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"Rail travel at high speeds is not possible because passengers, unable to breathe, would die of asphyxia."
Dionysius Lardner, Professor of Natural Philosophy and Astronomy at University College, London ; 1830
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| Number | Title | Issue Date |
| 7387179 | Toroidal propulsion and steering system An apparatus comprises a body having a torus skin with inner and outer layers, and a drive system configured to propel the apparatus by moving the inner layer relative to the outer layer. The active skin propulsion system allows movement and steering of a device. A ... | 06/17/2008 |
| 7217170 | Transformable toy vehicle A toy vehicle includes a central housing having first and second oppositely disposed sides. A first wheel is rotatably mounted on the first side of the housing, and a second wheel is rotatably mounted on the second side of the housing. Each of the first and second w... | 05/15/2007 |
| 7044245 | Toroidal propulsion and steering system An apparatus comprises a body having a torus skin with inner and outer layers, and a drive system configured to propel the apparatus by moving the inner layer relative to the outer layer. The active skin propulsion system allows movement and steering of a device. A ... | 05/16/2006 |
| 7033241 | Toy vehicle A toy vehicle has a chassis, at least a first drive wheel rotatably attached to the chassis and at least a first link having a first end pivotally coupled with the chassis. At least a first non-powered wheel is operably coupled with the second opposing end of the fi... | 04/25/2006 |
| 6679750 | Toy building set comprising a vehicle A toy building set comprising at least one toy building element with a body part provided with coupling for interconnecting with other toy building elements, and a vehicle with a body that is provided with coupling for interconnecting with other toy build... | 01/20/2004 |
| 6176759 | Push-pull toy having pivoting arms A toy body formed to generally fanciful creature includes a tail portion and a head portion. A cockpit suitable for receiving and retaining a plush toy figure is positioned between the head and tail. A conventional sound circuit is supported within the in... | 01/23/2001 |
| 6142851 | Toy with motion transmitting elements A toy includes a first pivot joint, a second pivot joint, a first shaft held by the first pivot joint such that the first shaft can pivot in any direction, a second shaft held in the second pivot joint such that the second shaft can pivot in any direction... | 11/07/2000 |
| 5628667 | Sinuous toy In its preferred embodiment, the sinuous toy is a mechanical snake with a plurality of body elements. The body elements are each pivoted with respect to each adjacent body element on a vertical axis. Each body element has a large circular opening therethr... | 05/13/1997 |
| 5626505 | Spring-animated toy figure An articulated spring toy comprising fore and aft body sections connected together by a helical spring. The spring is fastened at opposite ends to the body sections in a manner that conceals the spring ends and provides a permanent connection that resists... | 05/06/1997 |
| 5362272 | Activity toy and walker device An activity toy and walker device for prompting and promoting interactive play, motor skill development and intellectual development of a child. A frame having a first portion and a second portion is deployable between a substantially collapsed orientatio... | 11/08/1994 |
| 5295893 | Driving structure for a toy animal An animal-like-toy driving structure, which includes an animal-like skin and a supporting casing to be mounted in the animal-like skin; two displacing plates on both sides of the supporting casing are inserted in the feet of the animal-like toy respective... | 03/22/1994 |
| 5277646 | Animated toy An animated wind up toy, that is safe, durable, lightweight, compact and includes a wind up motor that drives a cam actuated mechanism that causes the toy to move. The wind up toy has an outward contour and coloring that resembles a food item, such as a m... | 01/11/1994 |
| 5273479 | Moving and dancing doll A doll (10) that dances by reciprocating a hip portion (20) and that simultaneously moves along a surface (S) in a generally curving path. The doll has a base (40) with a drive wheel assembly (70) and a crank (55) that reciprocates the hip portion (20). P... | 12/28/1993 |
| 5259806 | Mobile musical hula dancing doll A hula dancing doll which alternately moves its hips left and right while making a forward or turning motion on a performance stage and a Hawaiian melody is heard to give a lifelikeness that compares with a real hula dancer. The doll includes a body porti... | 11/09/1993 |
| 5205775 | Ambulatory animal toy An ambulatory animal toy has a skeleton which includes a substantially horizontal torso. The torso has forward and rear ends defining forward and rear directions. Mutually spaced apart front and hind legs are attached to the torso. Feet are attached to th... | 04/27/1993 |
| 4943256 | Amusement device propelled by an eccentric apparatus An amusement device consisting of a base frame having a first and second end. A pair of ratchet wheel assemblies mounted to an supporting the second end of the base frame. A motor is mounted within the base frame. A cam is rotatably driven by the motor. A... | 07/24/1990 |
| 4816002 | Ambulatory animal toy An ambulatory animal toy includes a skeleton having a substantially horizontal spine with forward and rear ends defining forward and rear directions. Mutually spaced apart legs are attached to the spine and feet are attached to the legs. The feet are in f... | 03/28/1989 |
| 4775351 | Wigglin' fish amusement and novelty device A fish shaped amusement device that is substantially hollow, includes within the hollow area a sound activated switch, a motor with a self-contained power source and a slightly bent shaft rotatably connected to the motor. A plurality of disc-shaped plates... | 10/04/1988 |
| 4680022 | Toy linkage A toy is constructed to include two unique linkages with the first linkage including a series of links located in a sequential array with each link pivotally connected to its next immediate adjacent neighbor and every other link operatively connected such... | 07/14/1987 |
| 4671779 | Running toy A running toy includes a rotatable drum, a drive shaft rotatable through a reverse mechanism by a driver assembly housed in the rotatable drum and having an end projecting out of the rotatable drum and supporting a drive gear on the projecting end, a supp... | 06/09/1987 |
| 4597744 | Self-propelled toy A battery motor driven toy has articulated front and rear sections that are extended and contracted about a horizontal pivot in a scissor-like action. Each of the sections carries a surface engaging wheel mounted for rotation only in the forward direction... | 07/01/1986 |
| 4204360 | Segmental walking toy A toy representing a caterpiller with a number of units constructed as two-part shells with coupling rods joining adjacent units so as to afford limited relative movement between the units, each unit having a pair of wheels mounted eccentrically on each a... | 05/27/1980 |
| 4143484 | Drive mechanism for a running toy A moving toy includes a plurality of articulated, body-forming members configured as a crawling animal. A wheeled, forward member includes drive means for propelling the toy and an actuating means with radially extending arms. The actuating means contacts... | 03/13/1979 |
