Source: https://patents.google.com/patent/US7150465B2/en
Timestamp: 2019-04-20 15:36:09
Document Index: 70372944

Matched Legal Cases: ['art 1', 'art 1', 'art 1', 'art 1', 'art 1', 'art 600', 'art 1', 'art 900', 'art 1101', 'art 1101', 'art 1', 'art 1201', 'art.\n5']

US7150465B2 - Mission adaptable portable cart/utility table arrangement - Google Patents
Mission adaptable portable cart/utility table arrangement Download PDF
US7150465B2
US7150465B2 US10/686,948 US68694803A US7150465B2 US 7150465 B2 US7150465 B2 US 7150465B2 US 68694803 A US68694803 A US 68694803A US 7150465 B2 US7150465 B2 US 7150465B2
US10/686,948
US20040222617A1 (en
2003-05-07 Priority to US10/431,839 priority Critical patent/US7017939B2/en
2003-10-15 Application filed by Darling Iii Charles W filed Critical Darling Iii Charles W
2003-10-15 Priority to US10/686,948 priority patent/US7150465B2/en
2004-11-11 Publication of US20040222617A1 publication Critical patent/US20040222617A1/en
2006-12-19 Publication of US7150465B2 publication Critical patent/US7150465B2/en
2009-04-28 Priority claimed from US12/387,175 external-priority patent/US8505959B2/en
A mission adaptable multi-purpose, collapsible portable cart/utility table, for use in emergency response and disaster situations, camping, hunting and other outdoors activities, which carries medical rescue carts, canoes, small boats, game, or hauled cargo by hand. The portable cart/utility table can be converted to a various uses and the portable cart/utility table can be folded down and transported within a wheeled bin, backpack, hand carried bag, canoe or boat. It transports injured persons or cargo over long, rough terrain and it can broken down into a carrying position, by hand or by back. The cart has optional removable clamps for clamping a conventional transportable carrier, such as a stretcher or stokes-type rescue carrier bed, thereto. The objects being carried can be held by clamps, by fasteners, or through the use of insertions with longitudinally extending channels. An optional pivotable kickstand and/or tie rods can stabilize the cart in a position of rest. It is collapsible, so that it can be disassembled and carried, and then reassembled at another destination along a wilderness journey.
This application in part disclosed and claims subject matter disclosed in my earlier filed patent application Ser. No. 10/431,839 filed May 7, 2003, which is a continuation of application Ser. No. 09/989,376, filed Aug. 24, 2001, now U.S. Pat. No. 6,561,529, which is a continuation in part of my provisional patent applications, Ser. No. 60/233,138, filed Sep. 18, 2000, and 60/246,014 filed Nov. 6, 2000 which both disclose in part subject matter disclosed in my earlier filed patent applications filed under Ser. No. 09/226,838 filed Jan. 7, 1999, now U.S. Pat. No. 6,142,491, Ser. No. 09/479,344 filed Jan. 7, 2000, now U.S. Pat. No. 6,164,671, and Ser. No. 09/745,116 filed Dec. 21, 2000, now U.S. Pat. No. 6,270,972.
To prevent flat tires, its wheels are preferably solid core tires, which cannot get flat, or made of cellular materials, such as medium density, micro-cellular urethane, with stainless steel bearings, over which the wheels rotate. A typical wheel has two press fit bearings adjacent to an integrally molded hub. While the typical wheel is about 2–3 inches wide, for transporting cargo or game on sand or granular terrain, the wheels may be wider, such as 4–6 inches in width.
For hardiness, the material of the structural frame components is preferably a lightweight but resilient and strong material, such as, for example, 60–61 T6 fully anodized aluminum, or stainless steel. In a substantially pre-assembled optional embodiment, in a storage position within a carry bag, the vertical struts are connected to horizontal supports, which are further engaged with rails to hold a cargo well or rescue stretcher. Pivoting of the horizontal supports about each respective longitudinal axis to a position of rest biases the resiliently engaged rails to return to their natural position of use when released from the storage position.
In one embodiment, the cart/utility table has two wheels for cargoes weighing from 300–500 pounds. However, for heavier loads, such as for 600–1,000 pounds, an optional double axle version includes two pairs of overlapping wheels for heavier cargo. In this embodiment, the portable cart/utility table uses four wheels in the overlapped configuration, with an optional hard molded canister. In this overlapping, wheeled version, a long axle attaches a pair of front wheels and a short axle attaches a pair of rear wheels through the respective vertical supports, although the length of the axles can be reversed. Using four wheels doubles the carrying capacity of the cart/utility table, and the overlapped positioning of the pairs of wheels maintains a short wheelbase for compactness, for maneuverability and for climbing slopes or ledges.
