Mass compensated impacting apparatus

Details Mass compensated impacting apparatus Mass compensated impacting apparatus

1980-07-17

1983-05-10

Byers, Jr., Nile C.

Road structure, process, or apparatus

Apparatus

Tamper

404117, E01C 1941

Patent

active

043827152

ABSTRACT:
In a mass compensated impacting apparatus composed of at least one pair of impacting tools and a common tool carrier supporting the tools, there is provided a two-mass vibration excitation system associated with each tool and including vibrating masses which are positively linearly guided in an essentially non-resilient manner, and a unit driving the vibratory masses with phase relationships such that the resulting average of all mass forces becomes at least approximately zero.

REFERENCES:
patent: 3717100 (1973-02-01), Sieke
patent: 3885883 (1975-05-01), Sieke
patent: 3909148 (1975-09-01), Vural
patent: 3923412 (1975-12-01), Linz
patent: 4082471 (1978-04-01), Hiszpanski
patent: 4088077 (1978-05-01), Beckman
patent: 4105356 (1978-08-01), Loveless
patent: 4127351 (1978-11-01), Vural
patent: 4176983 (1979-12-01), Gardner

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