Patent ID: 9103077
Filing Date: 2015-08-11
Classification: E01C,F16H,Y10T

Abstract:
1. A vibratory mechanism for a compaction machine, the vibratory mechanism comprising: a first eccentric defining a first internally helically splined bore therein; a second eccentric defining a second internally helically splined bore therein; and a key shaft including a first helically splined portion and a second helically splined portion, the first helically splined portion being complimentary to and disposed at least partially within the first internally helically splined bore, the second helically splined portion being complimentary to and disposed at least partially within the second internally helically splined bore, the first and second helically splined portions being oppositely splined wherein the first eccentric is adapted to provide rotary motion to the key shaft, and the key shaft is adapted to provide rotary motion to the second eccentric.