Eccentric-disk tamper

Details Eccentric-disk tamper Eccentric-disk tamper

1981-04-10

1983-06-14

Byers, Jr., Nile C.

Road structure, process, or apparatus

Apparatus

Means to agitate material

404133, E01C 1938

Patent

active

043880185

ABSTRACT:
An eccentric-disk tamper, comprising a vibrator frame intended to be raisably and lowerably attached to a vehicle, also comprises at least one vibrator unit connected to the frame by means of parallel guide linkages and bolts disposed at the pivot points. To avoid wear and tear on the joint bolts and to maintain the damping effect of a rubber insert, the bolts are non-rotatably secured to an inner metal sleeve of a coupling link which further includes an outer metal sleeve and, compressed between these two sleeves, a rubber cylinder non-rotatably fixed to both sleeves. Each such coupling link is non-rotatably connected to a respective guide rod of a parallel linkage. A stop disposed between two such guide rods limits their angle of displacement to displacement within the elastic limit of the rubber.

REFERENCES:
patent: 2687071 (1954-08-01), Day
patent: 2737094 (1956-03-01), Jackson
patent: 2938438 (1960-05-01), Hamilton
patent: 2951427 (1960-09-01), Moir
patent: 3181442 (1965-05-01), Brigel
patent: 3232188 (1966-02-01), Frohnauer
patent: 3240134 (1966-03-01), McRae
patent: 3327598 (1967-06-01), Wayer
patent: 3635133 (1972-01-01), Stougaard
patent: 3930741 (1976-01-01), Berry

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