| Patent Number |
Title Of Patent |
Date Issued |
| D475167 |
Hand truck side rail |
May 27, 2003 |
|
| D465634 |
Hand truck |
November 12, 2002 |
|
| D341690 |
Luggage handling hand cart with inlay pattern side panels and top |
November 23, 1993 |
|
| D341689 |
Luggage handling hand cart |
November 23, 1993 |
|
| 7422221 |
Transport cart system and method of its manufacture and operation |
September 9, 2008 |
| A system of transport carts are positioned in side by side relation in fore and aft extending spaced apart rows disposed along a delivery van to leave an aisle between them. The carts have wheel supported upright frames with bottom supports for the products disposed at a level above |
| 7310842 |
Portable ramp assembly and method of construction |
December 25, 2007 |
| A portable ramp assembly and method of construction provides a ramp assembly with a pair of side rails and a plurality of panels adapted for releasable attachment to the side rails. The panels have an upper support surface and a like lower support surface facing opposite the upper su |
| 7216877 |
Non-powered transportable cart and brake system therefor |
May 15, 2007 |
| A brake system operable to inhibit movement of a non-powered transportable cart. The cart has a platform with opposite front and rear ends, at least one pivotal caster wheel adjacent and supporting one of the front or rear ends, and a pair of fixed wheels. The brake system has a brake ar |
| 7195257 |
Cargo cart system incorporating a portable container cradle |
March 27, 2007 |
| A cargo cart system with a cradle assembly includes a pair of support rails with generally sinuous upper and lower surfaces and at least one cross bar spanning the support rails. The sinuous upper and lower surfaces are maintained in mirrored relation with one another to define pairs |
| 6923458 |
Covered cart assembly and methods of assembling and making the assembly |
August 2, 2005 |
| A cart assembly for transporting products on a base platform carried on wheels has a canvas wall. Inversely U-shaped front and rear side rail skeleton structures, with vertically spaced cross rails, on the cart define a front to rear extending product compartment between them spanned |
| 6899508 |
Transport cart system and method of its manufacture and operation |
May 31, 2005 |
| A system of transport carts are positioned in side by side relation in fore and aft extending spaced apart rows disposed along a delivery van to leave an aisle between them. The carts have wheel supported upright frames with bottom supports for the products disposed at a level above the |
| 6893029 |
Hand trucks and methods of constructing them |
May 17, 2005 |
| A hand truck, with a vertical frame incorporating side rail channels supported on wheels, and a cargo carrying nose, has a longitudinal cross rail extrusion with terminal ends which extend into the channels. The extrusion in cross-section has top, bottom, and side exterior walls conn |
| 6742792 |
Covered cart assembly and methods of assembling and making the assembly |
June 1, 2004 |
| A cart assembly has canvas top and side walls for transporting products on a base platform carried on wheels. Inversely U-shaped front and rear side rail skeleton structures, with vertically spaced cross rails, on the cart define a product compartment between them. Vertically spaced side |
| 6601859 |
Vertically folding hand truck and methods of its operation and construction |
August 5, 2003 |
| A dual wheel foldable hand truck with a nose plate has a skeletal frame including laterally spaced vertical side rails. The frame has hingedly connected upper and lower frame sections with upper and lower side rails meeting at side rail interfaces. Handle operated lock slides are carried |
| 6557869 |
Versatile hand truck |
May 6, 2003 |
| A hand truck with a generally upright skeletal frame carried on spaced apart wheels connected with the lower portion of the frame incorporates a noseplate and a pallet-supporting fork structure configured to enter a pallet. The noseplate and fork structure are carried on the frame to be |
| 6520515 |
Transport cart system and method of its manufacture and operation |
February 18, 2003 |
| A series of transport carts are positioned in side by side relation in fore and aft extending spaced apart rows disposed along a delivery van to leave an aisle between them. The carts have wheel supported upright frames with bottom supports for the products disposed at a level above the |
| 6488304 |
Rapidly demountable multiple platform utility cart assembly and methods of making and operating |
December 3, 2002 |
| A demountable multiple platform cart includes a lead cart module having a horizontal load-supporting platform and a trailing cart module having a horizontal load-supporting trailing platform. A releasable interconnection mechanism couples the rear end of the lead cart module demountably |
| 6476082 |
Magnesium ammonium phosphate hexahydrate slurry |
November 5, 2002 |
