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The ice cream cone was invented at the St. Louis Worlds Fair by Ernest Hamwi in 1904. His waffle booth was next to an ice cream vendor who ran short of dishes. Hamwi rolled a waffle to hold ice cream and the cone was born.
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| Number | Title | Issue Date |
| 7657968 | Walker wheel interface An improved wheel interface for walkers that includes a spring interface connection between the frame of the walker and the wheel assembly. The walker is able to better absorb shocks that occur when encountering an obstacle such as a curb, allowing the user to avoid... | 02/09/2010 |
| 7360949 | Radiography system and transfer board moving apparatus The present invention is intended to readily move a transfer board from a stretcher to a radiographic table and to efficiently achieve radiography. The transfer board moved from the stretcher is borne by an intermediate table. The transfer board borne by the interme... | 04/22/2008 |
| 7356877 | Caster A caster includes a fixing portion installed on a bottom surface of an object, a wheel portion which is installed to be elevated into a flange portion and has a moving wheel provided on a bottom surface of the wheel portion, and an elevating portion to control the w... | 04/15/2008 |
| 7305737 | Roller/foot device castor A roller/foot device (1) comprising a cylindrical outer sleeve (10), a guide sleeve (20) arranged inside the outer sleeve (10), locking sleeve (30) arranged inside the outer sleeve (10), a spring device where one end abuts a... | 12/11/2007 |
| 7303991 | Atomic layer deposition methods The invention includes an atomic layer deposition method of forming a layer of a deposited composition on a substrate. The method includes positioning a semiconductor substrate within an atomic layer deposition chamber. On the substrate, an intermediate composition ... | 12/04/2007 |
| 7284299 | Caster A moveable body includes at least one caster. The caster has a yoke, a wheel supported on the yoke, and an interface member for attaching the caster to the moveable body. Additionally, the caster is configured so that a noise level of the moveable body as the moveab... | 10/23/2007 |
| 7271077 | Deposition methods with time spaced and time abutting precursor pulses An atomic layer deposition method includes positioning a semiconductor substrate within an atomic layer deposition chamber. A first precursor gas is flowed to the substrate within the atomic layer deposition chamber effective to form a first monolayer on the substra... | 09/18/2007 |
| 7228594 | Fluid levitating caster integrating load lifting device A fluid levitating caster lifts a heavy load “(17)” off a floor “(18)” with near friction-less-ness for transport has integrated a load lifting device. This extra rise height “(ER)” lifting feature accommodates moving loads “(17)... | 06/12/2007 |
| 7213815 | Mechanic's creeper A mechanic's creeper (10) includes a pad (12) supported between a plurality of side rails (14) by a plurality of crossbars (15). The side rails (14) are of tear-shaped cross section such that no sharp edges are provided adjacent to... | 05/08/2007 |
| 7200895 | Castor for furniture or the like A castor includes a body, a wall of a rotary bearing, a wheel including an orifice, a rotary shaft, elements for mounting the shaft to co-operate with the bearing wall, the latter having a first bearing wall portion of tuning-fork-shape defining a slot between two l... | 04/10/2007 |
| 7195322 | Vibration-proof wheels for wheeled luggage A luggage wheel assembly comprises an L-shaped bezel including a hollow lower portion of arcuate section, and a well defined by the lower portion for receiving a wheel; and a shock absorber extended from the wheel into the lower portion. Lower, oblique first slot an... | 03/27/2007 |
| 7159278 | Caster A caster for providing rolling support including a spring-loaded mount. The caster may be substantially concealed in the bottom edge of a hinged, swinging door, and generally located proximate to the free vertical edge of the door. An elongated spring plate is provi... | 01/09/2007 |
| 7150789 | Atomic layer deposition methods An atomic layer deposition method includes positioning a semiconductor substrate within an atomic layer deposition chamber. A first precursor gas is flowed to the substrate within the atomic layer deposition chamber effective to form a first monolayer on the substra... | 12/19/2006 |
