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Suspension system for roller skates and similar devices

  • US 4,915,399 A
  • Filed: 04/05/1988
  • Issued: 04/10/1990
  • Est. Priority Date: 02/03/1987
  • Status: Expired due to Fees
First Claim
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1. Roller skate of the type having a shoe (1) fixed onto a sole (2) secured to a base (3), a brake (4) secured to the front part of said base, front and rear undercarriages (5, 5'"'"') each with a pair of wheels (6, 6'"'"'), a pivoting system (7, 7'"'"') for each pair of wheels, and an axle (8, 8'"'"') for rotatably supporting each pair of wheels, characterized:

  • in that the front and rear axles are pivoting axles (8, 8'"'"') each of which is provided with a suspension system (9, 9'"'"'), the latter being secured at one end thereof on a central part (10, 10'"'"') of the pivoting axle, right to the axis of the wheels (6, 6'"'"'), and the opposite end thereof being guided by a centering barrel (17) located inside the base (3); and

    in that each pivoting axle is provided with a pivoting system (7, 7'"'"') pivotally secured at an upper end thereof to the base (3) by pivot means (11, 11'"'"') while a lower end thereof is secured to an integral arm (12, 12'"'"') of the pivoting axle by resilient means (13, 13'"'"' ); and

    in that the upper end of the pivoting system (7) of the front pivoting axle (8) comprises;

    two pivot pins (25);

    a U-shaped cover (22), two parallel flanges of which are in close contact with respective external faces of the base, these two flanges of the cover being provided with two oblong openings (33) which allow a vertical clearance movement of the pivoting system (7) in relation with the two axles pins (25); and

    a pull-back spring (27) for the U-shaped cover (22).

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