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특허 상세정보

Step extending apparatus

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) A61H-003/00   
미국특허분류(USC) 135/066; 135/067; 135/084; 482/052; 482/067; 182/106; 297/423.41
출원번호 US-0263620 (2002-10-03)
등록번호 US-7490617 (2009-02-17)
발명자 / 주소
출원인 / 주소
대리인 / 주소
    Dority & Manning, P.A.
인용정보 피인용 횟수 : 2  인용 특허 : 34

A step-extending device is adapted for use in association with a walker to ascend or descend a stairway. The step-extending device may employ a first base and a second base, each of which is adapted to receive legs of a walker upon respective upper surfaces. The device may be used in connection with a frame that connects the first and second bases to each other. A cross member connects first and second bases. A frame includes one or more upright members with handles adapted for grasping and moving the step-extending device from one stair to another stair...


What is claimed is: 1. A step-extending device configured for assisting persons to walk upon steps of a stairway using a four-point walker, comprising: (a) a first base and a second base, each of said first and second bases defining a flat planar underside configured to rest unattended upon a first step when the device is in use, each of said first and second bases further defining a flat planar upper surface disposed above each respective underside and disposable in use to support one leg of the walker at a height substantially equal to the step dispos...

이 특허에 인용된 특허 (34)

  1. Richard Reginald L. (8834 Carey La. Pleasant Plane OH 45162). Accommodation walker for irregular and inclined surfaces. USP1997075649558.
  2. Irwin Lyle R. (Kennesaw GA) Hand Peter H. (Atlanta GA) Leftwich Edward F. (Decatur GA). Adjustable stepping structure for aerobic exercises. USP1992105158512.
  3. Wood Maurice S. (15318 Chipman Houston TX 77060). Adjustable walker. USP1994095349977.
  4. Adamczyk George R. (Chagrin Falls OH) Smith James F. (Louisville OH) Schnabel ; Jr. Robert R. (Navarre OH) McAndrew M. Diane S. (Canton OH). Combined exercise platform. USP1992105154678.
  5. Meldeau William B. (200 Pacific Coast Hwy. ; #245 Huntington Beach CA 92648). Combined stepping and sliding exercise apparatus. USP1997015593370.
  6. Gamache Lawrence W.. Device to assist person to stand. USP2001066244285.
  7. Rozsa ; Peter. Dual purpose walking frame for handicapped persons. USP1978064094331.
  8. Baliga Arvind B. (405 Valley Forge Ct. Medford NJ 08055). Dual stair step walker with assist bar. USP1996035499645.
  9. Ullman Myron (Canfield OH). Easy storing three position step stool. USP1993015176596.
  10. Wilkinson, William T.. Exercising device for simulating climbing. USP1985124561652.
  11. Cranny Charles J.. Folding walker with multiple configurations. USP1999115979476.
  12. Pasquale A. Corrado. Foot, leg and lower body exercise system. USP2002126494816.
  13. Wilson Ian G. (17/201 Waterloo Road Marsfield ; New South Wales 2122 AUX). Footrest. USP1987074678234.
  14. Wallum Ronald I. (P.O. Box 5282 Fargo ND 58105). Half-step stability cane. USP1994065318057.
  15. Lucarelli Frank J. (1017 Western Trail Keller TX 76248). Invalid walker. USP1983104411283.
  16. Browning U. Grant (Nashville TN). Mobility assist device. USP1995115465744.
  17. Herman Harry H.. Mobility assisting device. USP2000126164305.
  18. Corey Francis Eugene. Movable banister. USP1999095957146.
  19. Pistole James M. (P.O. Box 144 ; US 41 Jasper FL 32052-0144). Multi-purpose work station assembly. USP1997095667207.
  20. Belli Raymond N. (P.O. Box 3489 Truckee CA 95734). Plyometric exercise platform. USP1992065118101.
  21. Urso Charles L.. Portable squat support. USP2000116148448.
  22. Nimz Floyd E. (138-15th Ave. Rockford IL 61108). Stair climbing aid. USP1989074844199.
  23. Li Tianfu ; Blair David Keith. Stair climbing walker. USP2000116145524.
  24. Sandham John M.,GBX ITX RM12 4LD ; Lewis Stanley Trevor,GBX ITX RM13 9Ql. Stair-ladder platform. USP1999105967261.
  25. Li Tianfu. Stairs climbing walker. USP1998085787913.
  26. Kroll William P ; Probst Paul C ; Kroll Karl J F. Stairway step assembly. USP1999075924249.
  27. Tschirhart Regan,CAX ITX N2M 5B5. Step assisting device. USP1999085941262.
  28. Helton Kimberly J. ; Helton ; Jr. George E.. Step for exercising. USP2001036206805.
  29. Schneider, Sr., Paul E.. Therapeutic support means. USP1985094539977.
  30. Tankersley Cecil A. (Rte. 7 ; Box 229 ½Greenwood Rd. So. Charleston WV 25309). Thoracic suspension walker. USP1994015275426.
  31. Piaget Gary D. (3390 American Saddler Dr. Park City UT 84060) Gordon Trace O. (3880 W. Lariat Rd. Park City UT 84060). Treadmill apparatus with dual spring-loaded treads. USP1997055626539.
  32. Hedges Harry S. (1612 Southern Ave. Kalamazoo MI 49001). Walker. USP1989094869279.
  33. Berning Louis G. (285 Canyon Mesa Dr. Sedona AZ 86336). Walker with pivoting wheel. USP1990074941496.
  34. Lorman Shmil (Petah-Tikva ILX). Walkers. USP1997025603517.