| 7140055 | Lightweight mobile lift-assisted patient transport device A lift-assisted device having a patient support structure, a base, and an undercarriage. The device can be powered by a pneumatic cylinder and a compressed gas source. The undercarriage can be a scissors linkage having at least one first member being slidably connec... | 11/28/2006 |
| 7118116 | Stroller having front wheels that can be turned stably and smoothly A stroller includes a main frame, a linkage, a support unit, and a shock-absorbing device. Thus, the front wheels of the stroller can be turned rightward and leftward stably and smoothly. In addition, the front wheels of the stroller are turned easily and convenient... | 10/10/2006 |
| 7096533 | Locking roller for an article of furniture A locking roller assembly includes a housing adapted for mounting to an article of furniture. A wheel is rotatably mounted to the housing via a mounting arrangement that accommodates relative vertical movement between the wheel and the housing. The wheel is mounted ... | 08/29/2006 |
| 7093319 | Industrial caster wheel with elastomeric spring/damper member and adjustment member An industrial caster wheel assembly including a base member, a wheel, side plates, a housing, a pivot axle, a suspension assembly and an adjustment assembly. The suspension assembly includes an adjustable axle, a support member, and a plate. The support member allow... | 08/22/2006 |
| 7070005 | Soil aerator assembly In certain embodiments a soil aerator may include a hinged frame assembly that cooperates with one or more weight transferring systems adapted to permit an aeration subassembly to lift off the ground when an aeration tine impacts a hard obstacle such as a rock in th... | 07/04/2006 |
| 7065827 | Shock absorber structure of a castor wheel A shock absorber structure of a castor wheel is disclosed. The bottom section of a leg is inserted with a mounting tube and the circumferential edge of the leg is mounted with a protective hood. A screw nut is used to lock the mounting tube and the protective hood t... | 06/27/2006 |
| 7060614 | Method for forming film In a deposition method according to the present invention, a substrate (10) is first arranged in a processing vessel to carry out a heat-up step. Then, Si-containing gas, such as SiH4 gas, is supplied into the processing vessel to carry out an init... | 06/13/2006 |
| 7055634 | Wheelchair suspension The present invention has a plurality of pivoting linkages to lift and retract a front castor assembly to facilitate traversing an obstacle or rough terrain. In this regard, a wheelchair suspension having a frame member and at least one a pivoting assembly is provid... | 06/06/2006 |
| 7036185 | Arrangement in a wheel lifting mechanism The present invention relates to an arrangement in a wheel lifting mechanism designed to lift at least one wheel (1) running on an underlying surface so that it is capable of negotiating an obstacle (h) rising above the underlying surface. The arrangement com... | 05/02/2006 |
| 7014204 | Rocking wheelchair A rocking wheelchair is provided with multiple adjustable features to meet various needs of different users with respect to safety, comfortableness and user/caregiver convenience. The rocking wheelchair includes an adjustable maximum rocking motion setting for users... | 03/21/2006 |
| 6961976 | Mechanism for limiting casters to move forwardly while towing luggage obliquely A caster assembly mounted at either bottom corner of luggage comprises a cavity disposed in an underside of the bottom corner, the cavity including an upright front wall and a slanted rear wall, a wheel mount including a positioning slot in a rear of an upper portio... | 11/08/2005 |
| 6944910 | Caster wheel assembly with anti-flutter control A caster wheel assembly for a wheeled device, such as a wheelchair, includes a housing suitable for connection to a wheeled device, a caster fork configured to mount a caster wheel for rotation, and a caster bolt connected to the caster fork and inserted into the ho... | 09/20/2005 |
| 6938300 | Wheel assembly for a stroller A wheel assembly for a stroller includes a wheel with a rim that has two vertical side surfaces and a vertical central plane. A vertical pivot shaft is disposed within a mounting space in the wheel, is located in the central plane, and extends through a fixed seat t... | 09/06/2005 |
