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US 6,676,138 B1Granted
Roller skate
OwnerMichele Rossoinventor
Life of this patent
Estimating the term…
Abstract
A shoe-plate, adapted to hold a boot of a user, is pivotally mounted on the middle portion of an elongated frame. The frame has one or two rear wheels and a fork pivoted on its front portion around a vertical axis, and supporting a front wheel. Steering system connect the shoe-plate with the fork so that a pivotal movement of the shoe-plate causes a pivotal movement of the fork. The shoe-plate may be pivoted around a vertical or a longitudinal, horizontal axis. In the latter case, the skate also comprises adaptable restraining system connecting the trunk of the user to the frame.
Claims13
A roller skate comprising:
- an elongated frame having a middle portion, a front portion and a rear portion;
- a shoe-plate for supporting a boot of a user, wherein the shoe-plate is pivotally mounted around a shoe axis on the middle portion of the frame;
- at least one rear wheel that is rotatably mounted on the rear portion of the frame for turning around a horizontal rear axis;
- a fork pivoted on the front portion of the frame, for turning around a substantially vertical axis;
- a front wheel that is rotatably mounted on the fork, for turning around a horizontal front axis;
- a steering system connecting the shoe-plate with the fork so that pivotal movement of the shoe-plate causes pivotal movement of the fork;
- a brake on said rear wheel, and
- a brake operating system for operating the brake,
- wherein the brake operating system comprises at least one substantially vertical staff hingedly connected to said pivoting shoe plate and pivotable around said shoe axis with respect to said elongated frame when said shoe plate is rotated, wherein said at least one staff is operably connected to said brake such that the staff inclines rearward when a user leans a lower leg backward to operate said brake.
6 more elements
Dependencies are inferred from the claim text.