CA2505175C - Hose reel cart with tray constructed from plastic and metal structural components - Google Patents
Hose reel cart with tray constructed from plastic and metal structural components Download PDFInfo
- Publication number
- CA2505175C CA2505175C CA 2505175 CA2505175A CA2505175C CA 2505175 C CA2505175 C CA 2505175C CA 2505175 CA2505175 CA 2505175 CA 2505175 A CA2505175 A CA 2505175A CA 2505175 C CA2505175 C CA 2505175C
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- Canada
- Prior art keywords
- hose
- spool
- hose reel
- constructed
- reel cart
- Prior art date
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- Expired - Fee Related
Links
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H75/00—Storing webs, tapes, or filamentary material, e.g. on reels
- B65H75/02—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks
- B65H75/34—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables
- B65H75/38—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables involving the use of a core or former internal to, and supporting, a stored package of material
- B65H75/44—Constructional details
- B65H75/4402—Guiding arrangements to control paying-out and re-storing of the material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H75/00—Storing webs, tapes, or filamentary material, e.g. on reels
- B65H75/02—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks
- B65H75/34—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables
- B65H75/38—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables involving the use of a core or former internal to, and supporting, a stored package of material
- B65H75/40—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables involving the use of a core or former internal to, and supporting, a stored package of material mobile or transportable
- B65H75/403—Carriage with wheels
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H75/00—Storing webs, tapes, or filamentary material, e.g. on reels
- B65H75/02—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks
- B65H75/34—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables
- B65H75/38—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables involving the use of a core or former internal to, and supporting, a stored package of material
- B65H75/44—Constructional details
- B65H75/4457—Arrangements of the frame or housing
- B65H75/4471—Housing enclosing the reel
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2701/00—Handled material; Storage means
- B65H2701/50—Storage means for webs, tapes, or filamentary material
- B65H2701/53—Adaptations of cores or reels for special purposes
- B65H2701/533—Storage compartments for accessories
-
- 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
- Y10T137/00—Fluid handling
- Y10T137/6633—With fluid system support for workman or non-system material
-
- 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
- Y10T137/00—Fluid handling
- Y10T137/6851—With casing, support, protector or static constructional installations
- Y10T137/6855—Vehicle
- Y10T137/6899—With hose reel storage means
-
- 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
- Y10T137/00—Fluid handling
- Y10T137/6851—With casing, support, protector or static constructional installations
- Y10T137/6918—With hose storage or retrieval means
- Y10T137/6932—With retrieval means
-
- 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
- Y10T137/00—Fluid handling
- Y10T137/6851—With casing, support, protector or static constructional installations
- Y10T137/6918—With hose storage or retrieval means
- Y10T137/6954—Reel with support therefor
Landscapes
- Handcart (AREA)
Abstract
The present invention relates to portable hose reel carts for handling and storage of large lengths of flexible hoses, such as garden or air hoses. The cart is constructed of plastic and steel components having a centrally rotatable spool for winding of the flexible hose, a frame for supporting the spool, wheels at each end of the base of the frame, and a handle assembly attached to the frame to facilitate moving the cart. The crank handle assembly which may or may not be foldable for easy storage. The cart includes a large tray for storage and transport of garden supplies.
Description
4 This invention pertains to carts for use in storage of flexible hoses, and more particularly to a hose reel cart 6 having structural components made from both metal and plastic 7 thereby creating a lightweight and durable hose reel cart 8 having improved stability and maneuverability.
BACKGROUND INFORMATION
11 Portable hose reel carts for handling and storage of 12 flexible elongate tubular members, such as garden hoses, air 13 hoses and the like, have gained wide public acceptance.
14 While the construction of hose reel carts is quite varied, such carts are primarily constructed entirely from metal or 16 entirely of molded plastic components. Hose reel carts 17 generally have a centrally disposed rotatable spool and crank 18 handle for reeling of the flexible hose, a frame for 19 supporting the spool rotatable by a crank, two wheels at one end of the base of the frame, and a frame handle for tilting 21 the frame onto the two wheels to facilitate moving the cart.
22 The frame handle and/or crank handle may or may not be 23 foldable for purposes of shipping and/or storage. For more 24 information concerning the structure and operation of hose 1 reel carts, reference may be made to U.S. Patent No. RE.
2 32,510, the teachings of which are hereby incorporated by 3 reference.
4 It is generally recognized that hose reels are often stored outside and thus are subjected to the adverse 6 elements, e.g. hot and cold temperatures, rain, snow, ice and 7 dirt.- It has been found that hose reel carts formed 8 exclusively from molded plastic or polymeric material are 9 lightweight and resistant to corrosion caused by the elements. However, the plastic structures are currently 11 unable to withstand the elements for extended periods of time 12 without becoming brittle or warping. It has also been found 13 in practice that prior art hose reel carts made predominantly 14 of metal are robust and sturdy. However, metal hose reel carts have a tendency to corrode when their protective 16 surface becomes damaged or worn away through usage.
17 It is also generally recognized that some end users may 18 drain fluid from the hose prior to rewinding it about the 19 hose spool while others rewind the hose about the spool while it is still full of water. Each situation creates its own 21 unique set of problems. Lightweight polymeric structures 22 are generally unable to withstand the weight of large amounts 23 of filled water hose and thus are limited in size and/or hose 24 capacity. Still yet, many of these polymeric hose reel 1 structures are not able to withstand the peripheral forces 2 transmitted to a hose reel when an empty hose is communicated 3 with a fluid source under pressure while still wound around 4 the reel. Often, the repeated application of such forces results in structural failure of the hose spool.
6 Hose reel carts constructed predominantly of metal are 7 robust and sturdy, and able to accommodate repeated 8 application of peripheral forces. However, these carts tend 9 to be exceptionally heavy, making them less amenable to being pushed or pulled by the user over rough surfaces. Large 11 amounts of heavy filled hose compound the problem of 12 portability and are likely to raise the center of gravity.
13 The raised center of gravity may make the cart easy to tip 14 over and dangerous for the user.
Additionally, most of the prior art hose reel carts, 16 whether plastic or steel, utilize injection molded hard 17 plastic tires. While these tires are lightweight and 18 inexpensive to manufacture, they are often prone to damage, 19 especially when used directly upon rough surfaces, such as gravel, sand or brushed concrete. Additionally, plastic 21 tires do not respond well to static or dynamic loads when 22 used on soft surfaces. That is, as the load increases the 23 tread width remains the same allowing the tire to sink into 24 the surface. In contrast, floatation tires, such as rubber 1 pneumatic tires, provide compression. As the compressive 2 load increases the tire gets wider, increasing the hose reel 3 footprint. The increased footprint allows the cart to float 4 over soft surfaces and reduces the forces required to move the cart.
6 To this end, what is needed in the art is a portable 7 hose reel cart capable of storing a large amount, e.g. more 8 than 150 feet, of filled or unfilled hose. The hose reel 9 cart should be capable of withstanding adverse conditions for extended periods of time without warping or cracking. The 11 hose reel cart should have a supporting enclosure able to 12 provide optimum strength while maintaining minimal weight 13 through the use of both plastic and metal components. The 14 hose reel cart should include durable pneumatic tires for increased load portability across soft and rough surfaces.
16 The present invention utilizes four plastic coated metal 17 corner-posts, floatation tires and hollow metal transverse 18 frame members that are tightly fitted or integrally molded 19 into plastic side frame members for lightweight yet durable construction. Utilization of the combination of plastic and 21 metal permits the construction of large lightweight portable 22 hose reel carts when compared to those taught by the prior 23 art. As used herein the terms "plastic coated metal" and 24 "metal reinforced polymeric structural panel" refers to a 1 structural component formed from one or more polymeric resins 2 in combination with at least one metallic reinforcing 3 structure. The polymeric portion of the component may be 4 formed to tightly accept the metallic structure after molding or the polymeric portion of the component may be molding 6 around the metallic structure. U.S. Patent No. 5,007,598 7 illustrates a commonly found portable hose cart including a 8 molded plastic handle connected to the plastic frame sides.
