发明名称 LAWN MOWER HAVING DECK LIFT SYSTEM
摘要 This invention relates to a lawn mower including a deck lift system. The deck lift system is adapted to permit at least the cutter deck to be raised and lowered relative to the ground so as to selectively adjust the mower's height of cut.
申请公布号 US2015359173(A1) 申请公布日期 2015.12.17
申请号 US201414315728 申请日期 2014.06.26
申请人 Wright Manufacturing, Inc. 发明人 WRIGHT Edward R.;WEEMS Corey M.;McCutcheon IV Robert J.
分类号 A01D34/74;A01D34/64;A01D34/66 主分类号 A01D34/74
代理机构 代理人
主权项 1. A lawn mower comprising: a cutter deck assembly including a cutter deck and a plurality of cutting blades that are driven by at least an engine for cutting grass; a deck lift system for raising and lowering the cutter deck assembly, an engine deck and the engine together as a unit so that a height of cut of the mower can be adjusted by an operator of the lawn mower, the deck lift system including at least a deck lift lever for selective operation by an operator of the mower and first and second biasing springs for providing biasing force for at least helping raise the cutter deck assembly, engine deck, and engine; wherein the cutter deck assembly is suspended from a frame of the mower so that the cutter deck assembly can float relative to the frame; and wherein the first and second biasing springs collectively provide sufficient biasing force so that operator of the mower has to physically push down on the deck lift lever in order to lower the cutter deck in at least 10% of a cutter deck movement range of the deck lift system, said pushing down on the deck lift lever by the operator causing the cutter deck to be lowered.
地址 Frederick MD US