearing race 212 is adapted to be securely connected by screws or other suitable connecting means (not shown) to the under surface of the platform 202 .
- the lower bearing race 214 is adapted to be secured by screws or similar connecting means (not shown) to the floor of a cabinet or the like. Rotation of the platform 202 is achieved by rotational movement of the corresponding upper bearing race 212 , relative to the lower bearing race 214 .
- the foregoing describes an alternative embodiment for use of extendable shelves in accordance with the invention.
Abstract
Description
- This application is based upon and claims priority of U.S. Provisional Patent Application Ser. No. 60/460,448 filed Apr. 4, 2003.
- Not applicable.
- Not applicable.
- 1. Field of the Invention
- The invention relates to rotatable or “lazy susan” devices and, more particularly, to rotatable devices having shelves or similar receptacles for holding various items.
- 2. Background Art
- Various types of storage devices having shelves or receptacles for holding various items are utilized in numerous environments, including commercial, industrial and residential spaces. One type of storage device which has been found to be of value is a device which includes means for rotation. Rotatable storage devices have the capability of varying the “presentation” location of hooks, shelves or other hanger and container-like utilitarian articles. These rotatable storage devices are known by a number of relatively common names, such as carousels. In addition, many of these storage devices have come to be known as “lazy susans.” Although the dictionary definition of a lazy susan describes a large, revolving tray for food, placed at the center of a dining table, the term “lazy susan” has generically come to refer to a number of different types of rotatable storage devices. The term “lazy susan” will be used herein in its generic sense to refer to a rotatable storage device, and should not be construed to be limited to devices in accordance with its dictionary definition.
- Lazy susan-type storage devices are used in various locations in the aforementioned commercial, industrial, residential environments. The devices may comprise one or more horizontally-disposed platforms, with the platforms being vertically spaced apart. The spaced apart platforms are rotatably coupled to a shaft which commonly extends along a vertical axis located at a center point of the horizontally disposed platforms. One problem which may arise with respect to use of these types of lazy susan devices relates to the capability of retrieving items which are located away from the perimeter of the horizontally disposed platform and near the platforms' center points. This is particularly true if the lazy susan device is located in a position such as a kitchen cabinet below kitchen countertops or the like. Depending upon age and mobility, it can be very difficult for an individual to “reach” into the location of a lazy susan device to retrieve stored items located near platform center points.
- As earlier stated, various types of lazy susan and similar devices are well known in the prior art. For example, Ballew, U.S. Pat. No. 5,813,736 issued Sep. 29, 1998 discloses the use of a carousel device having slidable sections connected to vertical pegboard supports. More specifically, a rotatable base has a series of sliding bases placed upon the rotatable base. The bases are supported by linear slides which provide support when the base is extended out from the cabinet area. More specifically, the carousel or cabinet storage device is mounted within a cabinet and includes vertical panels mounted upon a rotating platform. Each of the vertical panels may be rotated to the front of the cabinet for purposes of access. The vertical panels are connected to individual sliding bases. Mounted to the sliding bases are pairs of slide rails. The slide rails allow the sliding bases to slide horizontally outward away from the rotating platform. The slide rails are connected to the sliding base and to the rotating platform. In this manner, the vertical panels are extended horizontally away from the cabinet to provide easy access to items which may be hung from the panels.
- Each slide includes a support member for purposes of providing additional support for the sliding base, when the base is extended outwardly from the platform. The support member includes a retractable arm having one end pivotably attached to the slide rail, with a wheel rotatably attached to the opposing or second end. The retractable arm is biased by a spring so as to cause it to extend downwardly to rest on the floor and thereby support the sliding base when it is in its extended position. When the sliding base is in a storage position, the arm pivots upwardly to a storage position. The wheel engages the floor and allows the sliding base to be moved inwardly or outwardly while supplying support for the sliding base. When the sliding platform is pushed back into a storage position, the arm engages a rotating platform, thereby causing the arm to retract.