9 This disclosure requires the user place their foot behind a rear bar and pull the handle rearwardly and down such that 11 the cart can be tilted to such a degree as to allow the front 12 feet of the cart to be lifted off the ground and onto the two 13 back wheels in order to transport it from location to 14 location. It can be difficult for a user of small stature to tip the hose laden cart backward, as well as dangerous should 16 the user tip the cart too far back causing the cart to topple 17 over on top of them.
18 Similarly, U.S. Patent No. 6,338,360 shows a hose reel 19 carrier assembly with a tray for storage. The cart also has two plastic wheels which can be mounted on common or separate 21 axles. In order to move this hose carrier, the user must 22 lift the side opposite of the wheels upward by a handle, such 23 that the feet underneath the handle are off the ground. In 24 order to move it forward, the user must then push against the I carrier while still lifting the weight of the carrier and 2 hose, making it extremely difficult for many individuals to 3 use, especially on uneven or rough terrain.
4 "Suncast Metal Hose Reel" model no. MHR300 illustrates a metal frame construction capable of holding 300 feet of hose 6 on four pneumatic wheels. Similarly, the Ames@ "Steel Hose 7 Caddy" model no. HR93 illustrates a similar solid steel 8 construction for storage of 200 ft of 5/8 inch hose on two 9 pneumatic 20 inch rear tires with two smaller front tires.
However, these hose carts do not include a tray to carry 11 garden tools. Additionally, the cart frames are made 12 entirely of metal making them heavy, especially when laden 13 with over .150 feet of hose, and therefore not easily 14 transported across uneven or soft ground.
While the foregoing described prior art devices have 16 improved the art and in some instances enjoyed commercial 17 success, there remains nonetheless a continuing need in the 18 art for a corrosion resistant lightweight hose reel cart with 19 tray, which uses a combination of polymeric and steel components of stable construction so as to support large 21 lengths of hose and other garden accessories while 22 maintaining the portability to be easily navigated over 23 difficult terrain without having to tilt the cart.
2 The hose reel cart of the present invention utilizes 3 construction consisting of plastic and steel components for 4 increased durability and stability while still remaining lightweight for increased hose capacity and portability. By 6 utilizing four plastic coated steel corner-posts, floatation 7 tires, and hollow steel transverse frame members that are 8 fitted or integrally molded into plastic side frame members, 9 a lightweight yet durable hose reel cart may be constructed.
Additionally, the hose reel cart is provided with corrosion 11 resistant plastic wheels. The wheels are provided with 12 roller bearings for ease of mobility. The hose reel cart may 13 be preassembled at the factory thereby eliminating the need 14 for assembly and associated product packaging. The hose is wound around the spool by use of a crank providing a direct 16 rotational link between the crank and the winding of the 17 spool. During non-use, a handle on the crank is placed into 18 a storage position by pivoting the handle about one end of 19 the crank arm. Moreover, the crank arm and handle can be positioned on either side of the frame providing left or 21 right handed operation. Utilization of the combination of 22 plastic and steel permits the construction of large 23 lightweight portable hose reel carts.
1 Thus, the instant invention seeks to provide a readily 2 portable hose reel cart wherein all components are 3 preassembled so as to eliminate the need for assembly by the 4 consumer, yet allow repeatable storage by providing for the use of a foldable crank handle.
6 Another aspect of the invention seeks to provide a 7 portable hose reel cart utilizing a combination of molded 8 plastic and plastic covered metal components for improved 9 corrosion resistance, strength and rigidity.
A further aspect of the present invention seeks to 11 provide a portable hose reel cart with tray atop a combination 12 plastic and steel frame structure having four large floatation 13 tires to easily transport heavy and/or large lengths of hose 14 cross uneven or rough terrain.
In a broad aspect, the invention seeks to provide a 16 portable hose reel cart for windably holding an elongated hose 17 member and for use in transporting the hose member between a 18 storage location and a use location. The hose reel cart 19 comprises an enclosure assembly defined by plastic coated steel corner posts and polymeric structural panels extending 21 therebetween, the enclosure assembly including a spool 22 positioned between at least two of the structural panels and 23 operably connected thereto for rotation of the spool about an 24 axis of rotation. The spool has a hub defining the axis of rotation and a pair of flanges at opposing ends of the hub and 1 perpendicular to said axis of rotation. A crank assembly is 2 releasably insertable through a centrally located aperture 3 located in the structural panels, thereby providing direct 4 coupling to the spool for providing manual rotational movement of the spool in relation to the enclosure. A hose coupler 6 includes a sliding seal arrangement releasably insertable 7 through a centrally located aperture located in the structural 8 panels, and the sliding seal arrangement is constructed and 9 arranged for connection to a pressurized fluid source in a manner that allows rotation of the spool about the axis of 11 rotation.
12 Other aspects and advantages of this invention will 13 become apparent from the following description taken in 14 conjunction with the accompanying drawings wherein are set forth, by way of illustration and example, certain embodiments 16 of this invention. The drawings constitute a part of the 17 specification and include exemplary embodiments of the present 18 invention and illustrate various aspects and features thereof.
8a 2 FIG. 1 is a front perspective view of the instant 3 invention;
4 FIG. 2 is a rear perspective view of the instant invention;
6 FIG. 3 is an exploded view of the instant invention;
7 FIG. 4 is a top view of the instant invention;
8 FIG. 5 is a bottom view of the instant invention;
9 FIG. 6. is a front view of the instant invention;
FIG. 7. is a rear view of the instant invention;
11 FIG. B. is a left side view of the instant invention;
12 FIG. 9. is a perspective of the folding crank handle 13 utilized by the instant invention;
14 FIG. 10. is a cross sectional view of the folding crank handle of Fig. 9 taken along lines 1-1 of Fig. 6;
16 FIG. 11. is a perspective view of the sliding seal 17 arrangement utilized in the instant invention;
18 FIG. 12. is a cross sectional view of the floatation 19 tires utilized in the instant invention taken along lines 2-2 of Fig 8.
2 Referring now to FIGS. 1-8,, wherein like elements are 3 numbered consistently throughout, there is shown a portable 4 hose cart generally indicated by the reference number 20, embodying the principles of the present invention. The hose 6 reel cart 20 is useful for holding, paying out and 7 transporting large amounts of hose 22 between a storage 8 location and a use location. The major components of the 9 hose reel cart include an enclosure assembly 21, a spool or reel assembly 26 coupled to a crank handle assembly 28, a 11 tray 52, a handle member 82 and four of wheel assemblies 48.
12 In a typical arrangement, the cart 20 is able store upwards 13 of 300 feet of a 5/8 inch common hose on the reel 26.
14 The enclosure assembly 21 includes a pair of generally vertical front support posts 38 and a pair of generally 16 vertical rear support posts 42. The support posts are 17 preferably constructed having an inner metal portion 37 and 18 an outer polymeric portion 39 (FIG. 3). In this manner the 19 support posts provide increased structural rigidity as well as corrosion resistance. Moreover, tabs, supports and other 21 structural enhancements (not shown) may be integrally formed 22 onto the outer surface of the vertical support posts. The 23 upper portion of the rear support posts 42 preferably 24 includes an integral elbow portion 40. for attachment of a 1 structural handle 82. The structural handle 82, shown in 2 FIGS 1-8, is linked to the elbow portion 40 of rear frame 3 members 42 and extends rearwardly from the tray 52. The 4 handle 82 includes a handgrip portion 84 which extends between the mounting arms 85 and is attached to the upper end 6 43 of the support posts 42 via a bolt assembly 150, or by any 7 other fastener means well known in the art. The handgrip 8 portion 84 provides a comfortable handhold to receive the 9 fingers of both hands of the person pushing or pulling the cart 20.
