Occupant-propelled plaything having a single wheel

• US 3,306,626 A
• Filed: 07/09/1965
• Issued: 02/28/1967
• Est. Priority Date: 07/09/1965
• Status: Expired due to Term

• Current Assignee: Tadao Kawada
• Original Assignee: Tadao Kawada
• Inventors: TADAO KAWADA
• Application Number:
  US04/470,796
• Time in Patent Office: 599 Days
• US Class Current: 280/205
• CPC Class Codes: A63B 2022/0033 Lower limbs performing together the same movement, e.g. on a single support element
• CPC Class Codes: A63B 22/18 with elements, i.e. platforms, having a circulating, nutating or rotating movement, generated by oscillating movement of the user, e.g. platforms wobbling on a centrally arranged spherical supporthoop exercising apparatus A63B19/00; eccentric weights put into orbital motion by nutating movement of the user A63B21/0608; pots rotating or rocking by moving the whole body A63G23/00
• CPC Class Codes: A63B 22/20 using rollers, wheels, castors or the like, e.g. gliding means, to be moved over the floor or other surface, e.g. guide tracks, during exercising
• CPC Class Codes: A63C 17/01 Skateboards A63C17/02 - A63C17/28 take precedence; rolling devices on skis A63C5/035
• CPC Class Codes: A63C 17/08 single-wheel type with single axis
• CPC Class Codes: A63C 17/24 with ball-shaped or spherical running surfaces
• CPC Class Codes: Y10T 428/24017 Hook or barb

Claims

1. A PLAYING DEVICE COMPRISING A ROLLING BODY AND AN INVERTED CUP-SHAPED MEMBER ADAPTED TO SUPPORT A RIDER, SAID MEMBER INCLUDING A ROLLER ASSEMBLY ADAPTED TO ENGAGE SAID ROLLING BODY TO SUPPORT SAID MEMBER, A ROLLER OR ROLLERS NORMALLY SPACED FROM SAID ROLLING BODY BY A SMALL GAP AND AT LEAST ONE BRAKING MEMBER NORMALLY SPACED FROM SAID ROLLING BODY BY A SMALL GAP BUT BROUGHT INTO CONTACT WITH SAID ROLLING BODY WHEN SAID MEMBER IS TILTED WITH RESPECT TO SAID ROLLING MEMBER TO CAUSE SAID MEMBER AND SAID ROLLING BODY TO MOVE IN UNISON.