| A magnesium ammonium phosphate slurry and method of producing magnesium ammonium phosphate slurries. The method provides for obtaining a magnesium hydroxide supply having a small particle size of about 1 to 2 microns. Aqua ammonia and phosphoric acid are sequentially added while maintain |
| 6302414 |
Multiple use hand trucks fitted with detachable bottled water carrier tray and methods of their |
October 16, 2001 |
| A convertible hand truck is fitted with a beverage carrier tray when its in four-wheeled condition to support a plurality of bulk water containers. The tray may be detachable from the hand truck to facilitate usage of the hand truck for other purposes when not transporting the containers |
| 6299184 |
Transport cart system and method of its manufacture and operation |
October 9, 2001 |
| A series of transport carts are positioned in side by side relation in fore and aft extending spaced apart rows disposed along a delivery van to leave an aisle between them. The carts have wheel supported upright frames with bottom supports for the products disposed at a level above the |
| 6247710 |
Hand truck having detachable carrier for bottled water container and methods of its construction |
June 19, 2001 |
| A method of constructing a bottle carrier for a two-wheeled hand truck having a normally generally vertically disposed hand truck frame comprising transversely spaced side rails joined by at least a pair of vertically spaced cross rails between its upper and lower ends includes the s |
| 6131927 |
Hand truck for transporting stacked trays |
October 17, 2000 |
| A hand truck for carrying stacks of nested trays and other products has a vertically disposed back frame with an upper handle surface, supported for travel by a pair of rearward spaced apart wheels. The back frame provides a pair of side rails joined by horizontal brace rails. The hand t |
| 6019381 |
Multiple use hand trucks fitted to carry laundry baskets |
February 1, 2000 |
| A hand truck with a load carrying nose plate usable as a two-wheeled product transporter, and alternatively as a carrier for a fabric receptacle has a two-wheel supported frame assembly mounting a nose plate to project generally perpendicularly. A support assembly connected to the ba |
| 5913527 |
Hand trucks having multiple, foldable bottle-carrying trays and methods of constructing the hand |
June 22, 1999 |
| An improved hand truck has a pair of laterally spaced side rails, connected by crosswise braces laterally to form a hand truck frame. Axle supporting front to rear extending brackets are fixed to the lower ends of the side rails and mount axle and wheel mechanism. A forwardly projecting |
| 5799959 |
Hand truck brake application system |
September 1, 1998 |
| A manually propelled, two-wheel supported hand truck for use in transporting products has a frame normally supported by the wheels in generally vertical inclination and comprises connected side rail members, and a fixed frame handle surface near its upper end. The frame supports a fo |
| 5632592 |
Extensor wing latch mechanism for a two-wheeled hand truck |
May 27, 1997 |
| A latch assembly mounted on a two-wheeled hand truck having vertically extending wings mounted on the hand truck frame side rails to pivot about axes extending generally parallel to said side rails from an operative position in which they extend laterally as substantially extensions of |
| 5518356 |
Extensor wing latch mechanism for a two-wheeled hand truck |
May 21, 1996 |
| A latch assembly mounted on a two-wheeled hand truck having vertically extending wings mounted on the hand truck frame side rails to pivot about axes extending generally parallel to said side rails from an operative position in which they extend laterally as substantially extensions of |
| 5393081 |
Hand truck assemblies and methods of constructing and operating them |
February 28, 1995 |
| A hand truck has a pair of horizontally spaced, vertically extending side rails connected laterally to form a hand truck frame which has a handle incorporated with the upper portion thereof. Unique axle supporting brackets fixed to the inner sides of the lower end of each side rail e |
| 5277436 |
Combination hand truck and stair ramp |
January 11, 1994 |
| In combination, a hand truck having a unidirectional wheel control ratchet and an adjustable length stair ramp are operable for transporting heavy loads of cargo up flights of stairs. A ratchet wheel and pawl assembly is attached to the wheels of the hand truck to limit the direction of |
| 5253410 |
Retractable underbody truck ramp and method of making |
October 19, 1993 |
| A retractable ramp is telescopable to a stowed position within a rearwardly open, longitudinally extending storage chamber within a cargo vehicle frame below a cargo carrying floor therein. It can be pulled from the vehicle, tilted downwardly so that its rear end engages the ground, and |
| 5207439 |
Improvements in hand trucks with pivotally connected, spreadable, wheel-supported, auxiliary sup |
May 4, 1993 |
| A hand truck with an upright main frame and a handle part at its upper end has a forwardly extending nose at its lower end for supporting a load thereon which rests back against the main frame when the main frame is in vertically rearwardly tilted position, and a wheel and axle assembly |