11 Interconnecting the top end portions 36, 43 of the frame 12 members 38, 42 is a storage box or tray 52 for storing 13 gardening supplies or tools (not shown) so they can be easily 14 accessed. The tray 52 comprises a generally rectangular floor or base 62, a vertical front wall 54, a rear wall 56, 16 left and right side walls 58. The base 62 preferably 17 includes a plurality of openings 70 of such a size as to 18 permit draining of water, dirt, and other small particles of 19 debris.
In a preferred embodiment, the tray 52 includes a 21 plurality of integrally formed vertical sleeves 110 located 22 at the corners of the tray, such that the support posts 38, 23 42 snugly fit into the sleeves 110. Similarly, the rear 24 support posts 42 extend through sleeves 110 connected to the I rear wall 56, such that the elbow 40 is located at or above 2 the sleeve 110. In this manner the handle 82 is located at a 3 convenient height for gripping by the user. Fasteners 150 4 are utilized to extend through suitable openings 152 formed in sleeves 110 to effect the final rigid securement. One of 6 ordinary skill will recognize that a variety of fasteners as 7 well as other fastening means well known in the art may 8 alternatively be utilized.
9 The tray 52 includes a plurality of vertical slots 74 formed within one or more of the tray walls, herein 11 illustrated in rear wall 56, for storing the free end of a 12 hose when not connected to a fluid source to prevent hose 13 ends from dragging along the ground when the cart is moving.
14 The slots 74 can be used to hold other tools, e.g. hose nozzle, or the like (not shown). The slots can include a 16 retaining lip (not shown) to prevent objects from sliding 17 out, as discussed in U.S. Patent 6,086,073 which may be refer-18 red to for further details. As best seen in FIG 5, the bottom 19 surface of the tray can comprise additional material integrally attached thereto forming reinforcement ribs 101 21 for enhanced rigidity of the tray. In an alternative 22 embodiment the tray may include metal reinforcements (not 23 shown) integrally molded therein to provide additional 24 rigidity and weight capacity.
1 In the preferred embodiment, the front and rear support 2 posts 38 and 42 are constructed to extend through integral 3 congruent sleeves 110 formed along at least one edge portion 4 of a pair of structural panels 66, the corners of the upper tray 52 and the wheel support assemblies 48 for connection 6 thereto. However other means of connection will be 7 recognized by those skilled in the art, e.g. clips, split 8 collars, clamps and the like. The generally rectangular 9 shaped structural sides 66 are complementary to each other and both include centrally disposed journaled apertures 140 11 sized for receipt of hub portions 130, crank assembly and 12 sliding seal arrangement as discussed below.
13 In one preferred embodiment, the front support posts 38 14 are constructed to extend through at least one of the integral sleeves 110 formed on the front edge portions of 16 each pair of wheel support assemblies 48. Similarly, the 17 rear support posts 42 are constructed to extend through each 18 of the integral sleeves 110 formed on the rear edge portions 19 of wheel support assembly 48. Fasteners 150 designed to extend through suitable openings 152 formed in sleeves 110 21 and vertical support members 38, 42 effect the final rigid 22 securement. One of ordinary skill will recognize that a 23 variety of fasteners as well as other fastening means well 24 known in the art may alternatively be utilized.
1 Additionally, the enclosure includes a pair of generally 2 horizontally guide rails 34 along which a movable hose guide 3 72 slides to facilitate even distribution of the hose 22 onto 4 the spool 26. The pair of guide rails 42 are secured to and extend between the structural panels 66 and increase the 6 structural integrity of the cart 20. The lower portion of 7 the enclosure 21 includes a pair of spaced apart and opposing 8 wheel support panels 48 for attaching floatation type tires 9 300.
Referring now to FIG. 3, there `is shown the two 11 substantially identical wheel support panels 48. Each wheel 12 support panel 48 includes a hub, or aperture, 304. Two 13 transverse axles 86 extend laterally across the cart 20 such 14 that the end portion of each axle 86 extends through the hub 304 of each opposing wheel support panel 48 to rotatably 16 secure four floatation wheels 300 thereto. Additionally, the 17 wheel support panels 48 include gussets 49 extending between 18 the hubs 304 and the outer wall of ' the support panels 48 to 19 provide additional structural rigidity. In an alternative embodiment, not shown, the wheel support panels may include 21 integrally formed metal to provide additional structural 22 rigidity and'weight capacity.
23 As shown in FIG. 12, each of the four wheel assemblies 24 300 include a rim 306 with a central opening 302 for receipt 1 of the axle 86. In a preferred embodiment the rim 306 2 includes a bore 303 for mounting at least one bearing member 3 312, e.g. ball bearing, roller bearing or bushing. Such 4' bearings 312 include an inner ring having an axial opening for receiving an axle therein and an outer ring seated within 6 the bore 303 of the wheel. This facilitates rotation of the 7 wheel and tire when the cart is moved. Moreover, the rim 306 8 can include radial spokes 308 (FIG. 2) extending radially 9 from the central opening 302 for increased rigidity.
In a preferred embodiment, floatation tires 310, e.g.
11 pneumatic tires are annularly and circumferentially placed 12 around the outer circumference of rim 306 to provide shock 13 absorption, large footprint, improved handling and 14 maneuvering. The tire 310 may be made from any natural rubber, synthetic rubber or suitable combination thereof as 16 is well known in the art. The floatation tires are 17 preferably greater than 8 inches in diameter to substantially 18 elevate the wheel support assemblies 48 above tall grass, 19 rocks, etc. Additionally, as illustrated in FIGS. 5 and 13, the floatation tires 310 can include treads 314 for better 21 traction.
22 Referring to FIG. 3, the spool assembly 26 includes a 23 central hub 28 constructed from two identical halves 114 and 24 116 which are secured to each other and to the radially 1 extending flanges 32. The connection can be accomplished via 2 interlocking tabs or screws (not shown), such an arrangement 3 can be viewed in U.S. Patent 5,007,598 which may be referred 4 to for further details. The hose 22 is wrapped around the reel 26 between the flanges 32. Centrally 6 disposed in each flange 32 is an axial extending hub 130 7 which is inserted into the journaled apertures 140 formed in 8 either of structural panel 66. In this manner the spool is 9 rotatable about axis A (FIG. 1, 2). The reel halves 114, 116 and flanges 32 can be made of plastic material such as, 11 polyethylene, or any other plastic, metal or suitable 12 combination thereof known in the art.
13 As best illustrated in FIG. 3 and FIG. 11, the hose reel 14 26 includes a hose connector 150 composed of a out-tube coupler 78 and a in-tube coupler 152. The in-tube coupler 16 152 contains female threads for attachment to leader hose 80 17 (FIG. 1) which is in fluid communication with a pressurized 18 fluid source. The in-tube coupler 152 can be mounted to 19 either one of the vertical panels 66 at about the axis of rotation A of the reel 26. Alignment tabs 156 formed on the 21 In-tube coupler 152 extend through the structural panel 66 22 and engage four equal spaced indentations (not shown) formed 23 on the inside surface of the hub 130. The in-tube coupler 24 152 includes a molded outlet tube 158 having o-rings 160 for I engagement with the interior of the out-tube 78 by a sliding 2 seal arrangement so that the female adapter 152 remains fixed 3 to the structural panels 66, while the out-tube 78 rotates 4 with the reel 26 such that the female adapter 152 and out-tube 78 remain in fluid communication with one another as 6 described in U.S. Patent. No. RE. 32,510, which may be referred 7 to for further details. This arrangement permits rotation of 8 reel 26 without twisting or torquing internal components, while 9 maintaining sealed fluid communication between the fluid supply and the hose. The coupling arrangement can also 11 include a syringe type attachment means (not shown) for quick 12 access to replaceable o-rings as discussed in U.S. 5,425,391 13 which also may be referred to for further details.
