Willem Arie Van Der Ent,Maarten Koorn,Jelle Fredo Oudemans,Shane A. Bollinger
申请号：
US12778265
公开号：
US08327612B2
申请日:
2010.05.12
申请国别(地区):
US
年份:
2012
代理人:
摘要：
Device for mowing crops, comprising a series of mowing units arranged side by side at predetermined distances, each mowing unit comprising a knife holder with at least one knife carrying portion for carrying a mowing knife, and a drive mechanism for each knife holder. The drive mechanism for each knife holder comprises a first drive element comprising a hub portion for carrying the respective knife holder, and a second drive element drivingly engaged with the first drive element to rotatingly drive the knife holder about a vertical axis. In normal operation, the knife holder and the hub portion form a unitary rotatable assembly which, at a position between the knife carrying portion and the hub portion, is provided with a break connection which is effective in a radial direction.
