Drag shoe for use in a street sweeping vehicle

Details Drag shoe for use in a street sweeping vehicle Drag shoe for use in a street sweeping vehicle

1997-10-29

1999-08-24

Spisich, Mary

Brushing, scrubbing, and general cleaning

Machines

Brushing

15 83, E01H 104

Patent

active

059409193

ABSTRACT:
A street sweeping vehicle has a generally centrally disposed longitudinal axis, a sweeping brush disposed laterally across the longitudinal axis for sweeping debris forwardly into an elevator disposed forwardly of the sweeping brush and laterally across the generally centrally disposed longitudinal axis, and opposed left and right drag shoes disposed on opposite sides of the longitudinal axis and laterally bordering the sweeping brush and elevator. The elevator lifts debris received from the sweeping brush into a hopper for subsequent controlled dumping therefrom. Each drag shoe comprises a main body member having a front end and a back end. A mounting assembly permits mounting of each drag shoe on the street sweeping vehicle in road tracking relation. A bottom surface is shaped for substantially sealed contact with a road surface. A generally vertically disposed inwardly facing side surface has a contacting portion situated in intimately contacting relation against the sweeping brush so as to substantially preclude debris passing between the contacting portion and the sweeping brush. A first angled deflector surface having front, back, top and bottom edges is operatively mounted on the street sweeping vehicle proximate the side surface such that the front edge is disposed closer to the longitudinal axis than is the back edge. The first angled deflector surface substantially precludes direct forward passage and causes inwardly angled deflection of an impacting portion of the debris swept forwardly by the sweeping brush.

REFERENCES:
patent: 1456393 (1923-05-01), Martin
patent: 3186016 (1965-06-01), Gehman et al.
patent: 3588937 (1971-06-01), Scruggs et al.
patent: 4951342 (1990-08-01), Wilson

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