The axle-carrying struts each have a lower end with an axle mounting means at the lower end and at least one axle extending through each axle-carrying vertical strut. Each axle has at least one vehicle movement actuator, such as a wheel or a ski, of a pair of vehicle movement actuators attached at opposite sides of the convertible cart/utility table, which also has a carrier attachable to the load support member, wherein when the carrier supports a load thereupon. Such a carrier may be a hollow well, a bin, a pair of rails, a rescue stretcher or Stokes carrier or other support surface or container optionally the carrier may be rotatable from a horizontal position of travel to an upright position as a shelved cabinet.
FIG. 32F is a front cross-sectional view thereof, taken along lines “32F—32F” of FIG. 32D;
FIGS. 47, 47A, 47B, 48 and 49 show respective isometric, left side, top, front and right side views of the clamp used in the embodiments shown in FIGS. 40–46;
As shown in the drawing FIGS. 1–70, the present invention is directed to a mission-adaptable set of components forming a convertible cart/utility table. For example, the present invention may include foldable cart 1, having a load support for carrying a load, such as a boat, such as a canoe, which can also function as a game cart or a wagon for carrying gear in outdoor field applications.
For example, in FIG. 3A vertical strut 20′ is in a unified T-shaped member with horizontal support member 10′. In FIG. 3B, vertical struts 20, and horizontal support members 10′ are attached by weldment 20″. In FIG. 3C, vertical strut 20′ is inserted in hole 10″ of horizontal support member 10′, and attached by fastener 10′″, such as a screw or other fastener. In these alternate embodiments shown in FIGS. 3A, 3B or 3C, horizontal load support members 10′ may be solid in cross sectional configuration. One such configuration shown in FIGS. 3A, 3B and 3C is that of a parallelepiped, namely a solid form, all of whose sides are parallelograms, such as rectangles, and whose opposite sides are parallel to one another.
FIGS. 12–17 show another embodiment that converts portable cart 1 into a game cart. Alternatively, FIGS. 18–20 show how to convert cart 1 into a cargo wagon with a hollow well. First, in either situation, carry frame 55 is secured to horizontal load supports 10. Although a one piece, generally rectangular frame (not shown) may be used, preferably frame 55 includes a pair of U-shaped brackets 60, 70 joinable together to form frame 55.
Alternatively, for example, a clamp maybe provided to horizontal load supports 10 to carry a frame of a discrete transportable carrier directly thereon, as disclosed hereinafter with respect to FIGS. 21–24. In that case, instead of the frame being integrally part of the portable chart, as in FIGS. 12–17, in FIGS. 21–24, the frame is clamped to the horizontal load supports 10 of portable cart 1. Other fasteners may include longitudinally extending channel slots, such as in FIGS. 33–39 described further below.
Meanwhile, further with respect to FIGS. 12–17, U-shaped front bracket 60 extends horizontally forward from front-end receptacle apertures 12 of horizontal load supports 10, wherein front bracket 60 is demountably attached within front-end receptacle apertures 12 at one end of horizontal load supports 10.
FIGS. 18–20 show that to carry cargo, hollow fabric cargo well 110 is attached in the same manner to frame 55. Hollow cargo well 110 may also alternatively be made of plastic or other taut load bearing material, and covered by cover 112. FIGS. 18 and 19 also show wider wheels 130 for use on sand or granular terrain.
While the rescue stretcher shown in FIG. 12 has its own customized stretcher 100, in another embodiment shown in FIGS. 21–24, to convert portable cart 1 to a retrofit disabled person-bearing transportable carrier cart for search and rescue operations, using conventional railed stretcher 230, support cushions 13 are removable from horizontal load supports 10 and replaced by clamping assembly 200. Clamping assembly 200 includes lower jaw 202, and upper jaw 204. While different jaw configurations can be used, the embodiment shown in FIGS. 21–24 shows each having longitudinally extending recesses 206 and 208 therein to grip perimeter frame rails of a load supporting transportable carrier, such as conventional railed stretcher 230 therebetween, as shown in FIG. 23.
Moreover, kickstand post 424 may be used with any embodiment having a handle, such as handle 80 of FIGS. 12 and 17–19, or handle 81 of FIGS. 32 and 33.