14 As illustrated in FIGS. 3, 10 and 11, the crank handle assembly 28 is operably connected to the reel 26 so that 16 rotation of the crank 28 rotates the spool to pick-up or 17 payout the hose 22 for storage or use. The crank 28 has a 18 split axle 183 which telescopes into either hub 130 and 19 resiliently engages the spaced indentations (not shown) formed on the hub with tangs 184. The crank 28 is held in 21 place by the interrupted flange 185. The split axle 183 can 22 be compressed to remove the crank 28 from the reel 26 for 23 placement on either end of the reel as desired.
1 _ The crank 28 is formed with an elongated depression 2 which is shaped to accept the handle 186 when in the stored 3 position. The handle 186 rotates about pin 206 fixed on the 4 end of the crank 28 and journaled to the end of the handle 186. The connection 200 between the handle 186 and the crank 6 28 permits repeated locking movement of the handle 186 from 7 the stored position to the operative position.
8 The handle 186, shown in FIGS 10-11, turns in the 9 operator's hand as the reel is manually rotated to wind the hose 22. As shown in FIG. 10, the handle 186 has a sleeve 11 207 which turns about the handle 186 to provide a constant 12 gripping surface as the handle 186 is manually rotated to 13 wind the hose 22. The sleeve 207 is a resilient tubular 14 structure with an inner circumferential flange 208 at the outer end. The flange 208 forms a friction fit with the 16 circumferential groove 209 so that the sleeve 207 and the 17 handle 186 can be rotated relative to each other. The flange 18 208 and groove 209 prevent the sleeve 207 from disengaging 19 with the handle 186. Obviously, these elements could be reversed with the flange 208 on the handle 186 and the groove 21 209 in the sleeve 207.
22 Referring to FIG. 8, the hose guide 72 prevents the 23 user from touching the potentially dirty hose when winding up 24 the hose. The hose guide 72 comprises an opening 32 though --------- -1 which the hose 22 passes and a handle 118 for gripping by the 2 user. By rotating the spool 26 in concert with reciprocating 3 the hose guide 72, the user is able, to neatly and evenly 4 distribute the hose 22 across the spool 26, with adjacent turns of each layer aligned next to the previous one. The 6 hose reel cart 20 provides a "base-station" when coupled to a 7 water or air outlet; e.g., a water spigot or source of 8 compressed air, so that an operator can pay-out as much hose 9 22 as needed while the leader hose 78 remains coupled in fluid communication with the water or air supply (not shown).
11 In a preferred embodiment the various enclosure members, 12 e.g. handle portion 85, crank 28, wheel support assemblies 13 48, tray 52, spool 26, flanges 32, hose guide 72, rim 306 and 14 structural panels 66 are formed primarily from high density polyethylene (HDPE) using an injection molding process, this 16 provides increased corrosion resistance and thereby helps to 17 decreases the overall weight of the cart. Those skilled in 18 the art will recognize that there are other various high 19 strength polymeric (plastic) material, such as polystyrene or the like that can be used to form the above mentioned 21 enclosure members. Additionally, the various enclosure 22 members can include a plurality of reinforcing metal members 23 and or ribs 100 (FIG. 3) for additional structural strength I and support, without detracting from the aesthetic appearance 2 of the cart once assembled.
3 Referring to FIG. 3, in the preferred embodiment the 4 support posts 38, 42, guide rails 64 and axles 86 are made from metal and include an impact resistant coating such as 6 polyethylene or polypropylene, as disclosed in U.S. Patent 7 5,998,552, the contents of which may be referred to for further 8 details. The plastic coating protects the steel frame 9 members from water, liquid fertilizer, corrosive chemicals and other liquid to prevent rust and corrosion of the metal, 11 while providing structural rigidity to the cart 20.
12 Additionally, the metal members may be hollow or extruded 13 forms which will also aid in decreasing the overall weight of 14 the assembly without sacrificing rigidity. One of ordinary skill will recognize the shape of the tubular members is not 16 restricted and can be circular, -oval, rectangular, etc. In 17 yet a further alternative embodiment tabs, supports and other 18 structural enhancements (not shown) may be integrally formed 19 onto the outer surface of the metal vertical support posts.
All patents and publications mentioned in this 21 specification are indicative of the levels of those skilled 22 in the art to which the invention pertains. All patents and 23 publications are herein incorporated by reference to the same 24 extent as if each individual publication was specifically and I individually indicated to be incorporated by reference.
2 It is to be understood that while a certain form of the 3 invention is illustrated, it is not to be limited to the 4 specific form or arrangement of parts herein described and shown. It will be apparent to those skilled in the art that 6 various changes may be made without departing from the scope 7 of the invention and the invention is not to be considered 8 limited to what is shown and described in the specification.
9 One skilled in the art will readily appreciate that the present invention is well adapted to carry out the objects 11 and obtain the ends and advantages mentioned, as well as 12 those inherent therein. Any compounds, methods, procedures 13 and techniques described herein are presently representative 14 of the preferred embodiments, are intended to be exemplary and are not intended as limitations on the scope. Changes 16 therein and other uses will occur to those skilled in the art 17 which are encompassed within the spirit of the invention and 18 are defined by the scope of the appended claims. Although 19 the invention has been described in connection with specific preferred embodiments, it should be understood that the 21 invention as claimed should not be unduly limited to such 22 specific embodiments. Indeed, various modifications of the 23 described modes for carrying out the invention which are 1 obvious to those skilled in the art are intended to be within 2 the scope of the following claims.
BACKGROUND INFORMATION
11 Portable hose reel carts for handling and storage of 12 flexible elongate tubular members, such as garden hoses, air 13 hoses and the like, have gained wide public acceptance.
14 While the construction of hose reel carts is quite varied, such carts are primarily constructed entirely from metal or 16 entirely of molded plastic components. Hose reel carts 17 generally have a centrally disposed rotatable spool and crank 18 handle for reeling of the flexible hose, a frame for 19 supporting the spool rotatable by a crank, two wheels at one end of the base of the frame, and a frame handle for tilting 21 the frame onto the two wheels to facilitate moving the cart.
22 The frame handle and/or crank handle may or may not be 23 foldable for purposes of shipping and/or storage. For more 24 information concerning the structure and operation of hose 1 reel carts, reference may be made to U.S. Patent No. RE.
2 32,510, the teachings of which are hereby incorporated by 3 reference.
4 It is generally recognized that hose reels are often stored outside and thus are subjected to the adverse 6 elements, e.g. hot and cold temperatures, rain, snow, ice and 7 dirt.- It has been found that hose reel carts formed 8 exclusively from molded plastic or polymeric material are 9 lightweight and resistant to corrosion caused by the elements. However, the plastic structures are currently 11 unable to withstand the elements for extended periods of time 12 without becoming brittle or warping. It has also been found 13 in practice that prior art hose reel carts made predominantly 14 of metal are robust and sturdy. However, metal hose reel carts have a tendency to corrode when their protective 16 surface becomes damaged or worn away through usage.
17 It is also generally recognized that some end users may 18 drain fluid from the hose prior to rewinding it about the 19 hose spool while others rewind the hose about the spool while it is still full of water. Each situation creates its own 21 unique set of problems. Lightweight polymeric structures 22 are generally unable to withstand the weight of large amounts 23 of filled water hose and thus are limited in size and/or hose 24 capacity. Still yet, many of these polymeric hose reel 1 structures are not able to withstand the peripheral forces 2 transmitted to a hose reel when an empty hose is communicated 3 with a fluid source under pressure while still wound around 4 the reel. Often, the repeated application of such forces results in structural failure of the hose spool.
