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특허 상세정보

Monofilament line based cutter assembly

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) A01D-034/68   
미국특허분류(USC) 56/012.1 ; 56/012.7 ; 56/016.7 ; 56/DIG.17 ; 56/255 ; 30/276
출원번호 US-0518271 (1995-08-23)
발명자 / 주소
출원인 / 주소
대리인 / 주소
인용정보 피인용 횟수 : 20  인용 특허 : 0

A replacement cutting head for a bump head cutter of a string trimmer which replacement head can also be utilized as a blade assembly replacement for a power lawn mower. The cutting head is conventionally attached to the drive shaft of the tool, and it features a whirling disk having a plurality of heavy gauge flexible members attached thereto. These members extend outwardly due to centrifugal force upon actuation of the tool and which due to the high rotational speed of the cutting head, cut through plants of all kinds.


[ I claim:] [1.] An apparatus comprising a powered device for cutting vegetation, which device comprises a housing having a motor mounted thereto, with a threaded drive shaft extending through said housing for attachment to a primary cutter assembly, which primary cutter assembly comprises:a single flat cutting disk having a top surface and a bottom surface, and having a central bore for the receipt of a mounting bolt, a plurality of pairs of uniformly spaced apertures disposed at the same radius around the periphery of said cutting disk, said central bo...

이 특허를 인용한 특허 피인용횟수: 20

  1. Harb Mitchell A.. Adjustable height head for string trimmer. USP2000046052974.
  2. Sanders, Warren. Collapsable transverse handle for elongated tool. USP2004036701623.
  3. Legrand, Emmanuel. Cutting head for a brush cutter, edge trimmer or similar. USP2009097587828.
  4. Legrand,Emmanuel. Cutting string for plant cutting appliance. USP2008057370424.
  5. Legrand, Emmanuel. Cutting unit and cutting filament for a plant cutting device. USP2009067543387.
  6. Legrand, Emmanuel. Cutting wire for brush cutters and edge trimmers. USP2009107607233.
  7. Legrand, Emmanuel. Cutting wire for devices such as edge trimmers or brush cutters. USP2016099445542.
  8. Wu, Hui-Yi. Direct drive electric lawn mower. USP2016059345193.
  9. Johnson Jay. Double-headed vegetation trimmer. USP2001026185916.
  10. Ciaglo Walter M.. Filament employing lawnmower blade apparatus. USP1999105970693.
  11. Kinoshita, Yusuke; Mutoh, Hiroki; Yamauchi, Yoshihiro. Grip for backpack-type air blowing machine. USP2016069363949.
  12. Legrand, Emmanuel. Method for the production of plant cutting filaments. USP2010117829002.
  13. Livingston, Robert J.. Replacement cutting attachment for string trimmer. USP2003116643938.
  14. Lingerfelt Larry G.. String trimmer head. USP1999055901448.
  15. Nolin, Eric; Cogan, Benjamin H.; Morrison, Robert L.; Coghill, Steve. String trimmer head. USP20180910070582.
  16. Monaco, John A.. Thatching attachment for a rotary power lawn mower. USP2005016840030.
  17. Klein James B.. Universal cutting head for a vegetation trimmer. USP2000126158129.
  18. Albertson, Robert V.. Vegetation trimmer. USP2017059661804.
  19. Yandle, II, S. Elwood. Weed cutter including multi-medium weed cutting head. USP2004046715270.
  20. Jerez, Orlando; Jerez, Jr., Orlando. Weed trimming apparatus, weed trimmer head, and trimmer line retention device. USP2017039603301.