Chest protector
a technology for chest and chin, applied in the field of chest protectors, can solve the problems of commotio-cortis, rapid loss of blood pressure, unconsciousness, and coma, and achieve the effect of reducing the impact for
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example no.1
EXAMPLE NO. 1
[0041] A baseball was thrown by a standard pitching machine at various speeds, against a vertical surface. A sensor was fixed to the vertical surface, connected to a computer processor programmed with speed and force analysis software, to measure the impact force. A series of tests was conducted, pitching the ball against the vertical surface (1) while it was unprotected; (2) while it was protected by a pad of the invention, consisting of an outer layer of a single sheet of 0.5″ thick Sorbethane®, a middle layer of rigid plastic, and an inner layer of a single sheet of 0.5″ thick Sorbethane®, designated, for testing purposes, the B-series of the invention, and (3) while it was protected by a prior art pad, consisting of quilted padding sewn into a vest. In each test, the speed of the ball and the resultant impact force was measured. For purposes of comparison, each measured impact force was normalized to a ball speed of 60 mph. Table 1 below lists the ball test, the typ...
example no.2
EXAMPLE NO. 2
[0043] In another test, the same testing apparatus described above was used to test a second embodiment of the present invention, having an outer layer of two (2) 0.5″ thick sheets of Sorbethane®, a middle rigid plastic layer, and an inner layer of a single ⅜″ thick sheet of foam, designated, for testing purposes, the D-series of the invention. Table 2 lists the actual ball speed, the normalized ball speed (at 60 mph), the actual impact force, the normalized impact force, and the percent of force reduction.
TABLE 2Normal-BallizedActualNormal-Reduc-TestType ofSpeedBall SpeedForceizedtionNo.Protection(mph)(mph)(lbs)Force (lbs)(%)D1-4Invention55.9560832892.339.3D2-5Invention61.9060892864.741.2D3-6Invention60.8660866853.741.9Average870.240.8
example no.3
EXAMPLE NO. 3
[0044] In a third test, the same testing apparatus was used to test a third embodiment of the present invention, having an outer layer of a single sheet of 0.5% thick Sorbethane®, a middle rigid plastic layer, and an inner layer of two (2) ⅜″ sheets of foam, designated, for testing purposes, the E-series of the invention. Table 3 lists the same types of data listed above.
TABLE 3Normal-BallizedActualNormal-Reduc-TestType ofSpeedBall SpeedForceizedtionNo.Protection(mph)(mph)(lbs)Force (lbs)(%)E1-7Invention59.8160610611.958.4E2-8Invention60.1460622620.657.8E3-9Invention57.6860602626.257.4Average870.257.9
[0045] As can be seen, an athlete wearing the protective garment according to the present invention of the D-series, as broadly described above, should receive an approximate 41% reduction of the impact force, and an athlete wearing a protective garment according to the E-series, as broadly described above, should receive an approximate 58% reduction of the impact of forc...
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