- Twellmann, U.S. Pat. No. 4,832,300 issued May 23, 1989 discloses a half-moon lazy susan type shelf. The shelf is mounted in part on the back side of a door in a cabinet, and in part on a rotating element and support system. When the door is open, the shelf is extendable by rotation so as to expose substantially all of its surface area. This is provided through the rotating portions of the support system and rails which operate in a fashion similar to a linear slide.
- Battles, U.S. Pat. No. 4,067,607 issued Jan. 10, 1978, discloses a combination stool and fishing tackle box. Battles discloses use of shelves which slide in and out of a circular container. Specifically, the Battles arrangement includes an upright cylindrical housing having closed ends. A wall is diametrically and longitudinally divided intermediate at its ends so as to define a stationary wall portion and a movable wall portion. The movable wall portion forms a door slidably disposed in circular tracks formed by the respective end of the housing, so as to cover and uncover an access opening formed by the divided wall. The housing is transversely divided by a plurality of partitions arranged in vertically spaced relation, so as to form a plurality of compartments. Each of the partitions rotatably supports a circular upwardly opening fishing tackle receiving tray. Each of the trays is movable outwardly through the access opening with respect to its support partition by a radial slot formed in the respective partition.
- In accordance with the invention, a lazy susan-like apparatus is adapted for use in supporting items and facilitating access to the items by a user. The apparatus includes at least one platform, with support means coupled to structures separate from the apparatus for supporting the apparatus. The support means also is utilized for supporting at least one platform. A plurality of shelves is associated with the at least one platform, with each of the plurality of shelves being movable between a retracted position and an extended position. When the shelf is in an extended position, it facilitates axis by a user to items positioned on the shelf. Further, slide means are provided which are connected to at least one platform and to the plurality of shelves, so that the shelves are movable in radial directions relative to the platform.
- In accordance with one aspect of the invention, each of the plurality of shelves can comprise a wedge-shape configuration. Further, the platform or support base can be circular in configuration. In addition, the support means may comprise a centralized and vertically disposed pole.
- In accordance with other aspects of the invention, each of the plurality of shelves can comprise a wedge-shape configuration, with lateral sides, an outer side and an apex or nearestmost portion to the centralized pole. When any of the retracted shelves is in a retracted position, the apex or nearestmost portion of the retracted shelf is adjacent the centralized pole. Still further, when any of the plurality of shelves is in an extended position, the apex of the extended shelf can be adjacent to an outer edge of the platform.
- The slide means can comprise a plurality of linear slides, with each of the slides mounted to the platform, and associated with different ones of the plurality of shelves. The linear slides may be mounted so that when any one of the plurality of shelves is in the extended position, the extended shelf is cantilevered relative to stationary portion of the linear slides. Still further, each of the plurality of shelves can be capable of moving between the extended and retracted positions, independently of movement or non-movement of any other ones of the plurality of shelves. In addition, the platform may be capable of rotation throughout a 360° circle.
- The platform or support base can include an aperture having a vertically disposed configuration, and extending through a central portion of the platform, so as to receive the centralized pole. The platform may be coupled to the centralized pole through a lower hub having a cylindrical sleeve, forming a centralized aperture which is sized so as to appropriately fit around the periphery of the pole. The lower hub can be further sized in a manner so that a collar of the hub may be positioned below the platform and adjacent a lower surface of the platform. The collar can be securely connected to the platform.
- The apparatus can also include an upper hub, having a sleeve sized so as to form a aperture. The aperture can be further sized so as to receive the centralized pole therethrough. This reception of the centralized pole can occur while permitting the upper hub to freely rotate relative to the centralized pole. The upper hub can include a collar having a horizontally disposed configuration, positioned above the platform and adjacent an upper surface of the platform. Further, connecting means can be provided for securing the platform between the upper hub and the lower hub.
- The centralized pole can include a bearing pin extending through a center point thereof. The bearing pin extends through apertures within the centralized pole and through a center point of a longitudinal axis extending through a center of the centralized pole. The bearing pin remains stationary during rotation of the platform. Interconnection of the platform with the lower hub and the upper hub is such that the interconnection provides for the bearing pin to be positioned between the lower hub and the upper hub. With this configuration, the platform is rotatably positioned on a centralized pole in a manner so that the upper hub rests on the bearing pin, thus permitting the platform to appropriately rotate about the longitudinal axis of the centralized pole.
