Title:
【発明の名称】補助輪付車椅子
Document Type and Number:
Japanese Patent JP3101617
Kind Code:
B1
Abstract:
PROBLEM TO BE SOLVED: To make a user negotiate or escape from level differences or hollows by oneself by attaching an auxiliary wheel to a ready-made wheelchair. SOLUTION: In a wheelchair in which a large rear wheel and a smaller castor type front wheel are mounted to a frame having a chair function, a triangular or a Y-form auxiliary wheel mounting member 7 having the center of rotation nearly in the same position as the castor axle of the front wheel in relation to the front and rear of the wheelchair and including vertexes of an equilateral triangle, and using the center of rotation as the center of gravity is fitted rotatably in the forward portion of the frame, and by mounting rotatably auxiliary wheels 8 to 10 having a maximum radius of less than one second of the length of one side of the equilateral triangle in each of the vertexes of the mounting member 7, an auxiliary wheel body Sr is formed, retaining a necessary clearance A between the auxiliary wheels 8 to 10 and a ground surface on a flat ground.
Inventors:
Fumio Nogi
Application Number:
JP25437199A
Publication Date:
October 23, 2000
Filing Date:
September 08, 1999
Export Citation:
Assignee:
Yuji Ogawa
Fumio Nogi
Fumio Nogi
International Classes:
A61G5/02; (IPC1-7): A61G5/02
Domestic Patent References:
| JP1085264A | ||||
| JP8252282A | ||||
| JP62117558A | ||||
| JP7213559A | ||||
| JP62503153A | ||||
| JP61501611A |
Other References:
【文献】米国特許4790548(US,A)
【文献】米国特許4512588(US,A)
【文献】米国特許5423563(US,A)
【文献】米国特許4962942(US,A)
【文献】米国特許4512588(US,A)
【文献】米国特許5423563(US,A)
【文献】米国特許4962942(US,A)
Attorney, Agent or Firm:
Morinosuke Higuchi (1 person outside)