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특허 상세정보

Two-handled shovel

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) A01B-001/22    B25G-003/00   
미국특허분류(USC) 294/058; 016/426
출원번호 US-0383344 (2003-03-06)
발명자 / 주소
대리인 / 주소
    Hunter Christopher H.
인용정보 피인용 횟수 : 12  인용 특허 : 16
초록

A shovel for snow, dirt or other product comprises a main shovel handle having a main hand grip and a main pole which is attached to a blade; and an auxiliary handle having an auxiliary hand grip and an auxiliary pole. According to one aspect, the auxiliary pole has a threaded end which is received in a threaded bore in the main pole. The auxiliary pole can be easily attached and detached from the main pole. Adhesive can also be used. According to further aspects, a separate connecting device connects the auxiliary pole to the main pole. In one further a...

대표
청구항

1. A shovel, comprising a main handle having (i) a main pole, (ii) a main hand grip attached at one end of the main pole, and (iii) a blade attached at another end of the main pole;an auxiliary handle having (i) an elongated auxiliary pole, and (ii) an auxiliary hand grip at one end of the auxiliary pole; anda separate connecting device removably securing the auxiliary pole to the main pole, said separate connecting device comprising an elongated, flexible, C-shaped sleeve circumferentially surrounding more than half or the main pole, with an inside surf...

이 특허에 인용된 특허 (16)

  1. Rutledge Thomas G. (Chicago IL). Adjustable double handled shovel. USP1988114787661.
  2. Lichfield William H. (Corinne UT) Lichfield Dale W. (Brigham City UT). Auxiliary handle. USP1995035400471.
  3. Vaslas ; John W.. Auxiliary handle for long-handled implements. USP1978124128266.
  4. Hultine Donald W. (R.R. 3 ; Box 79 Harvard NE 68944). Auxiliary shovel handle. USP1986104615553.
  5. Rutz Almer J. (Box 543 Riverdale ND 58565). Detachable and adjustable auxiliary handle for a long-handled material-moving tool. USP1997095669650.
  6. Revoldt Paul L. (49535 South Dr. Plymouth MI 48170). Double handle snow shovel. USP1995055411305.
  7. Kohm Blane D. (832 Edgemont Perryville MO 63775). Flashlight baton apparatus. USP1991055016148.
  8. Reisner Robert J. (1624 N. Kilbourn Ave. Chicago IL 60639). Handle accessory for work tools. USP1979054155582.
  9. Graves, David E.. Leverage enhancement arrangement for tool. USP2003086601887.
  10. Tidwell Robert L. (15785 Mission St. Hesperia CA 92345). Power trowel control device. USP1990034911575.
  11. Adams Michael (3954 Dundee Rd. Northbrook IL 60062). Raised grip shovel. USP1987094690447.
  12. Davidson Glenn E. (205 Franklin Sublette KS 67877). Second handle for attaching to a shovel or the like. USP1977094050728.
  13. Bieniek Christopher (7305 Sisson Hwy. Hamburg NY 14075). Shovel lift apparatus. USP1992085137317.
  14. Decker Mark (7660 S. Creek Rd. Girard PA 16417). Two handled shove with elastomeric hinge. USP1988124793645.
  15. Rocha Louis F. (91 Highland St. Taunton MA 02780). Two-handed shovel. USP1992075133582.
  16. Waldschmidt Kenneth P. (309 E. 14th Ellis KS 67637). Two-handled shovel. USP1990074944541.