Road structure – process – or apparatus – Apparatus – Tamper
Reexamination Certificate
2007-12-04
2007-12-04
Addie, Raymond W (Department: 3671)
Road structure, process, or apparatus
Apparatus
Tamper
C404S133050
Reexamination Certificate
active
10518171
ABSTRACT:
The invention relates to a soil compacting device, especially a vibrating plate, which comprises an undercarriage mounted on a lower body, said undercarriage having an undercarriage axle that is stationary with respect to the device. By suitably positioning the undercarriage axle it is achieved that, in a vibrating position, the rolling bodies do not touch ground while they do touch ground when the entire device is simply tilted about an axis that corresponds approximately to the undercarriage axle, thereby allowing the mobility of the device. The soil compacting device is advantageous over conventional devices in that an extension or swiveling of the undercarriage axle for the purpose of transport and the corresponding devices are no longer required.
REFERENCES:
patent: 3199424 (1965-08-01), Glass
patent: 3232188 (1966-02-01), Frohnauer
patent: 6293729 (2001-09-01), Greppmair
patent: 6394697 (2002-05-01), De Boer
patent: 6409426 (2002-06-01), MacLellan
patent: 6551022 (2003-04-01), Stayner
patent: 6588977 (2003-07-01), Stayner
patent: 321 022 (1957-04-01), None
Kuchler Marcus
Schennach Hermann
Boyle Fredrickson , S.C.
Wacker Construction Equipment AG
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