6 Hose reel carts constructed predominantly of metal are 7 robust and sturdy, and able to accommodate repeated 8 application of peripheral forces. However, these carts tend 9 to be exceptionally heavy, making them less amenable to being pushed or pulled by the user over rough surfaces. Large 11 amounts of heavy filled hose compound the problem of 12 portability and are likely to raise the center of gravity.
13 The raised center of gravity may make the cart easy to tip 14 over and dangerous for the user.
Additionally, most of the prior art hose reel carts, 16 whether plastic or steel, utilize injection molded hard 17 plastic tires. While these tires are lightweight and 18 inexpensive to manufacture, they are often prone to damage, 19 especially when used directly upon rough surfaces, such as gravel, sand or brushed concrete. Additionally, plastic 21 tires do not respond well to static or dynamic loads when 22 used on soft surfaces. That is, as the load increases the 23 tread width remains the same allowing the tire to sink into 24 the surface. In contrast, floatation tires, such as rubber 1 pneumatic tires, provide compression. As the compressive 2 load increases the tire gets wider, increasing the hose reel 3 footprint. The increased footprint allows the cart to float 4 over soft surfaces and reduces the forces required to move the cart.
6 To this end, what is needed in the art is a portable 7 hose reel cart capable of storing a large amount, e.g. more 8 than 150 feet, of filled or unfilled hose. The hose reel 9 cart should be capable of withstanding adverse conditions for extended periods of time without warping or cracking. The 11 hose reel cart should have a supporting enclosure able to 12 provide optimum strength while maintaining minimal weight 13 through the use of both plastic and metal components. The 14 hose reel cart should include durable pneumatic tires for increased load portability across soft and rough surfaces.
16 The present invention utilizes four plastic coated metal 17 corner-posts, floatation tires and hollow metal transverse 18 frame members that are tightly fitted or integrally molded 19 into plastic side frame members for lightweight yet durable construction. Utilization of the combination of plastic and 21 metal permits the construction of large lightweight portable 22 hose reel carts when compared to those taught by the prior 23 art. As used herein the terms "plastic coated metal" and 24 "metal reinforced polymeric structural panel" refers to a 1 structural component formed from one or more polymeric resins 2 in combination with at least one metallic reinforcing 3 structure. The polymeric portion of the component may be 4 formed to tightly accept the metallic structure after molding or the polymeric portion of the component may be molding 6 around the metallic structure. U.S. Patent No. 5,007,598 7 illustrates a commonly found portable hose cart including a 8 molded plastic handle connected to the plastic frame sides.
9 This disclosure requires the user place their foot behind a rear bar and pull the handle rearwardly and down such that 11 the cart can be tilted to such a degree as to allow the front 12 feet of the cart to be lifted off the ground and onto the two 13 back wheels in order to transport it from location to 14 location. It can be difficult for a user of small stature to tip the hose laden cart backward, as well as dangerous should 16 the user tip the cart too far back causing the cart to topple 17 over on top of them.
18 Similarly, U.S. Patent No. 6,338,360 shows a hose reel 19 carrier assembly with a tray for storage. The cart also has two plastic wheels which can be mounted on common or separate 21 axles. In order to move this hose carrier, the user must 22 lift the side opposite of the wheels upward by a handle, such 23 that the feet underneath the handle are off the ground. In 24 order to move it forward, the user must then push against the I carrier while still lifting the weight of the carrier and 2 hose, making it extremely difficult for many individuals to 3 use, especially on uneven or rough terrain.
4 "Suncast Metal Hose Reel" model no. MHR300 illustrates a metal frame construction capable of holding 300 feet of hose 6 on four pneumatic wheels. Similarly, the Ames@ "Steel Hose 7 Caddy" model no. HR93 illustrates a similar solid steel 8 construction for storage of 200 ft of 5/8 inch hose on two 9 pneumatic 20 inch rear tires with two smaller front tires.
However, these hose carts do not include a tray to carry 11 garden tools. Additionally, the cart frames are made 12 entirely of metal making them heavy, especially when laden 13 with over .150 feet of hose, and therefore not easily 14 transported across uneven or soft ground.
While the foregoing described prior art devices have 16 improved the art and in some instances enjoyed commercial 17 success, there remains nonetheless a continuing need in the 18 art for a corrosion resistant lightweight hose reel cart with 19 tray, which uses a combination of polymeric and steel components of stable construction so as to support large 21 lengths of hose and other garden accessories while 22 maintaining the portability to be easily navigated over 23 difficult terrain without having to tilt the cart.
2 The hose reel cart of the present invention utilizes 3 construction consisting of plastic and steel components for 4 increased durability and stability while still remaining lightweight for increased hose capacity and portability. By 6 utilizing four plastic coated steel corner-posts, floatation 7 tires, and hollow steel transverse frame members that are 8 fitted or integrally molded into plastic side frame members, 9 a lightweight yet durable hose reel cart may be constructed.
Additionally, the hose reel cart is provided with corrosion 11 resistant plastic wheels. The wheels are provided with 12 roller bearings for ease of mobility. The hose reel cart may 13 be preassembled at the factory thereby eliminating the need 14 for assembly and associated product packaging. The hose is wound around the spool by use of a crank providing a direct 16 rotational link between the crank and the winding of the 17 spool. During non-use, a handle on the crank is placed into 18 a storage position by pivoting the handle about one end of 19 the crank arm. Moreover, the crank arm and handle can be positioned on either side of the frame providing left or 21 right handed operation. Utilization of the combination of 22 plastic and steel permits the construction of large 23 lightweight portable hose reel carts.
1 Thus, the instant invention seeks to provide a readily 2 portable hose reel cart wherein all components are 3 preassembled so as to eliminate the need for assembly by the 4 consumer, yet allow repeatable storage by providing for the use of a foldable crank handle.
6 Another aspect of the invention seeks to provide a 7 portable hose reel cart utilizing a combination of molded 8 plastic and plastic covered metal components for improved 9 corrosion resistance, strength and rigidity.
A further aspect of the present invention seeks to 11 provide a portable hose reel cart with tray atop a combination 12 plastic and steel frame structure having four large floatation 13 tires to easily transport heavy and/or large lengths of hose 14 cross uneven or rough terrain.
In a broad aspect, the invention seeks to provide a 16 portable hose reel cart for windably holding an elongated hose 17 member and for use in transporting the hose member between a 18 storage location and a use location. The hose reel cart 19 comprises an enclosure assembly defined by plastic coated steel corner posts and polymeric structural panels extending 21 therebetween, the enclosure assembly including a spool 22 positioned between at least two of the structural panels and 23 operably connected thereto for rotation of the spool about an 24 axis of rotation. The spool has a hub defining the axis of rotation and a pair of flanges at opposing ends of the hub and 1 perpendicular to said axis of rotation. A crank assembly is 2 releasably insertable through a centrally located aperture 3 located in the structural panels, thereby providing direct 4 coupling to the spool for providing manual rotational movement of the spool in relation to the enclosure. A hose coupler 6 includes a sliding seal arrangement releasably insertable 7 through a centrally located aperture located in the structural 8 panels, and the sliding seal arrangement is constructed and 9 arranged for connection to a pressurized fluid source in a manner that allows rotation of the spool about the axis of 11 rotation.
12 Other aspects and advantages of this invention will 13 become apparent from the following description taken in 14 conjunction with the accompanying drawings wherein are set forth, by way of illustration and example, certain embodiments 16 of this invention. The drawings constitute a part of the 17 specification and include exemplary embodiments of the present 18 invention and illustrate various aspects and features thereof.
