Patent ID: 6041907
Filing Date: 2000-03-28
Classification: B28C

Abstract:
A hydraulically operated concrete transfer chute for connection to a concrete truck comprising:a. a first U-shaped chute section pivotally connected to a concrete truck, said first chute section having an inner end and an outer end, said inner end of said first chute section being aligned to receive concrete discharged from said concrete truck, said first chute section having an extended bearing surface inside each of the top sides of said first chute section, each of said two extended bearing surfaces extending from the outer end of said first chute section at least to the point at which concrete enters the first chute section,b. a second U-shaped chute section slidably connected to said first U-shaped chute section and adapted to telescope thereover, said second U-shaped chute section having an inner end and an outer end, said second chute section having an extended bearing surface inside each of the top sides of said second chute section, each of said two extended bearing surfaces extending from the outer end of said second chute section to the inner end of said second chute section, said second chute section having a plurality of roller bearings thereon aligned in a row along the inside each of the top sides of said second chute section, each of said rows of roller bearings being covered on their top side by an extended bearing surface, andc. a third U-shaped chute section slidably connected to said first U-shaped chute section and adapted to telescope thereover, said third U-shaped chute section having an inner end and an outer end, said third chute section having an extended bearing surface inside each of the top sides of said third chute section, each of said two extended bearing surfaces extending from the outer end of said third chute section to the inner end of said third chute section, said third chute section having a plurality of roller bearings thereon aligned in a row along the inside each of the top sides of said third chute section, each of said rows of roller bearings being covered on their top side by an extended bearing surface.