초록 ▼

A mounting mechanism for an endless traction band system in which the endless band is supported on and driven by a pair of laterally spaced roller chains. The mounting mechanism supports a double sprocket for engaging the chains and is adapted to permit a limited degree of skewing by the sprocket wh

A mounting mechanism for an endless traction band system in which the endless band is supported on and driven by a pair of laterally spaced roller chains. The mounting mechanism supports a double sprocket for engaging the chains and is adapted to permit a limited degree of skewing by the sprocket wheel shaft so as to maintain the sprockets in alignment with the roller chains even when the roller chains are deformed in response to laterally imposed loads.

대표청구항 ▼

In vehicle traction apparatus of the type including an endless traction band having an outer convex surface and an inner concave surface, a first roller chain mounted on one side edge of the band and a second roller chain mounted on the other side edge of the band, said roller chains being of the ty

In vehicle traction apparatus of the type including an endless traction band having an outer convex surface and an inner concave surface, a first roller chain mounted on one side edge of the band and a second roller chain mounted on the other side edge of the band, said roller chains being of the type that can experience a deviation of up to about +6°from a linear path, an improved mounting mechanism for the endless band comprising first and second spaced apart arms each having an upper end and a lower end, means for mounting the upper ends of said arms to said vehicle so that said arms depend from said vehicle in parallel spaced apart relation, said mounting means affording independent pivotal movement of said arms about a generally horizontal common axis that extends substantially transversely of the vehicle, first and second shaft supports carried at the lower ends of respective said arms, there being imaginary lines extending between respective said mounting means and said shaft supports, said shaft supports each including a body portion and means for securing said body portion to said lower end for pivotal movement about a gimbal axis that is substantially parallel to said imaginary line, and an endless band support member including a shaft mounted to said body portions for rotation relative thereto and extending between said arms, first and second sprockets fixed to said shaft for engaging respective said roller chains, said support member skewing by an amount corresponding to said deviation between a position parallel to said common axis and a position oblique of said common axis in response to side loads imposed on said endless band so as to maintain substantial parallelism between said sprockets and said roller chains.