- The positioning of the upper hub relative to the platform may be keyed by providing a detent in the platform positioned adjacent a center aperture. A corresponding protuberance is positioned a lower portion of the sleeve of the hub. This protuberance is sized and configured so as to extend into the keyed detent of the platform.
- The slide means can include pairs of linear slides, with each of the pairs of linear slides being connected to one of the plurality of shelves.
- Each of the shelves can include a floor, which is horizontally disposed within each shelf. Each of the linear slides of a linear slide pair associated with a corresponding one of the shelves can extend radially outward from the support means and be received within a slot formed within a corresponding one of the lateral sides of a corresponding shelf. The linear slides are received through the slots and positioned below the floor of the corresponding shelf. The linear slides are secured to the shelf in a manner so that the shelf is permitted to slide radially outward from the support means. When a shelf is in an extended state, the shelf is supported in a cantilevered manner on the corresponding linear slides.
- Each of the shelves can, as earlier stated, be of a wedge-shape configuration. Each shelf can include a finger nub for facilitating a user exerting pulling forces on a shelf so as to move the shelf from a retracted to an extended position. The platform can be not only of a circular configuration, but also may be of a kidney-shape configuration. Still further, each of the shelves is movable between extended and retracted positions relative to the platform, independent of movement of others of the plurality of shelves.
- The invention will now be described with reference to the drawings, in which:
-
FIG. 1 is a partially perspective view of a lazy susan device in accordance with the invention; -
FIG. 2 illustrates the lazy susan device ofFIG. 1 , but shows individual shelves or wedges in a fully extended state; -
FIG. 3 is a close up and partial view of the lazy susan device illustrated inFIG. 1 , but showing the location of an individual shelf or wedge in its retracted state; -
FIG. 4 is an underside view of the shaft, lower hub and collar of the lazy susan device illustrated inFIG. 1 ; -
FIG. 5 is an underside view similar to the view shown inFIG. 4 , but showing the shaft and lower hub with a vertical platform and with one of the extendable shelves illustrated in a retracted state; -
FIG. 6 is an underside view similar in scope to the views ofFIGS. 4 and 5 , but showing the entirety of the extendable shelves in retracted states; -
FIG. 7 is a partial view of the lazy susan device illustrated inFIG. 1 , but showing the relative positioning of one of the extendable shelves or wedges, and the rotatable coupling of the horizontal platform to the shaft. -
FIG. 8 is a partial perspective view of the lazy susan device illustrated inFIG. 1 , and showing one of the shelves in an extended state along its corresponding linear slides, and further shows the horizontal platform in a “transparent” view, for purposes of illustrating the relative positioning of the upper and lower hubs; -
FIG. 9 is a partial perspective view similar toFIG. 8 , but showing the upper and lower hubs in an “exploded” view, and further showing the detent in the horizontal platform; -
FIG. 10 is a partial perspective and partial elevation view of one of the shelves in an extended state along its linear slides, in somewhat of a “close-up” view; -
FIG. 11 is a perspective view of a linear slide which may be utilized with the lazy susan device in accordance with the invention; -
FIG. 12 is a view of the linear slide illustrated inFIG. 1 , showing the slide in an extended state, corresponding to an extended state of an interconnected shelf; -
FIG. 13 is an exploded view of an alternative embodiment for a stand alone lazy susan apparatus utilizing pull-out shelves; and -
FIG. 14 is a view of the alternative embodiment for a stand alone lazy susan apparatus as illustrated inFIG. 13 , but with this view showing the apparatus in an assembled state. - The principles of the invention are disclosed, by way of example, in a