| 6908087 | Mobile load carrier with castor mounting arrangement A mobile load carrier comprises a castor mounting arrangement comprising two or swivellable castors mounted on a first member (7), characterized in that said first member (7) is rotatably attached to a second member or member (5), along a fixed,... | 06/21/2005 |
| 6892421 | Oblique angled suspension caster fork for wheelchairs A shock absorption mechanism for a wheelchair includes a caster fork including a first oblique surface and a second horizontally disposed surface, relative to a horizontal plane of travel of the wheelchair. A portion of the second surface includes a curved profile. ... | 05/17/2005 |
| 6877185 | Caster device for movably supporting a load A caster device is disclosed for movably supporting a load. The caster device includes a wheel for supporting the load and a wheel support having a first and a second extremity. The first extremity of the wheel support supports the wheel for rotation of the wheel ab... | 04/12/2005 |
| 6823560 | Buffering structure for wheels A buffering structure for wheels comprises at least a linking plate, a spindle, two concentric rigid hollow ferrules or up, and a kind of firm buffer material. When applying this invention, an outer end of the linking plate is hitched on the wheel shaft while the sp... | 11/30/2004 |
| 6789810 | Integrated wheel suspension system A wheel suspension system for a vehicle includes a vehicle wheel having a wheel rim and a tire secured to the wheel rim. The wheel is secured to a frame portion of the vehicle by a spindle assembly. The spindle assembly includes a wheel carrier arm pivotally secured... | 09/14/2004 |
| 6776428 | Forward extending wheel suspension system A suspension system for a vehicle includes a support structure of a wheel having a forward rolling axis. The suspension system includes a first link rotatably secured at an inner end to the vehicle and in communication with the support structure of wheel at an outer... | 08/17/2004 |
| 6769701 | Shock-absorbing wheel assemblies for luggage bag Methods and wheel assemblies for supporting a bag that is tilted and pulled along a surface. A wheel housing, a strut member, a spring member, and a wheel member are provided. The wheel housing is rigidly attached to a bottom edge of the bag. The strut member is mou... | 08/03/2004 |
| 6760953 | Caster assembly A castor assembly for supporting a load such as an article of furniture so that it can easily be moved in any desired direction. The assembly includes a load-bearing base member from which a vertical axle is projected. Pivoted on this axle is a swivel frame, while m... | 07/13/2004 |
| 6758534 | Mounting element for the wheels of rolling containers A mounting element for the wheels of rolling containers comprises: a load-bearing member rigidly attachable to a bottom edge of a container designed to be rolled along a surface; an arm supporting at least one wheel designed to enable the container to be rolled on t... | 07/06/2004 |
| 6701570 | Standardized furniture unit and bracket therefor A standardized furniture unit including at least two substantially vertical side panels, bracing extending between the side panels, the intersection of the bracing and the side panels defining interior corners, and a bracket disposed in at least one inter... | 03/09/2004 |
| 6675820 | Safety support device with adjustable arm support members & method The safety support device of this invention includes a frame having a mounting section. A pair of forward legs are attached to a forward end of the mounting section and a pair of rear legs are attached to a rear end of the mounting section. Each leg has a... | 01/13/2004 |
| 6607201 | Swivel wheel assembly with adjustable shock absorption A swivel wheel assembly includes a wheel axle, and a vehicle wheel rotatably mounted on the wheel axle. A shock-absorbing wheel fork is secured to opposite ends of the wheel axle and includes first and second elongated spaced-apart support arms. A pivot p... | 08/19/2003 |
| 6594856 | Pivotal roller mechanism A fixed pivotal retractable roller mechanism 20 and method for statically supporting an item 46 upon a support surface 44 in an inoperative state and supporting the item 46 to roll along the support surface 44 in an operative state. The mechanism 20 inclu... | 07/22/2003 |
| 6591449 | Caster assemblies A castor assembly comprises stem (2) which is adapted at the upper end (4) thereof to be connected to the base of a structure to be supported, a foot (5), a castor body (3) swivellably mounted on the stem (2), a castor wheel (12) carried by the castor bod... | 07/15/2003 |
