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US 4,906,223 AGranted
Pulley construction, drive system utilizing the same and methods of making the same
AssigneeDayco Products, Inc.
InventorMichael E. Allen
Life of this patent
Estimating the term…
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AssigneeDayco Products, Inc.
InventorMichael E. Allen
Estimating the term…
A pulley construction, drive system utilizing the pulley construction and method of making the pulley construction are provided, the pulley construction being utilized with an endless drive belt and comprising a body member having a peripheral groove therein for receiving part of the belt therein and having a securing unit, and a hub member having a securing unit secured to the securing unit of the body member so as to hold the members in aligned assembled relation to rotate in unison, the hub member having structure for being interconnected to a shaft so that the pulley construction and the shaft will be adapted to rotate in unison, the securing units are so constructed and arranged that the securing unit of one of the members has a part thereof that is adapted to break away from the one member under a certain normal driving force of the belt when the shaft is prevented from rotating so as to permit relative rotational movement between the members while the securing units maintain the thus relatively rotatable members in the aligned assembled relation thereof.
In a pulley construction for use with an endless drive belt means, said pulley construction comprising a body member having a peripheral means for receiving part of said belt means thereon and having securing means, and a hub member having securing means secured to said securing means of said body member so as to hold said members in aligned assembled relation to rotate in unison, said hub member having means for being interconnected to a shaft means so that said pulley construction and said shaft means will be adapted to rotate in unison, the improvement wherein said securing means are so constructed and arranged that said securing means of one of said members has a part thereof that is adapted to break away from said one member under a certain normal driving force of said belt means when said shaft means is prevented from rotating so as to permit relative rotational movement between said members while said securing means maintains the thus relatively rotatable members in said aligned assembled relation thereof.
In a drive system comprising a pulley construction, a shaft means, and a driven endless belt means, said pulley construction comprising a body member having a peripheral means receiving part of said belt means thereon and having securing means, and a hub member having securing means secured to said securing means of said body member so as to hold said members in aligned assembled relation to rotate in unison, said hub member having means interconnected to said shaft means so that said pulley construction and said shift means will rotate in unison as said belt means drives said pulley construction, the improvement wherein said securing means are so constructed and arranged that said securing means of one of said members has a part thereof that is adapted to break away from said one member under a certain normal driving force of said belt means when said shaft means is prevented from rotating so as to permit relative rotational movement between said members while said securing means maintains the thus relatively rotating members in said aligned assembled relation thereof as said belt means continue to rotate said body member relative to said hub member.
In a method of making a pulley construction for use with an endless drive belt means, said method comprising the steps of forming a body member with a peripheral means for receiving part of said belt means thereon and with securing means, forming a hub member with securing means, securing said securing means of said hub member to said securing means of said body member so as to hold said members in aligned assembled relation to rotate in unison, and forming said hub member with means for being interconnected to a shaft means so that said pulley construction and said shaft means will be adapted to rotate in unison, the improvement comprising the step of forming said securing means so that said securing means of one of said members has a part thereof that is adapted to break away from said one member under a certain normal driving force of said belt means when said shaft means is prevented from rotating so as to permit relative rotational movement between said members while said securing means maintains the thus relatively rotatable members in said aligned assembled relation thereof.
Dependencies are inferred from the claim text.