lazy susan device 100 as illustrated inFIGS. 1-10 . In accordance with the invention, thelazy susan device 100 includes at least one circular platform or support base having a series of pie-shaped shelves orwedges 148 movably mounted thereon. The platform and the shelves are rotatable about acentralized pole 102, and the shelves rotate together on the circular platform. In accordance with a primary aspect of the invention, the pie-shaped shelves are movably mounted to a series oflinear slides 140, with the linear slides positioned stationary relative to the circular platform. In accordance with another aspect of the invention, each of the shelves is extendable in a radial manner outwardly from the centralized pole. In this manner, items located anywhere within the shelves can be made readily accessible to a user, with the shelves extending outwardly. In particular, if thelazy susan device 100 is mounted within a cabinet or a similar structure (not shown), the shelves can be made to extend individually (and independent of one another), in a manner so as to extend beyond cabinet framing. Items within the shelves, and particularly items which may be located near the apex of each of the shelves (i.e. near the center point of circular base) are more readily accessed, than with lazy susan devices where containers mounted on platforms of the lazy susan devices are radially stationary. - Turning to the drawings, and particularly with reference to
FIGS. 1 and 2 , thelazy susan device 100 includes acentralized pole 102. Thecentralized pole 102 extends vertically upward, and connects at its lower end to a connectingplate 104. The connectingplate 104 is conventional in design and may be circular as illustrated inFIGS. 1 and 2 , or may be of any other suitable configuration appropriate for supporting thecentralized pole 102 and the other elements of the interconnectedlazy susan device 100. The connectingplate 104 may include screw holes 106 or similar configurations for purposes of inserting screws or the like (not shown) so as to securely connect the connectingplate 104 to a cabinet floor or other structure (not shown) to which thelazy susan device 100 is to be interconnected. For example, it is not uncommon for rotatable devices such as thelazy susan device 100 to be positioned within corner cabinets of a kitchen or a similar environment. Further, although not specifically shown on the drawings, thecentralized pole 102 may be connected at its upper end to other stationary structures of a cabinet or the like. This interconnection may also use a connecting plate or other device similar to the connectingplate 104. - Positioned upwardly from the circular connecting
plate 104 along thecentralized pole 102 is a platform orsupport base 108. Thebase 108 is primarily shown inFIGS. 2, 3 , 5 and 6. Thesupport base 108 is circular and disk-like in design, with acenter aperture 110 extending through thebase 108. Thesupport base 108 has anupper surface 112 and alower surface 114. Thesupport base 108 can be constructed of any of various materials. For example, the inventors have found that one embodiment of thesupport base 108 in accordance with the invention may be constructed of wood. - The
support base 108 is rotatably coupled to thecentralized pole 102, in a manner so that thesupport base 108 can rotate entirely throughout a 360° circle. To provide this type of configuration, a conventionallower hub 116 is utilized, with thelower hub 116 having a conventional configuration for use with lazy susan devices, such as thelazy susan device 100. Thelower hub 116 includes acylindrical sleeve 117. Thecylindrical sleeve 117 forms acentralized aperture 118 which is sized so as to appropriately fit around the periphery of thecentralized pole 102. Thelower hub 116 is also sized in a manner so that acollar 120 of thehub 116 may be positioned below thesupport base 108 and adjacent thelower surface 114 of thesupport base 108. Thecollar 120 may include screw holes 122 (illustrated inFIGS. 4, 5 and 6) through which screws or similar connecting means (not shown) may be received. The screw holes 122 are then aligned with corresponding screw holes 124 which extend vertically into thesupport base 108. - In addition to
lower hub 116, thelazy susan device 100 in accordance with the invention also includes anupper hub 126 illustrated inFIGS. 3 and 7 -9. Theupper hub 126, like thelower hub 116, includes asleeve 128 which is sized so as to form anaperture 130. Theaperture 130 is sized so as to receive thecentralized pole 102 there through, while permitting theupper hub 126 to freely rotate relative to thecentralized pole 102. Thesleeve 128 of theupper hub 126 and thesleeve 117 of thelower hub 116 may be constructed of plasticor similar materials. - Also similar to