FIGS. 32A–32G, 33 and 33A show an alternate embodiment 600 of the portable cart using four wheels 30 in an overlapped configuration. A hard molded cover 601 is illustrated although any cover or no cover can be used as well. Cover 601 covers bin 602 with lower overlapping edge cap 601 a fitting over peripheral shoulder 602 a of bin 602. Bin 602 also has longitudinally extending concave channels 603, which rest upon rails 604 of cart 600 of FIG. 32. Downward pressure of the weight of bin 602 and its contents helps stabilize bin 602 upon rails 604, which may be optionally covered with rubber or other resilient linearly extending cushions.
FIGS. 34 through 39 are concerned with an alternate embodiment of the horizontal load support member 10. The alternate embodiment 610 has an integral T-slot channel 611 in its top surface to facilitate easy installation and removal of a variety of attachments, such as cushions 615 shown in FIG. 35–36, clamps 620, 630, 640, shown in FIGS. 37–39, or platform 1450 shown in FIG. 57. Load member 610 can be conveniently extruded of aluminum or magnesium; it can be used either with the two-wheel cart 1 or the four-wheeled embodiment 600.
FIGS. 40–50 show alternate embodiments for converting a conventional hand carried, railed medical rescue stretcher to a lightweight wheeled version.
For example, FIGS. 40–42 show shortened horizontal support members 710 with tightening members 711. Rails 713 are held either by clamps, such as shown in FIGS. 37–39, or alternatively through apertures in horizontal support members 710, as shown in FIG. 14. Horizontal support members 710 are demountably attached to vertical struts 720 having extending therethrough transverse axles 732 supporting wheels 730. Optional pivotable kickstand 740 is attached to rails 713 by clamp 800.
As also shown in FIGS. 47–50, clamp 800 includes two jaws 801, 802 having aperture recess 803 for insertion of rails 713 therethrough. Clamp 800 is closed and tightened by fastener 804 operated by rotatable knob 805. Internal spring pins 806, as shown in FIG. 47, cooperate with fastener 804 and knob 805 to tighten clamp 800 about rail 713. Internal grooves 807, 808 accommodate kickstand 740 in the respective positions of support and rest, as shown in FIG. 40 and FIG. 42 respectively.
FIG. 43 shows an alternate embodiment for a military or emergency rescue carrier cart 900 with a profile set low to the ground, including shortened horizontal members 910 with tightening fasteners 911. Rails 913 are also held by clamps as in FIGS. 37–39, or alternately through apertures in horizontal support members 910, as in FIG. 14. Horizontal support members 910 are demountably attached to shortened vertical struts 920 to keep stretcher rails 913 close to the ground. Optional bent handle 945 is connected by clamps 800 disclosed in FIGS. 47–50, as discussed above.
FIGS. 45–46 show how the stretcher version shown in FIGS. 40–42 can be converted to a stationary medical gurney 1000. Rails 1013 are supported by horizontal support members 1010, which hare demountably attached to vertical struts 1020, having axles 1032 supporting wheels 1030. To stabilize gurney 1000, horizontally extending tie rods 1036, 1037 are joined by threaded clamp 1038 or other fastening means.
FIGS. 51–53 show a further embodiment for portable cart 1101 which folds down to a disassembled storage position as in FIG. 51 and which unfolds to an assembled position of use as in FIG. 52. Cart 1101 includes a pair of horizontal load support members 1110 laid parallel to each other, which rotate axially to move perpendicularly extending vertical struts 1120 outward from a position within a storage bag 1101 a, where vertical struts 1120 face each other's distal ends, to a position of use 90 degrees perpendicular to the storage position, where vertical struts 1120 extend in the same plane but outward from horizontal load support members 1110.
In this embodiment shown in FIGS. 51–53, the resilient rails 1178 are engaged to horizontal supports 1110 such that when in a position of storage the rails 1178 are biased to return to their normal position of use, when released from the storage position, thus causing vertical struts 1120 attached to horizontal supports 1110 to pivot upward and bow, thus increasing the strength of the cart.
The same is true with other embodiments of the present invention. For example, placing a boat 2 upon cart 1 causes horizontal support members 10 and wheel axles 31 to bow, giving it the strength of an uncollapsible Roman arch. The same is true with respect to stretcher or cargo hauling embodiments shown in FIGS. 12, 17–19, 40–45 and 58–66, for example, wherein putting weight makes the carrier portion taut and bows the frame members into a position of strength. Also the multiple floating overlapping rails as in FIG. 14, for example, bow the rails and strengthen the cart with a load supported thereon.
