Roller carriage assembly for use with a road surface finishing m

Details Roller carriage assembly for use with a road surface finishing m Roller carriage assembly for use with a road surface finishing m

1986-07-15

1988-01-05

Leppink, James A.

Road structure, process, or apparatus

Apparatus

Rotating drum, roller or tire

404103, 404117, 74 87, E01C 1928, E01C 1929

Patent

active

047172827

ABSTRACT:
A roller carriage assembly for a road surface finishing machine of the type having an elongated main frame is disclosed. The assembly features a vibrating drum or roller wherein rotating eccentric weights used to generate vibrations can be rotated at speeds which are independent of the speed of roller rotation to thus permit the finishing of extremely low slump concrete. The assembly employs a scissors extender system which permits rapid and precise changes in the level of the roller relative to the main frame without affecting the attitude of the former relative to the latter. The scissors extender system is locked in place by a rotating locking mechanism and is rigidified by the use of four chains disposed at the corners of the system and strung between upper and lower plates between which the scissors mechanism operates.

REFERENCES:
patent: 2508934 (1950-05-01), Berg
patent: 2745326 (1956-05-01), Green
patent: 3333553 (1967-08-01), Krokos
patent: 3415174 (1968-12-01), Kaltenegger
patent: 3450011 (1969-06-01), Goobersen
patent: 3482494 (1969-12-01), Jennings, Jr.
patent: 3665823 (1972-05-01), Chaney et al.
patent: 3737244 (1973-06-01), Wilson
patent: 3814532 (1974-06-01), Barrett et al.
patent: 3989404 (1976-11-01), Burton
patent: 4260280 (1981-04-01), Hirn et al.

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