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특허 상세정보

Ladder dolly

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) B62B-005/00   
미국특허분류(USC) 280/079.11; 280/079.3; 280/047.34; 182/020
출원번호 US-0180594 (2002-06-26)
발명자 / 주소
대리인 / 주소
    Walters &
인용정보 피인용 횟수 : 7  인용 특허 : 39

A dolly is disclosed for transporting a ladder. The dolly has a main frame, a ladder brace, and a ladder stop. The main frame has a first end, second end, and a single longitudinal frame member extending between the first end and the second end. The ladder brace upwardly extends from the first end of the main frame and supports one end of the ladder. The ladder stop upwardly extends from the second end of the main frame and engages a rung of the ladder. The dolly extends in length and height to accommodate various ladder lengths, and the dolly collapses ...


1. A dolly for transporting a ladder, comprising:a main frame having a first end and a second end, the main frame including only a unitary longitudinal frame member extending between the first end and the second end; a ladder brace upwardly extending from the first end of the main frame, the ladder brace for supporting one end of the ladder, the ladder brace having a single support member fixed to, and upwardly extending from, the first end of the main frame, with the single support member including a crossbar, the crossbar affixed to an upper end of the...

이 특허에 인용된 특허 (39)

  1. Davis ; Jr. William M. (8841 Flintlock Rd. Knoxville TN 37931). Apparatus for mounting a transmission on an engine stand. USP1996105562271.
  2. Watkins David G.. Collapsible cable dispensing dolly. USP2001026182920.
  3. Zabala Teresa A. (3735 Benton St. ; NW. Washington DC 20007) Affleck David L. (Scotts Valley CA). Combination folding stool and dolly. USP1984094471969.
  4. Tornabene Dean ; Perez Charles. Combination hand truck, stepladder and basket carrier. USP2001016173811.
  5. Paton H. Earl (Hudson WI). Combination saddle carrier and rack. USP1994115362078.
  6. Ast Dale A. (Wichita KS). Combination stepladder and hand truck apparatus. USP1985014494626.
  7. Tarran ; Phil Keith. Combined hand truck and ladder. USP1978084106590.
  8. Alimbau Marques Salvador (San Elias 21 3o Barcelona 6 ESX). Convertible fold-up ladder. USP1985014493392.
  9. Bjerkgard Bjorn (Surrey CA). Convertible ladder-carrier vehicle assembly. USP1977034009762.
  10. Blake Richard E. (Indianapolis IN). Dolly apparatus. USP1982114360211.
  11. Dahl Deborah L. (3756 Fir St. Greenbank WA 98253). Galley dolly. USP1997085655734.
  12. Cowe Alexis M. (911 Camino Corrida Tucson AZ 85737). Golf bag and accessory cradle. USP1996095556064.
  13. Chi-Tzung Huang TW. Hanger for displaying clothing. USP2002066401948.
  14. Brookes Malcolm J. (30 E. 68th St. New York NY 10021) Sheridan James (Box 295-A Rte. 1 Englishtown NJ 07726) Spranger Douglas M. (23 Fiske Place Brooklyn NY 11215). Ladder aids. USP1976113991852.
  15. DiSario Peter. Ladder caddy. USP1998035727799.
  16. DiSario Peter. Ladder caddy. USP2001046209681.
  17. Vitols John R. (300 Oxford Avenue Brockville ; Ontario CAX K6V 3E2). Ladder support. USP1990054923050.
  18. Freund Harvey J. (Crystal MN). Ladder treestand and trailer rit. USP1992045105908.
  19. Rohde Earl C. (327 Green Muscatine IA 52761). Lookout convertible to a compact dolly. USP1984014428456.
  20. McDonald Jeff B. (22693 Eyota Rd. Apple Valley CA 92307). Masonry block dolly. USP1992045102154.
  21. Friday Ronald W. (310 Lillian Street Thunder Bay ; Ontario CAX P7A 1J2). Mobile suspended scaffold. USP1989054828073.
  22. Campbell William F.. Multi-purpose wire dispensing cart. USP2001086270094.
  23. Dodge John P. (1507 Brixham Ave. McHenry IL 60050). Paint rack for a vehicle body shop. USP1997085660637.
  24. Birk James R. (7100 SW. 139th Oklahoma City OK 73173). Personal material handling system. USP1996115577745.
  25. Killeen Walter H. (210 S. Lopez St. New Orleans LA 70119). Portable hoist. USP1987094690248.
  26. Gary J. D'Annunzio ; Patrick M. Murray ; Steven J. Allen ; Marilyn D. Vala ; Todd A. Mysliwiec ; Vincent VanLierde ; Jason P. Baldas. Rear vehicle storage system. USP2002016338518.
  27. Sisler Remo (Sommacampagna ITX). Reciprocal attitude-angle self-differentiating device for pivotable wheels of handtrucks. USP1992085140720.
  28. Boon Charles W. (515 33rd St. Fort Madison IA 52627). Roll lifting, transporting, and unrolling dolly system and method. USP1987124711407.
  29. Briggs Thomas V.. Snowmobile dolly. USP2001036206386.
  30. Guidara Orlando (79 Livingstone Ave. Beverly MA 01915). Stepladder dolly. USP1976053954155.
  31. Wilson James R. (P.O. Box 263 Looper TX 75432). Stepladder dolly. USP1995015382032.
  32. Saul ; Jr. Samuel (Pittsburgh PA) Colbridge Thomas D. (Chalkhill PA). Storage equipment. USP1976033945510.
  33. Parks James E.. Tool caddy. USP1999045893572.
  34. Wilson Ronald E. (6218 E. Paradise La. Scottsdale AZ 85254). Transport aid for A-frame stepladder. USP1986014564203.
  35. Ross S. Trimble. Transport vehicle for post auger, post auger support stand therefor and methods of making the same. USP2002076419245.
  36. Maser Gregory James ; Hoefer Sean Karl. Universal axle and differential carrier stand. USP2001116322061.
  37. Shelton Louis C. (Valdosta GA). Wheeled support for vehicles. USP1996045505425.
  38. Swager ; deceased William E.. Wheeled transport device. USP1999035882023.
  39. Elder Doyle. Wire dispensing device. USP2000096116533.