8a 2 FIG. 1 is a front perspective view of the instant 3 invention;
4 FIG. 2 is a rear perspective view of the instant invention;
6 FIG. 3 is an exploded view of the instant invention;
7 FIG. 4 is a top view of the instant invention;
8 FIG. 5 is a bottom view of the instant invention;
9 FIG. 6. is a front view of the instant invention;
FIG. 7. is a rear view of the instant invention;
11 FIG. B. is a left side view of the instant invention;
12 FIG. 9. is a perspective of the folding crank handle 13 utilized by the instant invention;
14 FIG. 10. is a cross sectional view of the folding crank handle of Fig. 9 taken along lines 1-1 of Fig. 6;
16 FIG. 11. is a perspective view of the sliding seal 17 arrangement utilized in the instant invention;
18 FIG. 12. is a cross sectional view of the floatation 19 tires utilized in the instant invention taken along lines 2-2 of Fig 8.
2 Referring now to FIGS. 1-8,, wherein like elements are 3 numbered consistently throughout, there is shown a portable 4 hose cart generally indicated by the reference number 20, embodying the principles of the present invention. The hose 6 reel cart 20 is useful for holding, paying out and 7 transporting large amounts of hose 22 between a storage 8 location and a use location. The major components of the 9 hose reel cart include an enclosure assembly 21, a spool or reel assembly 26 coupled to a crank handle assembly 28, a 11 tray 52, a handle member 82 and four of wheel assemblies 48.
12 In a typical arrangement, the cart 20 is able store upwards 13 of 300 feet of a 5/8 inch common hose on the reel 26.
14 The enclosure assembly 21 includes a pair of generally vertical front support posts 38 and a pair of generally 16 vertical rear support posts 42. The support posts are 17 preferably constructed having an inner metal portion 37 and 18 an outer polymeric portion 39 (FIG. 3). In this manner the 19 support posts provide increased structural rigidity as well as corrosion resistance. Moreover, tabs, supports and other 21 structural enhancements (not shown) may be integrally formed 22 onto the outer surface of the vertical support posts. The 23 upper portion of the rear support posts 42 preferably 24 includes an integral elbow portion 40. for attachment of a 1 structural handle 82. The structural handle 82, shown in 2 FIGS 1-8, is linked to the elbow portion 40 of rear frame 3 members 42 and extends rearwardly from the tray 52. The 4 handle 82 includes a handgrip portion 84 which extends between the mounting arms 85 and is attached to the upper end 6 43 of the support posts 42 via a bolt assembly 150, or by any 7 other fastener means well known in the art. The handgrip 8 portion 84 provides a comfortable handhold to receive the 9 fingers of both hands of the person pushing or pulling the cart 20.
11 Interconnecting the top end portions 36, 43 of the frame 12 members 38, 42 is a storage box or tray 52 for storing 13 gardening supplies or tools (not shown) so they can be easily 14 accessed. The tray 52 comprises a generally rectangular floor or base 62, a vertical front wall 54, a rear wall 56, 16 left and right side walls 58. The base 62 preferably 17 includes a plurality of openings 70 of such a size as to 18 permit draining of water, dirt, and other small particles of 19 debris.
In a preferred embodiment, the tray 52 includes a 21 plurality of integrally formed vertical sleeves 110 located 22 at the corners of the tray, such that the support posts 38, 23 42 snugly fit into the sleeves 110. Similarly, the rear 24 support posts 42 extend through sleeves 110 connected to the I rear wall 56, such that the elbow 40 is located at or above 2 the sleeve 110. In this manner the handle 82 is located at a 3 convenient height for gripping by the user. Fasteners 150 4 are utilized to extend through suitable openings 152 formed in sleeves 110 to effect the final rigid securement. One of 6 ordinary skill will recognize that a variety of fasteners as 7 well as other fastening means well known in the art may 8 alternatively be utilized.
9 The tray 52 includes a plurality of vertical slots 74 formed within one or more of the tray walls, herein 11 illustrated in rear wall 56, for storing the free end of a 12 hose when not connected to a fluid source to prevent hose 13 ends from dragging along the ground when the cart is moving.
14 The slots 74 can be used to hold other tools, e.g. hose nozzle, or the like (not shown). The slots can include a 16 retaining lip (not shown) to prevent objects from sliding 17 out, as discussed in U.S. Patent 6,086,073 which may be refer-18 red to for further details. As best seen in FIG 5, the bottom 19 surface of the tray can comprise additional material integrally attached thereto forming reinforcement ribs 101 21 for enhanced rigidity of the tray. In an alternative 22 embodiment the tray may include metal reinforcements (not 23 shown) integrally molded therein to provide additional 24 rigidity and weight capacity.
1 In the preferred embodiment, the front and rear support 2 posts 38 and 42 are constructed to extend through integral 3 congruent sleeves 110 formed along at least one edge portion 4 of a pair of structural panels 66, the corners of the upper tray 52 and the wheel support assemblies 48 for connection 6 thereto. However other means of connection will be 7 recognized by those skilled in the art, e.g. clips, split 8 collars, clamps and the like. The generally rectangular 9 shaped structural sides 66 are complementary to each other and both include centrally disposed journaled apertures 140 11 sized for receipt of hub portions 130, crank assembly and 12 sliding seal arrangement as discussed below.
13 In one preferred embodiment, the front support posts 38 14 are constructed to extend through at least one of the integral sleeves 110 formed on the front edge portions of 16 each pair of wheel support assemblies 48. Similarly, the 17 rear support posts 42 are constructed to extend through each 18 of the integral sleeves 110 formed on the rear edge portions 19 of wheel support assembly 48. Fasteners 150 designed to extend through suitable openings 152 formed in sleeves 110 21 and vertical support members 38, 42 effect the final rigid 22 securement. One of ordinary skill will recognize that a 23 variety of fasteners as well as other fastening means well 24 known in the art may alternatively be utilized.
1 Additionally, the enclosure includes a pair of generally 2 horizontally guide rails 34 along which a movable hose guide 3 72 slides to facilitate even distribution of the hose 22 onto 4 the spool 26. The pair of guide rails 42 are secured to and extend between the structural panels 66 and increase the 6 structural integrity of the cart 20. The lower portion of 7 the enclosure 21 includes a pair of spaced apart and opposing 8 wheel support panels 48 for attaching floatation type tires 9 300.
Referring now to FIG. 3, there `is shown the two 11 substantially identical wheel support panels 48. Each wheel 12 support panel 48 includes a hub, or aperture, 304. Two 13 transverse axles 86 extend laterally across the cart 20 such 14 that the end portion of each axle 86 extends through the hub 304 of each opposing wheel support panel 48 to rotatably 16 secure four floatation wheels 300 thereto. Additionally, the 17 wheel support panels 48 include gussets 49 extending between 18 the hubs 304 and the outer wall of ' the support panels 48 to 19 provide additional structural rigidity. In an alternative embodiment, not shown, the wheel support panels may include 21 integrally formed metal to provide additional structural 22 rigidity and'weight capacity.
23 As shown in FIG. 12, each of the four wheel assemblies 24 300 include a rim 306 with a central opening 302 for receipt 1 of the axle 86. In a preferred embodiment the rim 306 2 includes a bore 303 for mounting at least one bearing member 3 312, e.g. ball bearing, roller bearing or bushing. Such 4' bearings 312 include an inner ring having an axial opening for receiving an axle therein and an outer ring seated within 6 the bore 303 of the wheel. This facilitates rotation of the 7 wheel and tire when the cart is moved. Moreover, the rim 306 8 can include radial spokes 308 (FIG. 2) extending radially 9 from the central opening 302 for increased rigidity.
In a preferred embodiment, floatation tires 310, e.g.
