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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 |
| 7234873 | Rolling-contact bearing containing solid lubricant therein A cage, rollers and solid lubricant are all formed integrally into a complete unitary molding with using difference in thermal expansion in a mold. Assembling the complete unitary molding into the race in the rolling-contact bearing is made easier. The complete unit... | 06/26/2007 |
| 7210747 | Spinner for a roller skate A spinner apparatus for the adornment of a wheel on a roller skate. The spinner apparatus includes a cone, a first disc and a second disc. The cone is connected to the wheel and connected to the first disc by locating a lip on its periphery in groove on the peripher... | 05/01/2007 |
| 7059775 | Roller device with instrumented ball bearing A roller device with instrumented ball bearing of the type supported by a non-rotating element and provided with a sensor of rotational parameters, characterized in that the ball bearing (2) and the sensor elements (4) are rigidly mounted on a fixing e... | 06/13/2006 |
| 6874941 | Wheel hub-and-bearing set assembly for a roller skate A wheel hub-and-bearing set assembly for a roller skate includes a spacer, a sleeve formed with a first flange at one end thereof and having an outer face, a pair of bearings mounted in a space between the spacer and the sleeve, a hub body sleeved on the sleeve, and... | 04/05/2005 |
| 6619758 | Wheel and bearing assembly There is disclosed herein an improved and simplified wheel and bearing assembly, such as for skates and the like comprising a bearing inner race preferably formed of a plastic material such as polyurethane. A pair of bearing outer races, preferably of a r... | 09/16/2003 |
| 6482140 | Roller and method of producing the same A roller is structured so that one or a plurality of grooves are recessed on an outer peripheral surface of an outer race in a bearing, a part of a synthetic resin tire integrally adhered to the outer race of the bearing is inserted and welded within a gr... | 11/19/2002 |
| 6450689 | Roller and method of producing the same A roller is structured such that one or more grooves are recessed on an outer peripheral surface of an outer race in a bearing. A part of a synthetic resin tire is integrally adhered to the outer race of the bearing and is inserted and welded within a gro... | 09/17/2002 |
| 6280097 | Corrosion resistant cam follower bearing assembly A corrosion resistant cam follower bearing assembly which includes a cam follower shaft, an outer bearing ring disposed about the shaft which defines an inner roller raceway, a sleeve fixedly mounted on the cam follower shaft and defining an inner roller ... | 08/28/2001 |
| 6267510 | Roller bearing A roller bearing with roller elements constructed as rollers (4) or balls arranged between an inner race (3) and an outer race (5), and with a thick-walled outer ring (6) if provided. The inner surface of the outer ring forms the outer race (5) and the ou... | 07/31/2001 |
| 6109796 | Off-set bearing for in-line roller skates A bearing assembly (35) for in-line roller skates (10) comprises an outer race (42) having an inner diameter surface (47) with an exterior end (38) and an interior end (41). The inner diameter surface (47) has an annular groove (46) with its annular cente... | 08/29/2000 |
| 6106157 | Tension roll A tension roll includes a rolling bearing protected by a sealing disk and having an outer ring possessing an end face and a bore surface, and an injection molded plastic roller shell arranged on the outer ring of the rolling bearing. The roller shell incl... | 08/22/2000 |
| 6017152 | Track roller bearing with stud and lubrication plug An object is to provide a small-sized track roller bearing with stud in which the lubrication feed can be performed after the bearing has been incorporated in a device or the like. In the end surface of a stud 1, a hexagon socket 1r to which a fastening t... | 01/25/2000 |
| 5931584 | Running wheel block A running wheel block, including a housing having at least one connecting surface for connection to a supporting structure, two inwardly directed rotary bearing holding hubs arranged in the housing, rotary bearings mounted on the hubs, a running wheel mou... | 08/03/1999 |
| 5775819 | Roller bearing assembly and method for making the same A roller bearing assembly is disclosed which has a single-piece outer race ring having a central, circumferential depression and a pair of raceway surfaces on opposite sides thereof. An inner race ring, sized and shaped to fit within the outer race ring, ... | 07/07/1998 |
| 5688055 | Stud type bearing with gear A stud type bearing including an outer ring having a gear portion on its outer circumference, the outer ring being rotatably supported on the free end of a shaft member by rolling elements. The outer ring is held axially between a flange at the free end o... | 11/18/1997 |
| 5577846 | Eccentric rolling bearing device In a rolling bearing device mounted on an eccentric mounting shaft, its outer race ring is formed by pressing, and the outer cylindrical surface thereof is left as it is, not polished. Hence, an oil film is stably formed on the whole outer cylindrical sur... | 11/26/1996 |
| 5468070 | Composite roller assembly An improved composite roller for use with seat suspension assemblies has a plastic roller surface injection molded around a metal insert which has a needle bearing coaxially disposed within the metal insert. The metal insert has a ribbed surface and opposing c... | 11/21/1995 |