| 5199150 |
Method of constructing a retractable underbody truck ramp |
April 6, 1993 |
| A retractable ramp is telescopable to a stowed position within a rearwardly open, longitudinally extending storage chamber within a cargo vehicle frame below a cargo carrying floor therein. It can be pulled from the vehicle, tilted downwardly so that its rear end engages the ground, and |
| 5190305 |
Luggage handling hand cart |
March 2, 1993 |
| A luggage hand cart has a luggage supporting platform supported on wheels, with a pair of uprights extending upwardly from the platform at each end. The upper ends of the uprights are compoundly angled to extend inwardly relative to both the ends and sides of the platform and a pair of o |
| 5167246 |
Rapidly erectable and strikeable shelter frame system and methods of erecting and striking such |
December 1, 1992 |
| A rapidly erectable four cornered shelter frame for use with a canvas top has a pair of foldable end frame members with corner posts and an end joint at the upper end of each having a pair of upwardly inclined end rafters connected by an end ridge joint which has a ridge member proje |
| 5042827 |
Automatically shifting stair climber structure for a repositionable hand truck |
August 27, 1991 |
| A two-wheeled hand truck has a vertically inclined upright frame with a load supporting nose at its lower end. The frame is supported on a pair of wheels mounted on an axle by brackets which are pivotally connected to the frame for movement from a first load supporting position adjacent |
| 4875700 |
Boat trailers |
October 24, 1989 |
| A boat trailer frame has front cross rails spanning the parallel portions of longitudinal rails with forwardly convergent front ends. The cross rails carry sets of boat hull-engaging members arranged to conform to the shape of the hulls of boats to be transported. Transversely extending |
| 4865340 |
Two-wheeled hand truck construction |
September 12, 1989 |
| An improved two-wheeled hand truck, with a pair of horizontally spaced, vertically extending side rails, connected to form a primary frame, has axle-supporting brackets fixed to the lower end of each side rail and extending rearwardly therefrom to support an axle and a pair of wheels. An |
| 4790547 |
Two-wheeled hand truck construction |
December 13, 1988 |
| An improved two-wheeled hand truck, with a pair of horizontally spaced, vertically extending side rails, connected to form a primary frame, has axle-supporting brackets fixed to the lower end of each side rail and extending rearwardly therefrom to support an axle and a pair of wheels. An |
| 4762333 |
Repositionable hand truck |
August 9, 1988 |
| A two-wheeled hand truck incorporates an elongate upright frame, mounted by a pair of wheel support brackets to supporting wheels. Handles or other graspable surfaces are provided at the upper end of the frame. The wheel-supporting brackets are pivotally connected to the frame in a manne |
| 4563014 |
Two-wheeled hand trucks |
January 7, 1986 |
| A two-wheeled hand truck structure incorporates a primary frame, adapted in use to assume a vertically inclined position and having a forwardly projecting, load supporting, nose portion. The frame comprises an open framework with side rails connected by cross rails and at its upper end |
| 4420166 |
Stair climber for hand trucks |
December 13, 1983 |
| A two-wheeled hand truck or dolly with an attached stair climber construction which comprises a body member having a retaining flange overhanging both sides of the body, such flange having two portions spaced from one another by a gap. One of the flange portions is tapered adjacent t |
| 4275894 |
Hand truck construction assembly |
June 30, 1981 |
| A hand truck having a wheeled upright frame is provided at its lower end with a load-supporting nose member swingable between raised and lowered positions, the nose member being biased to its raised position and provided with detent means for releasably latching the nose member in its |
| 4121855 |
Hand truck construction |
October 24, 1978 |
| A hand truck construction comprising a wheeled, upright frame having at its lower end a load-supporting nose member swingable between raised and lowered positions. The nose member is spring biased to its raised position and the frame and the nose member are provided with a releasable lat |
| 4078676 |
Self storing lift gate assembly |
March 14, 1978 |
| A self-storing lift gate assembly for trucks or the like in which a lift platform may be selectively located in an operative load lifting relationship upon a power driven lift linkage or in a compact folded stored position upon the linkage. The platform is so arranged that, when stor |
| 3997182 |
Two-wheeled hand trucks |
December 14, 1976 |
| A two-wheeled hand truck or dolly structure wherein a primary frame is mounted on a pair of wheels and a generally forwardly disposed nose part is connected to project forwardly from the primary frame. The primary frame is made up of side rails connected by cross rails and one of the |