11 pneumatic tires are annularly and circumferentially placed 12 around the outer circumference of rim 306 to provide shock 13 absorption, large footprint, improved handling and 14 maneuvering. The tire 310 may be made from any natural rubber, synthetic rubber or suitable combination thereof as 16 is well known in the art. The floatation tires are 17 preferably greater than 8 inches in diameter to substantially 18 elevate the wheel support assemblies 48 above tall grass, 19 rocks, etc. Additionally, as illustrated in FIGS. 5 and 13, the floatation tires 310 can include treads 314 for better 21 traction.
22 Referring to FIG. 3, the spool assembly 26 includes a 23 central hub 28 constructed from two identical halves 114 and 24 116 which are secured to each other and to the radially 1 extending flanges 32. The connection can be accomplished via 2 interlocking tabs or screws (not shown), such an arrangement 3 can be viewed in U.S. Patent 5,007,598 which may be referred 4 to for further details. The hose 22 is wrapped around the reel 26 between the flanges 32. Centrally 6 disposed in each flange 32 is an axial extending hub 130 7 which is inserted into the journaled apertures 140 formed in 8 either of structural panel 66. In this manner the spool is 9 rotatable about axis A (FIG. 1, 2). The reel halves 114, 116 and flanges 32 can be made of plastic material such as, 11 polyethylene, or any other plastic, metal or suitable 12 combination thereof known in the art.
13 As best illustrated in FIG. 3 and FIG. 11, the hose reel 14 26 includes a hose connector 150 composed of a out-tube coupler 78 and a in-tube coupler 152. The in-tube coupler 16 152 contains female threads for attachment to leader hose 80 17 (FIG. 1) which is in fluid communication with a pressurized 18 fluid source. The in-tube coupler 152 can be mounted to 19 either one of the vertical panels 66 at about the axis of rotation A of the reel 26. Alignment tabs 156 formed on the 21 In-tube coupler 152 extend through the structural panel 66 22 and engage four equal spaced indentations (not shown) formed 23 on the inside surface of the hub 130. The in-tube coupler 24 152 includes a molded outlet tube 158 having o-rings 160 for I engagement with the interior of the out-tube 78 by a sliding 2 seal arrangement so that the female adapter 152 remains fixed 3 to the structural panels 66, while the out-tube 78 rotates 4 with the reel 26 such that the female adapter 152 and out-tube 78 remain in fluid communication with one another as 6 described in U.S. Patent. No. RE. 32,510, which may be referred 7 to for further details. This arrangement permits rotation of 8 reel 26 without twisting or torquing internal components, while 9 maintaining sealed fluid communication between the fluid supply and the hose. The coupling arrangement can also 11 include a syringe type attachment means (not shown) for quick 12 access to replaceable o-rings as discussed in U.S. 5,425,391 13 which also may be referred to for further details.
14 As illustrated in FIGS. 3, 10 and 11, the crank handle assembly 28 is operably connected to the reel 26 so that 16 rotation of the crank 28 rotates the spool to pick-up or 17 payout the hose 22 for storage or use. The crank 28 has a 18 split axle 183 which telescopes into either hub 130 and 19 resiliently engages the spaced indentations (not shown) formed on the hub with tangs 184. The crank 28 is held in 21 place by the interrupted flange 185. The split axle 183 can 22 be compressed to remove the crank 28 from the reel 26 for 23 placement on either end of the reel as desired.
1 _ The crank 28 is formed with an elongated depression 2 which is shaped to accept the handle 186 when in the stored 3 position. The handle 186 rotates about pin 206 fixed on the 4 end of the crank 28 and journaled to the end of the handle 186. The connection 200 between the handle 186 and the crank 6 28 permits repeated locking movement of the handle 186 from 7 the stored position to the operative position.
8 The handle 186, shown in FIGS 10-11, turns in the 9 operator's hand as the reel is manually rotated to wind the hose 22. As shown in FIG. 10, the handle 186 has a sleeve 11 207 which turns about the handle 186 to provide a constant 12 gripping surface as the handle 186 is manually rotated to 13 wind the hose 22. The sleeve 207 is a resilient tubular 14 structure with an inner circumferential flange 208 at the outer end. The flange 208 forms a friction fit with the 16 circumferential groove 209 so that the sleeve 207 and the 17 handle 186 can be rotated relative to each other. The flange 18 208 and groove 209 prevent the sleeve 207 from disengaging 19 with the handle 186. Obviously, these elements could be reversed with the flange 208 on the handle 186 and the groove 21 209 in the sleeve 207.
22 Referring to FIG. 8, the hose guide 72 prevents the 23 user from touching the potentially dirty hose when winding up 24 the hose. The hose guide 72 comprises an opening 32 though --------- -1 which the hose 22 passes and a handle 118 for gripping by the 2 user. By rotating the spool 26 in concert with reciprocating 3 the hose guide 72, the user is able, to neatly and evenly 4 distribute the hose 22 across the spool 26, with adjacent turns of each layer aligned next to the previous one. The 6 hose reel cart 20 provides a "base-station" when coupled to a 7 water or air outlet; e.g., a water spigot or source of 8 compressed air, so that an operator can pay-out as much hose 9 22 as needed while the leader hose 78 remains coupled in fluid communication with the water or air supply (not shown).
11 In a preferred embodiment the various enclosure members, 12 e.g. handle portion 85, crank 28, wheel support assemblies 13 48, tray 52, spool 26, flanges 32, hose guide 72, rim 306 and 14 structural panels 66 are formed primarily from high density polyethylene (HDPE) using an injection molding process, this 16 provides increased corrosion resistance and thereby helps to 17 decreases the overall weight of the cart. Those skilled in 18 the art will recognize that there are other various high 19 strength polymeric (plastic) material, such as polystyrene or the like that can be used to form the above mentioned 21 enclosure members. Additionally, the various enclosure 22 members can include a plurality of reinforcing metal members 23 and or ribs 100 (FIG. 3) for additional structural strength I and support, without detracting from the aesthetic appearance 2 of the cart once assembled.
3 Referring to FIG. 3, in the preferred embodiment the 4 support posts 38, 42, guide rails 64 and axles 86 are made from metal and include an impact resistant coating such as 6 polyethylene or polypropylene, as disclosed in U.S. Patent 7 5,998,552, the contents of which may be referred to for further 8 details. The plastic coating protects the steel frame 9 members from water, liquid fertilizer, corrosive chemicals and other liquid to prevent rust and corrosion of the metal, 11 while providing structural rigidity to the cart 20.
12 Additionally, the metal members may be hollow or extruded 13 forms which will also aid in decreasing the overall weight of 14 the assembly without sacrificing rigidity. One of ordinary skill will recognize the shape of the tubular members is not 16 restricted and can be circular, -oval, rectangular, etc. In 17 yet a further alternative embodiment tabs, supports and other 18 structural enhancements (not shown) may be integrally formed 19 onto the outer surface of the metal vertical support posts.
All patents and publications mentioned in this 21 specification are indicative of the levels of those skilled 22 in the art to which the invention pertains. All patents and 23 publications are herein incorporated by reference to the same 24 extent as if each individual publication was specifically and I individually indicated to be incorporated by reference.
2 It is to be understood that while a certain form of the 3 invention is illustrated, it is not to be limited to the 4 specific form or arrangement of parts herein described and shown. It will be apparent to those skilled in the art that 6 various changes may be made without departing from the scope 7 of the invention and the invention is not to be considered 8 limited to what is shown and described in the specification.
9 One skilled in the art will readily appreciate that the present invention is well adapted to carry out the objects 11 and obtain the ends and advantages mentioned, as well as 12 those inherent therein. Any compounds, methods, procedures 13 and techniques described herein are presently representative 14 of the preferred embodiments, are intended to be exemplary and are not intended as limitations on the scope. Changes 16 therein and other uses will occur to those skilled in the art 17 which are encompassed within the spirit of the invention and 18 are defined by the scope of the appended claims. Although 19 the invention has been described in connection with specific preferred embodiments, it should be understood that the 21 invention as claimed should not be unduly limited to such 22 specific embodiments. Indeed, various modifications of the 23 described modes for carrying out the invention which are 1 obvious to those skilled in the art are intended to be within 2 the scope of the following claims.