lower hub 116, theupper hub 126 includes acollar 132 having a horizontally disposed configuration and positioned above thesupport base 108 and adjacent theupper surface 112. Located at spaced apart positions in thecollar 132 are a set of vertically disposed screw holes 134. The screw holes 134 may be appropriately aligned with the screw holes 124 of thesupport base 108 and the screw holes 122 of thecollar 120 of thelower hub 116. With such alignment, screws or similar connecting means (not shown) can be received through the respective screw holes so as to appropriately secure thesupport base 108 between thelower hub 116 and theupper hub 126. - For purposes of rotatably coupling the support base 108 (with the attendant
lower hub 116 and upper hub 126) to thecentralized pole 102, thecentralized pole 102 includes abearing pin 136 extending through the center point thereof. Thebearing pin 136 is illustrated primarily inFIGS. 7 and 9 . Thebearing pin 136 extends through apertures (not shown) within thecentralized pole 102 and through the center point of a longitudinal axis extending through the center of thecentralized pole 102. Thebearing pin 136 remains stationary. When interconnecting thesupport base 108 with thelower hub 116 and theupper hub 126, the interconnection is such that thebearing pin 136 is positioned between thelower hub 116 and theupper hub 126. With this configuration, theinterconnected support base 108 is rotatably positioned on thecentralized pole 102 in a manner such that theupper hub 126 rests on thebearing pin 136. With this configuration, thesupport base 108 is capable of appropriately rotating about the longitudinal axis of thecentralized pole 102. - In addition to the rotatable interconnection of the
support base 108 to thecentralized pole 102 as described in the foregoing paragraphs, a user may wish to “key” the positioning of theupper hub 126 relative to thesupport base 108. For this purpose, thesupport base 108 may include adetent 138 positioned adjacent thecenter aperture 110. Such adetent 138 is illustrated inFIG. 9 . A corresponding protuberance (not shown) may be appropriately positioned at the lower portion of thesleeve 128 of theupper hub 126. The protuberance may be sized and configured so as to extend into thekeyed detent 138 of thesupport base 108. - The lazy susan
device 100 in accordance with the invention further includes a series oflinear slides 140. As illustrated inFIG. 2 , thelinear slides 140 may be arranged in pairs, with each of the pairs identified as alinear slide pair 142. Thelinear slides 140 of eachlinear slide pair 142 includeinterconnected support brackets 144. Thesupport brackets 144 include screw holes 146 through which screws or similar connecting means (not shown) can be received for purposes of securing each of thelinear slides 140 to theupper surface 112 of thesupport base 108. Thelinear slides 140 of eachlinear slide pair 142 are configured in a parallel configuration relative to each other, and extend radially outward from thecentralized pole 102, as primarily shown inFIG. 2 . The length of each of thelinear slides 140 can differ in various configurations of thelazy susan device 100, dependent upon the needs of the user. Although the foregoing has described, in part, the use of alinear slide pair 142, it should be emphasized that other configurations of linear slides may be utilized. For example, it may be feasible to construct and use a linear slide mechanism having a configuration with only a single horizontal slide, or some other type of configuration which differs from the configuration of thelinear slide pair 142 described herein. - Interconnected in an extendable manner to each of the linear slide pairs 142 is a pie-shaped
shelf 148. As illustrated in various other drawings, each of theshelves 148 includes a pie-shaped configuration, with anouter side 150,lateral sides 152 and an apex 154. It should be noted that the term apex is being utilized as a reference to the “acme” or nearestmost location of eachshelf 148 to the center of thesupport base 108. That is, without departing from the primary novel concepts of the invention, each of theshelves 148 can have a configuration which does not necessarily incorporate a point or a “coming together” of opposing lateral sides. The lateral sides 152 are angled such as to meet at the apex 154, which is the nearestmost position of theshelf 148 to thecentralized pole 102. Each of theshelves 148 further includes afloor 156 which is horizontally disposed within each of theshelves 148. Further, eachouter side 150 of ashelf 148 includes afinger nub 158 for facilitating a user exerting pulling force on ashelf 148 as described in subsequent paragraphs herein. - Each of the
linear slides 140 of alinear slide pair 142 associated with a corresponding one of theshelves 148 extends radially outward from thecentralized pole 102 and is received within aslot 160 formed within a corresponding one of thelateral sides 152 of thecorresponding shelf 148. Thelinear slides 140 are received through theslots 160 and positioned below thefloor 156 of thecorresponding shelf 148. - The
