Impact damping mat, equipment accessory and flooring system
First Claim
Patent Images
1. An impact damping mat comprising:
- a base layer having a base surface with a plurality of protuberances;
a damping layer overlying the base layer;
a load distribution layer overlying the damping layer; and
an upper layer overlying the load distribution layer and having a planar top surface,wherein the materials and dimensions of the base layer, the damping layer, the load distribution layer and the upper layer cooperate to provide a selected rebound characteristic and a selected sound reduction characteristic,wherein the upper layer has a recessed undersurface from which a plurality of impact pedestals depend, andwherein the impact pedestals contact the load distribution layer and space the undersurface from the load distribution layer, defining an interstitial void between the upper layer and the load distribution layer.
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Abstract
An impact damping mat comprises a base layer having a base surface with a plurality of protuberances, a damping layer overlying the base layer, a load distribution layer overlying the damping layer and an upper layer overlying the load distribution layer and having a planar top surface. The materials and dimensions of the layers cooperate to provide a selected rebound characteristic and a selected sound reduction characteristic.
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Citations
30 Claims
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1. An impact damping mat comprising:
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a base layer having a base surface with a plurality of protuberances; a damping layer overlying the base layer; a load distribution layer overlying the damping layer; and an upper layer overlying the load distribution layer and having a planar top surface, wherein the materials and dimensions of the base layer, the damping layer, the load distribution layer and the upper layer cooperate to provide a selected rebound characteristic and a selected sound reduction characteristic, wherein the upper layer has a recessed undersurface from which a plurality of impact pedestals depend, and wherein the impact pedestals contact the load distribution layer and space the undersurface from the load distribution layer, defining an interstitial void between the upper layer and the load distribution layer. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. An equipment accessory comprising:
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at least one impact damping zone, each impact damping zone including; a base layer having a base surface with a plurality of protuberances, a damping layer overlying the base layer, a load distribution layer overlying the damping layer, and an upper layer overlying the load distribution layer and having a planar top surface, wherein the materials and dimensions of the base layer, the damping layer, the load distribution layer and the upper layer cooperate to provide a selected rebound characteristic and a selected sound reduction characteristic, wherein the upper layer has a recessed undersurface from which a plurality of impact pedestals depend, and wherein the impact pedestals contact the load distribution layer and space the undersurface from the load distribution layer, defining an interstitial void between the upper layer and the load distribution layer; and at least one less damped zone adjacent to at least one of the impact damping zones, each less damped zone providing a different selected rebound characteristic and a different selected sound reduction characteristic than the adjacent impact damping zones. - View Dependent Claims (14)
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15. A flooring system comprising:
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at least one impact damping zone, each impact damping zone including; a base layer having a base surface with a plurality of protuberances, a damping layer overlying the base layer, a load distribution layer overlying the damping layer, and an upper layer overlying the load distribution layer and having a planar top surface, wherein the materials and dimensions of the base layer, the damping layer, the load distribution layer and the upper layer cooperate to provide a selected rebound characteristic and a selected sound reduction characteristic, wherein the upper layer has a recessed undersurface from which a plurality of impact pedestals depend, and wherein the impact pedestals contact the load distribution layer and space the undersurface from the load distribution layer, defining an interstitial void between the upper layer and the load distribution layer. - View Dependent Claims (16)
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17. An equipment accessory comprising:
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two impact damping zones, each impact damping zone comprising; a base layer having a base surface with a plurality of protuberances, the base layer being formed of rubber and having a thickness of 11/16 of an inch, a damping layer overlying the base layer, the damping layer being formed of a polyether urethane material and having a thickness of ½
of an inch,a load distribution layer overlying the damping layer, the load distribution layer being formed of rubber and having a thickness of 5/16 of an inch, and an upper layer overlying the load distribution layer and having a planar top surface, the upper layer being formed of rubber, having a thickness of 1¼
inches and comprising a recessed undersurface from which a plurality of impact pedestals depend,wherein the impact pedestals contact the load distribution layer and space the undersurface from the load distribution layer, defining an interstitial void between the upper layer and the load distribution layer, wherein all of the layers are secured together with an adhesive, and wherein the base layer, the damping layer, the load distribution layer and the upper layer cooperate to provide a coefficient of restitution no greater than 30% and a reduction of a maximum sound level of at least 5 dB from 40 to 63 Hz ⅓
octave bands and at least 13 dB at and above 80 Hz ⅓
octave bands normalized to a conventional ⅜
inch rollout rubber flooring product;a less damped zone located adjacent and between the two impact damping zones, the less damped zone providing a different coefficient of restitution and a different reduction of the maximum sound level than each of the impact damping zones; and a frame at least partially surrounding the two impact damping zones and the less damped zone.
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18. A flooring system comprising:
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a base layer having a base surface with a plurality of protuberances, the base layer being formed of rubber and having a thickness of 11/16 of an inch, the base layer comprising a plurality of elongate base layer runs placed contiguously in a first direction; a damping layer overlying the base layer, the damping layer being formed of a polyether urethane material and having a thickness of ½
of an inch, the damping layer comprising a plurality of elongate damping layer runs placed contiguously in a second direction perpendicular to the first direction;a load distribution layer overlying the damping layer, the load distribution layer being formed of rubber and having a thickness of 5/16 of an inch, the load distribution layer comprising a plurality of elongate load distribution layer runs placed contiguously in the first direction; and an upper layer overlying the load distribution layer and having a planar top surface, the upper layer being formed of rubber and having a thickness of 1¼
inches, the upper layer comprising a plurality of side-by-side tiles, each of the tiles comprising a recessed undersurface from which a plurality of impact pedestals depend;wherein, for each of the tiles, the impact pedestals contact the load distribution layer and space the undersurface from the load distribution layer, defining an interstitial void between the upper layer and the load distribution layer; wherein all of the layers are secured together with an adhesive; wherein the base layer, the damping layer, the load distribution layer and the upper layer cooperate to provide a coefficient of restitution no greater than 30% and a reduction of a maximum sound level of at least 5 dB from 40 to 63 Hz ⅓
octave bands and at least 13 dB at and above 80 Hz ⅓
octave bands normalized to a conventional ⅜
inch rollout rubber flooring product; andwherein each of the tiles comprises at least one interlocking feature to engage at least one adjacent tile in the plurality of side-by-side tiles.
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19. An impact damping mat comprising:
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a plurality of layers arranged in a stacked formation, one of said layers having a recessed undersurface from which a plurality of impact pedestals depend, the impact pedestals contacting an underlying layer in the stacked formation and spacing the undersurface of the one layer from the underlying layer thereby to define an interstitial void between the one layer and the underlying layer; wherein the one layer is an upper layer of said stacked formation, and wherein the one layer has a planar upper surface; wherein the underlying layer is a load distribution layer; wherein the impact damping mat further comprises a base layer beneath said load distribution layer, the base layer having a contoured base surface and an array of protuberances depending therefrom. - View Dependent Claims (20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30)
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Specification