Claims (16)
- Claim 1. A portable hose reel cart for windably holding an elongated hose member and for use in transporting said hose member between a storage location and a use location;
said hose reel cart comprising:
an enclosure assembly defined by plastic coated steel corner posts and polymeric structural panels extending therebetween, said enclosure assembly including a spool positioned between at least two of said structural panels and operably connected thereto for rotation of said spool about an axis of rotation, said spool having a hub defining said axis of rotation and a pair of flanges at opposing ends of said hub and perpendicular to said axis of rotation, a crank assembly releasably insertable through a centrally located aperture located in said structural panels, thereby providing direct coupling to said spool for providing manual rotational movement of said spool in relation to said enclosure, a hose coupler including a sliding seal arrangement releasably insertable through a centrally located aperture located in said structural panels, said sliding seal arrangement constructed and arranged for connection to a pressurized fluid source in a manner that allows rotation of said spool about said axis of rotation. - Claim 2. The hose reel cart in accordance with claim 1 including a manual guide assembly for guiding a hose wound onto said spool; wherein said hose is manually distributed uniformly and smoothly across said spool for a compact storage configuration.
- Claim 3. The hose reel cart in accordance with claim 2, wherein said manual guide includes: a pair of guide rails secured to and extending generally transverse to said structural panels; said pair of guide rails substantially parallel and spaced apart in relation to one another and said axis of rotation of said spool; and a guide manually slidable along said rails; wherein manually guided distribution of said hose about said spool is facilitated.
- Claim 4. A portable hose reel cart for windably holding an elongated hose member and for use in transporting said hose member between a storage location and a use location;
said hose reel cart comprising:
two substantially vertical rear corner posts, each having an upper end and a lower end, said rear corner posts being constructed of an inner metal portion and an outer polymeric portion;
two substantially vertical front corner posts, each having an upper end and a lower end, said front corner posts being constructed of an inner metal portion and an outer polymeric portion;
a tray including a rectangular shaped base, an upward extending front wall, an upward extending rear wall, two upwardly extending sidewalls therebetween and four corner sleeves, said corner sleeves constructed and arranged to cooperate with said upper ends of said front and said rear corner posts;
a pair of opposingly oriented structural wheel support panels extending between said front and said rear corner posts, each said wheel support panel including a front and a rear sleeve, wherein said front sleeve is constructed and arranged to cooperate with said lower end of said front corner posts and wherein said rear sleeve is constructed and arranged to cooperate with said lower end of said rear corner posts;
at least two pneumatic floatation tire assemblies rotatably secured to each of said wheel support panels;
a pair of opposingly oriented structural panels being disposed in parallel spaced apart relation with respect to each other and disposed substantially transverse with respect to said pair of wheel support panels, said structural panels each including a centrally located aperture constructed and arranged to accept a crank or a hose coupler, each said structural panel also including a sleeve integrally formed onto each end of said structural panel, wherein said sleeves are constructed and arranged to cooperate with and extend between either said front corner posts or said rear corner posts to define an enclosure;
a structural handle member, said structural handle member including a gripping portion, a first and a second distal end, and a pair of sleeve portions, said sleeve portions integrally formed into each of said first and said second distal ends of said gripping portion, said sleeve portions constructed and arranged to cooperate with said upper ends of said rear corner posts;
a spool positioned between said structural panels and operably connected thereto for rotation of said spool about an axis of rotation, said spool having a hub defining said axis of rotation and a pair of flanges at opposing ends of said hub and perpendicular to said axis of rotation;
a crank assembly releasably insertable through one of said structural panel centrally located apertures, thereby providing direct coupling to said spool for providing manual rotational movement of said spool in relation to said enclosure;
a hose coupler including a sliding seal arrangement releasably insertable through a centrally located aperture in one of said structural panel centrally located apertures, said sliding seal arrangement constructed and arranged for connection to a source of pressurized fluid in a manner that allows rotation of said spool about said axis of rotation. - Claim 5. The hose reel cart in accordance with claim 4 wherein said tray is constructed of polymeric material.
- Claim 6. The hose reel cart in accordance with claim 4 wherein said tray is constructed of a combination of metal and polymeric material.
- Claim 7. The hose reel cart in accordance with claim 4 wherein said base portion of said tray includes a plurality of drainage holes therein.
- Claim 8. The hose reel cart in accordance with claim 4 wherein said tray rear wall includes at least one slot integrally formed therein, wherein said at least one slot is constructed and arranged for retaining a hose end.
- Claim 9. The hose reel cart in accordance with claim 4, wherein said crank assembly includes a handle connected to said crank, said handle having a releasable lock securing said handle between a parallel position with said crank and a perpendicular position to said crank, said handle movable between said positions when said lock is released.
- Claim 10. The hose reel cart in accordance with claim 4, wherein each said floatation wheel assembly includes an aperture through which an axle extends to rotatably secure a pneumatic tire thereto.
- Claim 11. The hose reel cart in accordance with claim 10, wherein each wheel assembly aperture comprises a bearing portion through which said axle extends to facilitate rotational movement of said tire.
- Claim 12. The hose reel cart in accordance with claim 11, wherein said bearing portion includes a member from a group consisting essentially of: a bushing, a roller bearing or a ball bearing.
- Claim 13. The hose reel cart in accordance with claim 4, including a manual guide assembly for guiding a hose wound onto said spool; wherein said hose is manually distributed uniformly and smoothly across said spool for a compact storage configuration.
- Claim 14. The hose reel cart in accordance with claim 13, wherein said manual guide includes: a pair of guide rails secured to and extending generally transverse to said structural panels; said pair of guide rails substantially parallel and spaced apart in relation to one another and said axis of rotation of said spool; and a guide manually slidable along said rails; wherein manually guided distribution of said hose about said spool is facilitated.
- Claim 15. The hose reel cart in accordance with claim 4, wherein said molded tray, said pair of wheel support assemblies, said pair of structural panels, said spool and said crank assembly are composed from high density polyethylene.
- Claim 16. The hose reel cart in accordance with claim 4, wherein said corner posts, said molded tray, said pair of wheel support assemblies and said pair of structural panels, ire composed from a combination of metal and at least one polymeric resin.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US10/991,034 US7017603B1 (en) | 2004-11-16 | 2004-11-16 | Hose reel cart with tray constructed from plastic and metal structural components |
| US10/991,034 | 2004-11-16 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2505175A1 CA2505175A1 (en) | 2006-05-16 |
| CA2505175C true CA2505175C (en) | 2011-07-05 |
Family
ID=36084479
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA 2505175 Expired - Fee Related CA2505175C (en) | 2004-11-16 | 2005-04-25 | Hose reel cart with tray constructed from plastic and metal structural components |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US7017603B1 (en) |
| CA (1) | CA2505175C (en) |
| MX (1) | MXPA05012293A (en) |
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-
2004
- 2004-11-16 US US10/991,034 patent/US7017603B1/en active Active
-
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- 2005-04-25 CA CA 2505175 patent/CA2505175C/en not_active Expired - Fee Related
- 2005-11-15 MX MXPA05012293A patent/MXPA05012293A/en active IP Right Grant
Also Published As
| Publication number | Publication date |
|---|---|
| CA2505175A1 (en) | 2006-05-16 |
| US7017603B1 (en) | 2006-03-28 |
| MXPA05012293A (en) | 2006-05-18 |
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| EEER | Examination request | ||
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Effective date: 20210426 |