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Superstar singer Michael Jackson co-patented a "Method and means for creating anti-gravity illusion" in 1993.
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| Number | Title | Issue Date |
| 7229089 | Folding bicycle A foldable bicycle is provided. One feature of the foldable bicycle is that the central portion of the frame that defines the bicycle's geometry is substantially rigid. That is, the down tube, seat tube, top tube and bearing tube are substantially fixed relative to ... | 06/12/2007 |
| 7182410 | Bicycle hub assembly A bicycle hub cover assembly is installed on a bicycle hub to provide a hard, rigid protective cover for the bicycle hub. In one embodiment, the bicycle hub cover assembly has a hub shell cover, a first hub end cover, a second hub end cover and a pair of fasteners t... | 02/27/2007 |
| 7011376 | Systems and methods for propelling a vehicle Disclosed are systems and methods for converting linear motion into circular motion. ... | 03/14/2006 |
| 6074014 | Front hub of children tricycle A tricycle front hub is composed of a rectangular through hole and a fastening device located securely in the rectangular through hole for holding a crank rod of a front wheel of the tricycle. The rectangular through hole is provided with a plurality of r... | 06/13/2000 |
| 5499834 | Tricycle A child's tricycle comprising a pair of rear wheels, a front wheel, a seat positioned between the front and rear wheels, a support for the seat extending between the front and rear wheels, a handle for steering, and a steering fork having an upper end for... | 03/19/1996 |
| 5390947 | Bicycle wheel mount A bicycle comprises a wheel-supporting member having an annular sleeve portion, a stub wheel spindle having a journal portion supported for rotation in the sleeve portion by thin wall, large diameter angular contact bearings, a wheel attachment portion ex... | 02/21/1995 |
| 5281003 | Bottom bracket axle assembly A bottom bracket axle assembly for a pedal powered vehicle provides an axle that includes a spindle at each end for engaging a pedal crank arm. Each spindle includes a bearing support for mounting the axle in a bottom bracket tube having cup-mounted beari... | 01/25/1994 |
| 5236248 | Driving structure for children's tricycle A driving structure for children's tricycle includes a cylindrical shell adapted to receive a crank case therein. The crank case is composed of an upper and a lower half cases, each is identical to the other and has a trough and two strips adapted to rest... | 08/17/1993 |
| 5143427 | Drive wheel connection for a toy vehicle and method of assembly A drive wheel assembly (10) for a toy vehicle includes an axle (11), a wheel (13) and a bushing (12) insertable into the hub (30) of the wheel (13). The hub (30) is provided with a generally axial aperture (32) communicating with a tapered aperture (34). ... | 09/01/1992 |
| 4966419 | Knock-down wheel assembly A welded spoke wheel having a specially designed hub and knock-down crank shaft. The hub is a cylindrical tube with welded end caps. The crank shaft is assembled from a center shaft and two outer shafts. The outer shafts have radial tabs which engage axia... | 10/30/1990 |
| 4508392 | Wheel hub including structure for attachment of accessories A wheel hub is disclosed including an improved structure for mounting at least one accessory thereto. This structure includes a radially acting coupling arrangment including an axially outwardly directed rim portion about a periphery of the wheel hub punc... | 04/02/1985 |
| 4405179 | Universal velocipede wheel A wheel capable of being used as the front or rear wheel of a chain-driven velocipede or as the front wheel of a pedal-driven tricycle has a wheel rim whose hub is formed with an axial passage and an array of receptacles extending inward from the opposite... | 09/20/1983 |
| 4344655 | Two-part moulded wheel made of plastic material for children's vehicle A moulded wheel made of plastic material for children's vehicle with pedal-driven wheels, consisting of two identical half-wheels (1a, 1b) separated by the symmetry plane perpendicular to the axis of the wheel and formed by a shell element produced by onl... | 08/17/1982 |
| 4103563 | Method and structure for orienting a bicycle pedal A bicycle pedal which has an upper surface to be engaged by the sole of a shoe of a cyclist and a toe clip for extending around the toe region of the shoe is supported for free rotary movement at all times with respect to a shaft carried by a rotary crank... | 08/01/1978 |
| 4049319 | Wheel construction A wheel of the welded spoke variety has a hub with specially designed end caps. If the wheel is to be used as a front wheel of a tricycle, a pedal crank shaft having radial tabs is slid through openings in the end caps having inwardly projecting lips. As ... | 09/20/1977 |
