US 6,918,481 B2 · Discharge chute for concrete

Abstract

A light weight but strong extension chute for discharging concrete from a concrete transportation vehicle or a cement mix plant. An extension concrete chute comprising a chute assembly including a frame having a first end and a second end, with each end including an arcuate end angle member maintained in a spaced apart relationship by a pair of chute rails attached to each end angle member. The chute assembly also includes a chute skin mounted within the frame and attached to each chute rail and each end angle member, wherein the chute assembly defines a longitudinally elongated concave chute. A removable liner is mounted within the chute assembly adjacent to the chute skin. Each chute rail is provided with a hook mounted on each chute rail proximate the second end of the chute assembly and a bracket assembly mounted on each chute rail proximate the first end of the chute assembly.

Claims12

Dependent claims

A concrete chute with liner comprising:

a chute;
a pair of rail tubes, a single said rail tube being attached to each side of said chute, each said rail tube having an outstanding-lip on a side thereof;
and
a liner being inserted into said pair of rail tubes, said outstanding lip being sized to slidably receive a thickness of said liner;
a front flange being attached to a front of said chute;
a rear flange being attached to a rear of said chute;
a hook being attached to a front of each said rail tube, said hook having a slot formed therein, said liner having a pair of notches formed on a front end of said liner, each notch being sized to receive a single said hook, said pair of notches preventing said liner from sliding out from a front of said concrete chute;
and
a hook mount being attached to a rear of each said rail tube, said hook mount enabling at least two concrete chutes with liners to be attached end-to-end.

6 more elements

Dependencies are inferred from the claim text.

Discharge chute for concrete

Life of this patent

Discharge chute for concrete

Life of this patent

Abstract

Claims12