| 5302030 | Adjustable roller A roller bearing assembly for a drawer slide providing a roller wheel having a threaded bore therethrough and a stud adjustably threaded into said bore, the stud attachable at an opposite end to either an interior wall channel of a cabinet or to a drawer,... | 04/12/1994 |
| 5302031 | Stud type track roller rolling bearing A stud type track roller bearing includes a stud having an inner ring portion, a threaded portion and an intermediate portion therebetween. A flange formed with an inclined surface is provided at an end of the inner ring portion. An intermediate ring form... | 04/12/1994 |
| 5286115 | Stud type track roller bearing having an increased sliding contact surface A stud type track roller bearing includes a shaft provided with a flange, an annular side plate located in an opposed relationship and fixedly attached to the shaft, a ring fitted onto the flange, a plurality of rollers interposed between the ring and the... | 02/15/1994 |
| 5232289 | Stud type track roller bearing A stud type track roller bearing includes a shaft provided with a flange, an annular side plate located in an opposed relationship and fixedly attached to the shaft, a ring fitted onto the flange, a plurality of rollers interposed between the ring and the... | 08/03/1993 |
| 4964741 | Roller assembly A roller assembly which circumscribes a rotative axle in an engine. The tappet includes spaced holes, usually staggered which allow for distribution of lubricant or coolant fluid to the bearings which lie between the tappet and the axle.... | 10/23/1990 |
| 4914712 | Device for supporting lift roll for fork lift truck This invention relates to a device for supporting a lift roll for a fork lift truck of the type in which the thrust in the fore and aft direction and in the transverse direction is supported solely by a lift roll, the contact pressure of the lateral side ... | 04/03/1990 |
| 4881828 | Rolling contact device A rolling contact device having a shaft adapted to be secured to an element of an apparatus, an outer ring adapted to be in contact with another element of the apparatus, and rolling elements disposed between the shaft and the outer ring. The contact devi... | 11/21/1989 |
| 4798149 | Wheel lock assembly A wheel lock assembly for reversibly rotatably mounting a wheel assembly which comprises an inner race and an outer race and bearings disposed therebetween on a trolley which includes a central bore having a central axis and having a substantially annular... | 01/17/1989 |
| 4730656 | Vehicle wheel end assembly A vehicle wheel end assembly (10) is adaptable for use with an on-board central tire inflation system. The assembly provides a passage for the routing of air between the on-board system and the vehicle tire. The assembly comprises a stationary spindle (12... | 03/15/1988 |
| 4682901 | Ball bearing apparatus having snap fit feature A ball bearing structure comprising an outer ring and an inner ring defining a ball race. The inner ring is composed of two sections which when assembled trap the outer ring against axial separation of the rings. The inner ring sections are provided with ... | 07/28/1987 |
| 4581799 | Method of assembling a ball bearing The specification discloses a self-contained ball bearing for use in drawer rails. The bearing includes balls axially retained between a flared end of an inner race member and a washer retained on a stem of the inner race member. The bearing further inclu... | 04/15/1986 |
| 4568315 | Speed-shifting pulley with clutch mechanism A variable speed pulley mounted to a torque transmission shaft having an idler structure arranged to maintain the power transmission belt centered between the pulley sheaves when the sheaves are spaced apart sufficiently to permit the belt to ride on the ... | 02/04/1986 |
| 4529254 | Wheel mounting assembly An assembly for mounting a wheel on a vehicle including a bearing assembly and a universal joint wherein the outer bearing ring of the bearing assembly is affixed to the wheel carrier and wherein the hub of the wheel, the inner bearing ring of the bearing... | 07/16/1985 |
| 4384387 | Conveyor trolley assembly with moisture-resistant bearing seal A conveyor trolley assembly consisting of a trolley bracket having an axle carrying a hub, and an annular wheel carried on a bearing interposed between the hub and the wheel, is provided with a four-part, moisture resistant seal for the side of the bearin... | 05/24/1983 |
| 4323288 | Bearing unit with improved inner race A bearing assembly especially adapted for use as a trolley wheel for overhead conveyors. The assembly includes a multipart inner race in which one annular part, preferably machined from steel, bears the major loading on the assembly and the other annular ... | 04/06/1982 |
| 4295688 | Bearing construction The present invention is directed to an improved bearing construction of the ball bearing type which is particularly suitable for supporting drawer slides and the like for translatory movement. The bearing comprises a tire defining an outer bearing race, ... | 10/20/1981 |
| 4243277 | Ball bearing A self-contained ball bearing assembly for use in drawer rails, the balls being axially retained between a washer secured on the hollow stem of the inner race and a flared end of the inner race. The outer race has three interior diametral portions, namely... | 01/06/1981 |
