发明名称 Flow blade operating system
摘要 A plow blade operating system having a plow or scraper is configured to quickly and retractably overcome obstacles that are encountered during plowing, scraping, and leveling activities without the need to recharge or reset the system pressure after the obstacles have been passed and which continually biases the plow or scraper downward against the road surface such that the plow or scraper will properly remove snow, sand, gravel, etc . . . from any dips or depressions in the road.
申请公布号 US5921010(A) 申请公布日期 1999.07.13
申请号 US19970798853 申请日期 1997.02.12
申请人 LITTLE FALLS MACHINE, INC. 发明人 SCHULTE, RAYMOND H.;STEINKAMP, THOMAS
分类号 E01H5/06;(IPC1-7):E01H5/04 主分类号 E01H5/06
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