A truck assembly having a mounting plate with a first mounting bracket with a first arm, a second arm and a ridge; a cushion with a front surface that defines a concave segment, a rear surface that defines a notch that receives and seats the ridge, and a first lateral surface and a second lateral su
A truck assembly having a mounting plate with a first mounting bracket with a first arm, a second arm and a ridge; a cushion with a front surface that defines a concave segment, a rear surface that defines a notch that receives and seats the ridge, and a first lateral surface and a second lateral surface; an axle assembly having a wheel shaft and a truck support with a first cushion support arm and a second cushion support arm; and a swing pin releasably joining the cushion and the axle assembly to the first mounting bracket.
대표청구항▼
1. A truck assembly, comprising: a mounting plate having a first mounting bracket with a first arm, a second arm and a ridge, where the first arm has a first surface defining a first opening through the first arm,the second arm has a second surface defining a second opening in the second arm, where
1. A truck assembly, comprising: a mounting plate having a first mounting bracket with a first arm, a second arm and a ridge, where the first arm has a first surface defining a first opening through the first arm,the second arm has a second surface defining a second opening in the second arm, where the first opening and the second opening share a rotation axis, andthe ridge extends parallel with the rotation axis at least partially between the first arm and the second arm;a cushion having a front surface and a rear surface opposite the front surface, a first lateral surface and a second lateral surface, where the front surface defines a concave segment, the rear surface defines a notch that extends towards the concave segment and receives and seats in the ridge of the mounting bracket;an axle assembly having a wheel shaft and a truck support, where, the truck support includes a third surface that defines a first opening through the truck support, a fourth surface that defines a second opening through the truck support, a first cushion support arm and a second cushion support arm, where the first opening through the truck support is coaxial with the rotation axis of the first mounting bracket,the wheel shaft passes through the second opening of the truck support to provide a first wheel shaft and a second wheel shaft, where the first wheel shaft extends along a central axis from the truck support and the second wheel shaft extends along the central axis from the truck support in a direction opposite the first wheel shaft, where the central axis is perpendicular to the rotation axis of the mounting bracket,where the first lateral surface of the cushion is adjacent the first cushion support arm and the second lateral surface of the cushion is adjacent the second cushion support arm; anda swing pin that passes through the first opening of the first mounting bracket, the opening through the truck support and at least partially through the second opening of the first mounting bracket, where the swing pin releasably joins the cushion and the axle assembly to the first mounting bracket. 2. The truck assembly of claim 1, where the swing pin includes a surface defining threads and the second surface of the second arm includes threads that reversibly engage the threads of the swing pin. 3. The truck assembly of claim 1, where the ridge of the first mounting bracket extends between the first surface of the first arm and the second surface of the second arm. 4. The truck assembly of claim 1, including a roller element bearing seated in the opening of the truck support, where the roller element bearing is coaxial with the rotation axis of the first mounting bracket. 5. The truck assembly of claim 1, where the mounting plate includes a longitudinal axis, and where the first arm of the first mounting bracket extends away from the mounting plate at a forty-five degree angle relative the longitudinal axis. 6. The truck assembly of claim 1, including a second mounting bracket on the mounting plate, where the second mounting bracket includes a first arm, a second arm and a ridge, where the first arm has a first surface defining a first opening through the first arm,the second arm has a second surface defining a second opening in the second arm, where the first opening and the second opening share a rotation axis, andthe ridge extends parallel with the rotation axis at least partially between the first arm and the second arm;a cushion having a front surface and a rear surface opposite the front surface, a first lateral surface and a second lateral surface, where the front surface defines a concave segment, the rear surface defines a notch that extends towards the concave segment and receives and seats in the ridge of the mounting bracket;an axle assembly having a wheel shaft and a truck support, where, the truck support includes a third surface that defines a first opening through the truck support, a fourth surface that defines a second opening through the truck support, a first cushion support arm and a second cushion support arm, where the first opening through the truck support is coaxial with the rotation axis of the second mounting bracket,the wheel shaft passes through the second opening of the truck support to provide a first wheel shaft and a second wheel shaft, where the first wheel shaft extends along a central axis from the truck support and the second wheel shaft extends along the central axis from the truck support in a direction opposite the first wheel shaft, where the central axis is perpendicular to the rotation axis of the mounting bracket,where the first lateral surface of the cushion is adjacent the first cushion support arm and the second lateral surface of the cushion is adjacent the second cushion support arm; anda swing pin that passes through the first opening of the second mounting bracket, the opening through the truck support and at least partially through the second opening of the second mounting bracket, where the swing pin releasably joins the cushion and the axle assembly to the second mounting bracket. 7. The truck assembly of claim 6, where the rotation axis of the first mounting bracket and the rotation axis of the second mounting bracket intersect at an angle of approximately ninety degrees. 8. The truck assembly of claim 6, where the swing pin includes a surface defining threads and the second surface of the second arm of the second mounting bracket includes threads that reversibly engage the threads of the swing pin. 9. The truck assembly of claim 6, where the ridge of the second mounting bracket extends between the first surface of the first arm and the second surface of the second arm. 10. The truck assembly of claim 6, including a roller element bearing seated in the opening of the truck support of the second mounting bracket, where the roller element bearing is coaxial with the rotation axis of the second mounting bracket. 11. The truck assembly of claim 6, where the mounting plate includes a longitudinal axis, and where the first arm of the second mounting bracket extends away from the mounting plate at a forty-five degree angle relative the longitudinal axis. 12. A roller-skate, comprising: a boot having a sole,a mounting plate secured to the sole of the boot, where the mounting plate includes a first mounting bracket and a second mounting bracket, each mounting bracket having a first arm, a second arm and a ridge, where the first arm has a first surface defining a first opening through the first arm, the second arm has a second surface defining a second opening in the second arm, where the first opening and the second opening share a rotation axis, andthe ridge extends parallel with the rotation axis at least partially between the first arm and the second arm;a cushion having a front surface and a rear surface opposite the front surface, a first lateral surface and a second lateral surface, where the front surface defines a concave segment, the rear surface defines a notch that extends towards the concave segment and receives and seats in the ridge of the mounting bracket;an axle assembly having a wheel shaft and a truck support, where, the truck support includes a third surface that defines a first opening through the truck support, a fourth surface that defines a second opening through the truck support, a first cushion support arm and a second cushion support arm,where the first opening through the truck support is coaxial with the rotation axis of the mounting bracket,the wheel shaft passes through the second opening of the truck support to provide a first wheel shaft and a second wheel shaft, where the first wheel shaft extends along a central axis from the truck support and the second wheel shaft extends along the central axis from the truck support in a direction opposite the first wheel shaft, where the central axis is perpendicular to the rotation axis of the mounting bracket,where the first lateral surface of the cushion is adjacent the first cushion support arm and the second lateral surface of the cushion is adjacent the second cushion support arm; anda swing pin that passes through the first opening of the mounting bracket, the opening through the truck support and at least partially through the second opening of the mounting bracket, where the swing pin releasably joins the cushion and the axle assembly to the mounting bracket; anda wheel mounted on each of the first wheel shaft and the second wheel shaft.
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Kirkland, Eric W., Adjustable truck assembly for skateboards with retainer.
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