US2015209652A1PendingUtilityA1

Bushing Securement System

Assignee: MAGEE THANEPriority: Nov 9, 2012Filed: Apr 6, 2015Published: Jul 30, 2015
Est. expiryNov 9, 2032(~6.3 yrs left)· nominal 20-yr term from priority
Inventors:Thane Magee
A63C 17/012A63C 17/017A63C 17/0093A63C 17/015
24
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Claims

Abstract

A skateboard bushing securement system is provided for improvement of skateboard truck stability and performance. Base washers having a raised annular ring are positioned on opposite sides of bushings engaged to the truck hanger. The annular rings are sized to engage around the circumference of the bushings. Sleeve washers having axially located projecting sleeves communicate against the base washers during compression. The projecting sleeves engage inside the axial cavity of the bushings on both sides of the hanger. Stability and performance is enhanced through the stabilization of both bushings axially and about their circumference by the annular rings.

Claims

exact text as granted — not AI-modified
What is claimed is: 
     
         1 . A skateboard bushing securement apparatus, adapted for engagement with a skateboard truck assembly having a hanger in a sandwiched engagement between a first side of a top bushing and first side of a bottom bushing where a second side of said top bushing abuts a base plate, and where a king pin engaged at a first end through said base plate axially communicates through said top bushing, said hanger, and exits at a second side of said bottom bushing, for engagement at a distal end to a configuration in an as-used position, to a nut, said bushing securement apparatus comprising:
 a first base washer having a first side opposite a second side and having a central aperture communicating therebetween;   an annular ring portion projecting away from a perimeter edge of said second side, said annular ring portion having an inside edge defining an interior perimeter of a cavity defined by an area between said annular ring and said second surface;   a first sleeve washer having a first surface and a second surface and having a central passage communicating therebetween;   a sidewall communicating between said first surface and second surface of said first sleeve washer and defining a perimeter thereof;   said perimeter of said first sleeve washer sized smaller than said interior perimeter of said cavity of said first base washer;   said first surface of said first sleeve washer positionable during an as-used configuration of said securement apparatus, in a communication against an area of said second surface of said first base washer within said cavity;   an annular sleeve portion projecting in a direction away from both said first surface and second surface of said first sleeve washer;   said annular sleeve having an interior wall having a perimeter substantially equal to a perimeter of said central passage;   said annular sleeve having an exterior wall surface opposite said interior wall surface, said exterior wall surface having an exterior circumference; and   said an interior perimeter of said cavity of said first base washer sized equal to or slightly less than a circumference of said top bushing, whereby with said securement apparatus in said as-used position, with said kingpin communicating through said baseplate, said central aperture of said first base washer, said central passage of said sleeve washer and an axial cavity of said top bushing, said interior edge of said annular ring contacts a portion of said circumference of said top bushing at a first end thereof, and said annular sleeve projects into said axial cavity with said exterior wall surface adjacent a wall defining said axial cavity of said top bushing.

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