FIGS. 54–55 show portable cart 1201 which can be converted from a cargo hauling wagon configuration with cargo well 1290 attached to frame 1255, to a rescue stretcher with taut rescue canvas or other stretcher 1292 when stretcher 1292, which sits loosely above hollow well 1290 during the cargo hauling configuration, but which becomes taut when peripheral fasteners, such as zippers 1296, snaps or the like tighten stretcher 1292 in place about frame 1255.
Although not shown in the drawings, any of the embodiments herein shown in all the drawing FIGS. 1–70 may have vertical length adjustment means (not shown), such as a sleeve containing a telescoping shaft, the sleeve having a spring means for urging the shaft in a selectably extendable manner out of the sleeve and a lock for locking the telescoping shaft into a selected extended position.
FIGS. 62 and 63 show end views of the quick disconnect/connect mechanisms 1506 (in viewing direction “62—62” in FIG. 58) with horizontal support member 1501 shown optional as tubular in cross section. Top clamping member 1532 has slot 1531 which permits it to slide from the locking position shown in FIG. 62 to the unlocked position of FIG. 63 thereby releasing side horizontal support member 1501 from the wheel 32 subassembly which continues below lower clamp jaw 1533.
FIG. 64 is a partial end cross section (in plane “64—64” of FIG. 58) of clamp 1507. The split 1544 in clamp body 1540 permits selective grasping of horizontal support member 1501 as per the clamping force from screw 1542 as applied through knob 1541. Stainless steel insert 1543 prevents collapse of the end of tube 1505 of the overhead assembly.
FIG. 69 is an end view of adjustable side clamp 1560 with side tube 1550 and auxiliary rod 1551 in cross section (see plane “69—69” in FIG. 66). Instrument table 1561 attached to clamp body 1580 can be moved longitudinally along tube 1561 and locked in place as desired by turning knob 1581 which impinges the end of screw 1582 against horizontal support member 1550.
1. A low profile rescue carrier comprising:
an axle extending through and joining both said axle mounting means said axle having at least one vehicle movement actuator of a pair of vehicle movement actuators attached at opposite sides of said cart; said axle in joining and contacting both said movement actuators of said cart; said axle traversing through said respective struts;
a stretcher removably attached to said modular load support frame; and,
said cart further comprising rotatable handles at each end of each horizontal load support member, each said handle rotating in a plane at right angles to and about a longitudinal axis of each said horizontal load support member.
2. The movable support as in claim 1, wherein said handles lock in an upper position for hauling said cart, and reverse to a lower position contacting the ground surface for operating as a kickstand.
3. A movable support collapsible for storage and transport and expandable for use in carrying a load, comprising:
a modular load support frame comprising a pair of spaced, horizontal support members with at least one axle carrying strut extending downward from said load support frame, a clamping means for releasably engaging said strut to said support frame, and a receiving member for receiving an adjustably removable handle member adjacent each end of each horizontal support member;
said axle carrying strut having a lower end with an axle mounting means at said lower end, at least one axle extending through each said strut, said axle having at least one vehicle movement actuator;
a carrier releasable attached to said load support frame; and
each said handle member being independently rotatable about each respective load support member in a plane at right angles to a longitudinal axis of each support member.
4. The movable support as in claim 3, each said handle member locking into an upright position for hauling said cart.
5. The movable support as in claim 4,
wherein each said handle member further comprising a kickstand when in a downwardly extending substantially vertical orientation.
6. The movable support as in claim 5, each said handle member further comprising a first grip oriented along the longitudinal axis of each support member and second outer grip spaced from and parallel to said first grip.
7. The movable support as in claim 6,
wherein each said handle member is lockable in at least two positions, said positions comprising the upright position for hauling said cart and the downwardly extending orientation a for use as a kickstand.