linear slides 140 are properly secured to thecorresponding shelf 148 in a manner such that theshelf 148 is permitted to slide radially outwardly from thesupport base 108. Theshelves 148 are illustrated in an extended state inFIG. 2 . In this configuration, theshelves 148 are supported in a cantilevered manner on the linear slides 140. Thelinear slides 140 are relatively conventional in design and may be secured to theshelves 148 in a relatively conventional manner. An appropriate interconnection between ashelf 148 and its correspondinglinear slides 140 would be of the same type of configuration as exists between conventional drawers and their linear slides in cabinetry and the like. - An example of a
linear slide 140 which may be utilized with thelazy susan device 100 is illustrated inFIGS. 11 and 12 .FIGS. 11 and 12 illustrate one of thelinear slides 140 independent of any other elements of thelazy susan device 100. Turning to these drawings, thelinear slide 140 includes the previously describedsupport brackets 144. As earlier described, thesupport brackets 144 are secured to thesupport base 108 in a fixed manner. Thelinear slide 140 further includes astationary base 162 which is coupled to thesupport brackets 144, and remains stationary throughout movement of theinterconnected shelf 148. Thebase 162 is coupled to acarriage 164, which is moveable relative to thestationary base 162 and rides in a conventional manner along both sides of thebase 162 within tracks (not shown). The interconnection between thecarriage 164 and the base 162 permits thecarriage 164 to move outwardly from the base 162 the set of the tracks (not shown). This type of interconnection for linear slides is well known in the art. - The
carriage 164 includes corresponding tracks (not shown). These tracks moveably mount aninner member 170 of thelinear slide 140. Theinner member 170 is coupled to thecarriage 164 through these tracks in a conventional manner, such that theinner member 170 is permitted to extend outwardly relative to the position of themoveable carriage 164. This extended position is illustrated inFIG. 12 . Further, theinner member 170 includes a pair of L-shapedbrackets 172. The L-shapedbrackets 172 include legs which are fixedly secured to thefloor 156 or other element of theinterconnected shelf 148. - Referring to operation, when an
interconnected shelf 148 is in a retracted state, each of its two correspondinglinear slides 140 is in the position as illustrated inFIG. 11 . As a pulling force is exerted on theshelf 148 by the user, thecarriage 164 moves outwardly relative to thestationary base 162. Correspondingly, theinner member 170, fixedly secured to theshelf 148, moves outwardly in conjunction with theshelf 148, and further moves outwardly relative to the outward movement of thecarriage 164. When theshelf 148 is in the extended state, the two correspondinglinear slides 140 are in the extended state as illustrated inFIG. 12 . As earlier mentioned, thelinear slides 140 are conventional in design and commercially available. For example, a linear slide which may be utilized as alinear slide 140 is one which falls within the scope of the 8400 Series manufactured by Knape & Vogt of Grand Rapids, Michigan. - With the configuration of the
lazy susan device 100 in accordance with the foregoing description, the operation of thedevice 100 will now be described. The lazy susandevice 100 may be appropriately secured within a kitchen cabinet or the like, with theshelves 148 in a retracted state, as illustrated inFIG. 1 . The user can rotate the shelves 148 (which, in accordance with the foregoing description, rotate on the support base 108) about thecentralized pole 102 by grasping ashelf 148 by itscorresponding finger nub 158 and exerting a rotational force on the same. When aparticular shelf 148 is positioned at a particular location as desired by the user, the user may grasp thefinger nub 158 of theshelf 148 and exert a radially outward or “pulling” force on theshelf 148. Theshelf 148 will then extend outwardly along its correspondinglinear slides 140. Each of theshelves 148 may be extended outwardly to a fully extended state as illustrated inFIG. 2 . Also in accordance with the invention, each of theshelves 148 may be extended or otherwise positioned along a radius extending through the center point of thecentralized pole 102 independent of any of theother shelves 148. As previously described, the extension capability of theshelves 148 of thelazy susan device 100 in accordance with the invention permits a user to extendshelves 148 outwardly beyond cabinet framing or the like, so as to facilitate access to items located in ashelf 148 which may be positioned near the apex 154 of theshelf 148. Further, when in a retracted state, theshelves 148 essentially form a circular “platform” which rotates about thecentralized pole 102 as a single entity. - In addition to the
