Apparatus for cleaning pavement expansion joints

Details Apparatus for cleaning pavement expansion joints Apparatus for cleaning pavement expansion joints

1978-09-18

1979-10-23

Byers, Jr., Nile C.

Mining or in situ disintegration of hard material

Hard material disintegrating machines

Floor-working

404 89, 404 74, 404 87, E21C 4700

Patent

active

041718496

ABSTRACT:
An apparatus for removing sealants from expansion joints in pavement slabs preparatory to replacement of the sealant is adapted for demountable attachment to the rear of a motorized vehicle. The apparatus includes a frame which is pivotably movable about a horizontal axis by means of a linear actuator. A carriage, having a cutting tool bit carried in a tool holder at the trailing edge thereof, is supported on the frame so as to be pivotably movable therewith with such movement employed for positioning and holding the cutting tool in the joint being cleaned. The carriage is free to laterally slide relative to the frame for freely tracking the expansion joint being cleaned.

REFERENCES:
patent: 615698 (1898-12-01), Hardy
patent: 2541309 (1951-02-01), Trail
patent: 2584993 (1952-02-01), Eder
patent: 2633345 (1953-03-01), Nordone
patent: 3043200 (1962-07-01), Huttash
patent: 3432969 (1969-03-01), Byttebier
patent: 3791696 (1974-02-01), Riley
patent: 3904245 (1975-09-01), Clarke
patent: 4043601 (1977-08-01), Schiller

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