8. The movable support as in any of claims 4, 6, or 7, wherein said handle member is locked in place with a spring pin.
9. A movable support collapsible for storage and transport and expandable for use in carrying a load, comprising:
a modular load support member comprising at least one axle carrying struts extending downward therefrom, a receiving member for receiving an adjustably removable handle tube and optionally a clamping means;
said axle carrying strut having a lower end with an axle mounting means at said lower end, at feast one axle extending through each said vertical strut, each said axle having at least one vehicle movement actuator of a pair of vehicle movement actuators attached at opposite sides of said cart;
a carrier attachable to said load support member, wherein when said carrier supports a load thereupon
at least one handle member for hauling said movable support, said handle member comprising: a handle having a handle outer surface, a handle tube and removably adjustably connecting to said axle carrying strut;
said handle member being rotatable along the longitudinal axis of said load support member;
said handle comprising a grip located coaxially to said handle tube and an outer grip parallel to said handle tube in rigid connection with said coaxial grip, said outer surface of said handle extends to the ground, said handle member locking in at least two positions, said positions comprising an upward position for hauling said cart and a downward position for use as a kickstand;
said handle member locking in place with a spring pin.
10. A movable support as in claim 9, said positions further comprising a locking position wherein said handle member is substantially horizontal for stowing cart.
US10/686,948 2000-09-18 2003-10-15 Mission adaptable portable cart/utility table arrangement Expired - Fee Related US7150465B2 (en)
US10/686,948 US7150465B2 (en) 2003-05-07 2003-10-15 Mission adaptable portable cart/utility table arrangement
CA 2483954 CA2483954C (en) 2003-10-15 2004-10-04 Mission adaptable portable cart/utility table arrangement
SG200704639-4A SG133604A1 (en) 2003-10-15 2004-10-06 Mission adaptable portable cart/utility table arrangement
SG200405756A SG111221A1 (en) 2003-10-15 2004-10-06 Mission adaptable portable cart/utility table arrangement
SG200704642-8A SG133605A1 (en) 2003-10-15 2004-10-06 Mission adaptable portable cart/utility table arrangement
US11/545,328 US7392994B2 (en) 2003-10-15 2006-10-10 Mission adaptable portable cart/utility table arrangement
US11/980,986 US7823906B2 (en) 2003-10-15 2007-10-31 Mission adaptable portable cart/utility table arrangement
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US7150465B2 true US7150465B2 (en) 2006-12-19
ID=38799303
US10/686,948 Expired - Fee Related US7150465B2 (en) 2000-09-18 2003-10-15 Mission adaptable portable cart/utility table arrangement
US11/545,328 Expired - Fee Related US7392994B2 (en) 2003-05-07 2006-10-10 Mission adaptable portable cart/utility table arrangement
US11/545,343 Expired - Fee Related US7407177B2 (en) 2000-09-18 2006-10-10 Mission adaptable portable cart/utility table arrangement
US11/980,986 Expired - Fee Related US7823906B2 (en) 2003-05-07 2007-10-31 Mission adaptable portable cart/utility table arrangement
US12/925,227 Expired - Fee Related US8348301B2 (en) 1999-01-07 2010-10-15 Mission adaptable portable cart/utility table arrangement
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2003-10-15 US US10/686,948 patent/US7150465B2/en not_active Expired - Fee Related
2004-10-04 CA CA 2483954 patent/CA2483954C/en not_active Expired - Fee Related
2004-10-06 SG SG200704639-4A patent/SG133604A1/en unknown
2004-10-06 SG SG200704642-8A patent/SG133605A1/en unknown
2004-10-06 SG SG200405756A patent/SG111221A1/en unknown
2006-10-10 US US11/545,328 patent/US7392994B2/en not_active Expired - Fee Related
2006-10-10 US US11/545,343 patent/US7407177B2/en not_active Expired - Fee Related
2007-10-31 US US11/980,986 patent/US7823906B2/en not_active Expired - Fee Related
2010-10-15 US US12/925,227 patent/US8348301B2/en not_active Expired - Fee Related
US8857848B2 (en) * 2010-01-21 2014-10-14 Peter Martin Lomas Collapsible vehicle trailer
US20070029761A1 (en) 2007-02-08
SG111221A1 (en) 2005-05-30
CA2483954C (en) 2013-03-19
SG133605A1 (en) 2007-07-30
US7392994B2 (en) 2008-07-01
SG133604A1 (en) 2007-07-30
US20040222617A1 (en) 2004-11-11
US7823906B2 (en) 2010-11-02
US7407177B2 (en) 2008-08-05
CA2483954A1 (en) 2005-04-15
US8348301B2 (en) 2013-01-08
US20070029760A1 (en) 2007-02-08
US20110309601A1 (en) 2011-12-22
US20090051143A1 (en) 2009-02-26
US7458590B2 (en) 2008-12-02 Travel cooler with collapsible sidewalls
EP1089672B1 (en) 2005-03-09 Animal transport apparatus and method for using the same