single support base 108 illustrated with respect to thelazy susan device 100 in accordance with the invention, multiple support bases and multiple sets of shelves may be employed. For example, support bases for supporting extendable shelves may be spaced apart at various vertical dispositions along thecentralized pole 102. Further, thelazy susan device 100 in accordance with the invention is not limited to the specific number of shelves illustrated in the drawings. Various numbers and various shapes and sizes ofshelves 148 may be employed, without departing from the novel concepts of the invention. - An alternative embodiment for a lazy susan apparatus having structure and features in accordance with the invention is illustrated in an exploded view in
FIG. 13 , and identified aslazy susan apparatus 200. Lazy susanapparatus 200 is designed to be utilized without a centralized support pole or the like. More specifically, thelazy susan apparatus 200 includes a platform orsupport base 202, shown as having a kidney-shaped configuration inFIG. 13 . Theapparatus 200 also includes a number ofextendable shelves 206. Five of these shelves are illustrated inFIG. 13 . The shelves can have a wedge-shaped configuration substantially similar to the shelves previously described with respect toapparatus 100. In this particular instance withapparatus 200, theshelves 206 include a pair of angled side rails 220 which meet at an apex 216. The apex 216 is the point which is nearestmost the center of theplatform 202. Adjacent to outer ends of the side rails 210 is anouter rail 208.FIG. 14 best illustrates the configuration of the side rails 210 and theouter rails 208 associated with each of theshelves 206. Therails shelves 206 by any suitable and well known connecting means. Further, as particularly shown inFIG. 14 , the platform orsupport base 202 and theshelves 206 may be constructed, in this particular embodiment, of wood or similar materials. In any event, theapparatus 200 represents somewhat of an alternative embodiment for the shelves themselves. - For purposes of securing the
shelves 206 to theplatform 202, in a manner so as to be extendable and retractable,linear slides 204 are utilized. Unlike the linear slides utilized withapparatus 100,FIG. 13 illustrates thelinear slides mechanisms 204 as each including only a single slide. Various types of slides can be utilized with theapparatus 200. - Turning to one of the primary distinctions between
apparatus 200 andapparatus 100, theapparatus 200 also includes abearing plate 218 positioned under theplatform 202. The bearingplate 218 includes a conventional upper bearing race 212. Theplate 218 also includes alower bearing race 218, with a set of conventional bearings (not shown) captured between the upper andlower bearing races 212, 214, respectively. The upper bearing race 212 is adapted to be securely connected by screws or other suitable connecting means (not shown) to the under surface of theplatform 202. Thelower bearing race 214 is adapted to be secured by screws or similar connecting means (not shown) to the floor of a cabinet or the like. Rotation of theplatform 202 is achieved by rotational movement of the corresponding upper bearing race 212, relative to thelower bearing race 214. The foregoing describes an alternative embodiment for use of extendable shelves in accordance with the invention. - It will be apparent to those skilled in the pertinent arts that other embodiments of lazy susan devices in accordance with the invention may be designed. That is, the principles of a lazy susan device having extendable shelves or other types of containers are not limited to the specific embodiment described herein. For example, and as described in previous paragraphs, various configurations of shelves and various numbers of vertically disposed support bases and shelves may be utilized. Accordingly, it will be apparent to those skilled in the art that modifications and other variations of the above-described illustrative embodiment of the invention may be effected without departing from the spirit and scope of the novel concepts of the invention.
Claims (23)
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