Patent US5409265A successfully refreshed from Google Patents.
US5409265A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Skateboard with ball rollers
Assignee: Individual
•
Filing: 1994-01-12
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Granted: 1995-04-25
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Expires: 2014-01-12
Abstract
Abstract A skateboard has ball rollers rotatably mounted within cavities at the bottom of the body of the skateboard. A plurality of ball bearings mounted within the cavity contact the roller ball and rotate as the roller ball rotates. A plurality of round islands or mounts are located adjacent to each roller ball for receiving a side guide or a side plug which control the pitching and steering of the body of the skateboard. Each is detachably connected to the mount depending on the desired length. A glide plate is provided over the cavities at the bottom of the body for providing a sliding surface. Air passages are provided from the front end and the back end of the skateboard to each cavity for cooling the ball bearings located within. Circular cover plates fixed to the body over the glide plate and over both the mounts and the roller balls such that each roller ball partially extends through the cover plate and that the side guide and the side plug protrude therein. A conical cleaner is provided adjacent each roller ball for contacting the roller ball in order to clean debris from the roller ball.
Inventors
- 👤 Sharon Douglass
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 17:07
CPC Classifications
A; A63; A63C; A63C17/00; A63C17/01; A63C17/014; A63C17/016; A63C17/22; A63C17/24
Claims Analysis
Total Claims: 19
Claim 1
Independent Claim
214 words
A skateboard comprising: a body having two cavities formed therein at a bottom of the body; ball bearing means rotatably mounted in each cavity; a roller ball rotatably mounted within each cavity and partially extending from the bottom of the body, the roller ball being in contact with the ball bearing means for providing 360° rotation of the roller ball and for rolling the body along a surface; a plurality of mounts fixed within each cavity and positioned laterally adjacent each roller ball; a glide plate having openings therethrough and fixed to the bottom of the body over the cavities for providing a sliding surface and protecting the skateboard, the openings in the glide plate allowing the ball bearing means, the roller balls and the mounts to extend therethrough; a cover plate having a ball aperture and a plurality of mount apertures therethrough and fixed to the bottom of the body over the glide plate at each cavity, the ball aperture in the cover plate allowing the roller ball to extend therethrough and the mount apertures in the cover plate aligned over each mount; and side traction and lateral pitch inhibitor means detachably connected to the mounts through the mount apertures of the cover plates for steering and controlling lateral pitch of the body.
Claim 2
Dependent Claim
214 words
A skateboard comprising: a body having two cavities formed therein at a bottom of the body; ball bearing means rotatably mounted in each cavity; a roller ball rotatably mounted within each cavity and partially extending from the bottom of the body, the roller ball being in contact with the ball bearing means for providing 360° rotation of the roller ball and for rolling the body along a surface; a plurality of mounts fixed within each cavity and positioned laterally adjacent each roller ball; a glide plate having openings therethrough and fixed to the bottom of the body over the cavities for providing a sliding surface and protecting the skateboard, the openings in the glide plate allowing the ball bearing means, the roller balls and the mounts to extend therethrough; a cover plate having a ball aperture and a plurality of mount apertures therethrough and fixed to the bottom of the body over the glide plate at each cavity, the ball aperture in the cover plate allowing the roller ball to extend therethrough and the mount apertures in the cover plate aligned over each mount; and side traction and lateral pitch inhibitor means detachably connected to the mounts through the mount apertures of the cover plates for steering and controlling lateral pitch of the body.
Claim 3
Dependent Claim
99 words
The skateboard according to claim 1, wherein the side traction and lateral pitch inhibitor means comprises a side guide detachably connected to the mount through the mount apertures of the cover plate, the side guide comprising a cylinder detachably connectable to the mount at one end of the cylinder and at an opposite end of the cylinder having a ball bearing rotatably mounted therein and partially extending through the opposite end of the cylinder, the side guide for extending through the cover plate and outwardly from the bottom of the body for contacting the surface at the ball bearing.
Claim 4
Dependent Claim
19 words
The skateboard according to claim 2, wherein the side guide is mounted at an angle outwardly from the mount.
Claim 5
Dependent Claim
15 words
The skateboard according to claim 3, including a plurality of side guides having different lengths.
Claim 6
Dependent Claim
24 words
The skateboard according to claim 4, wherein the side guide is mounted to the mount at a specific angle corresponding to a specific length.
Claim 7
Dependent Claim
28 words
The skateboard of claim 2 whereby the ball bearing in the side guide is tightly held in place by a spacer between the wall and the ball bearing.
Claim 8
Dependent Claim
43 words
The skateboard according to claim 2, wherein the lateral pitch selection means further comprises a plug detachably connected to the mount through the mount aperture such that the plug fits directly over the mount and covers the mount aperture of the cover plate.
Claim 9
Dependent Claim
40 words
The skateboard according to claim 1, wherein the ball bearing means comprises a plurality of ball bearings rotatably mounted within the cavity such that the ball bearings contact the roller ball and rotate with the rotation of the roller ball.
Claim 10
Dependent Claim
35 words
The skateboard according to claim 1, wherein the body has an air passage therein and extending from a front end and a back end of the body to the cavity for cooling the ball bearings.
Claim 11
Dependent Claim
28 words
The skateboard according to claim 1, wherein the cover plate further comprises a conical extension having an opening for permitting the roller ball to extend through the opening.
Claim 12
Dependent Claim
31 words
The skateboard according to claim 10, wherein cleaning means are provided within the conical extension adjacent to and in contact with the roller ball for scraping debris from the roller ball.
Claim 13
Dependent Claim
15 words
The skateboard according to claim 11, wherein the cleaning means comprises a synthetic wooly material.
Claim 14
Dependent Claim
20 words
The skateboard according to claim 1, wherein the front end and the back end of the body are upwardly sloped.
Claim 15
Dependent Claim
35 words
The skateboard according to claim 1, wherein a plurality of elongated islands are fixed to the bottom of the body and horizontally extend between the cavities for supporting the guide plate and the cover plates.
Claim 16
Dependent Claim
15 words
The skateboard according to claim 1, wherein the body is made of a flexible material.
Claim 17
Dependent Claim
13 words
The skateboard according to claim 15, wherein the body is made of plastic.
Claim 18
Dependent Claim
12 words
The skateboard according to claim 1, wherein the cover plates are circular.
Claim 19
Dependent Claim
21 words
The skateboard according to claim 13, wherein a mat is fixed to an upper surface of the body for providing footing.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1998-04-24 | 1998-10-24 | 1999-04-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2002-04-24 | 2002-10-24 | 2003-04-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2006-04-24 | 2006-10-24 | 2007-04-25 | $7700.00 | Window Closed / Lapsed |