Patent ID: 11890244
Assignee: nan
Field: Medical technology (Instruments)
Classification: CPC A | IPC A

Claim 5:
6. The wheeled nursing and medical device as claimed in claim 1, wherein said front wheel assembly has two front wheels which are mounted on said front side of said expandable base frame and symmetric to each other in a left-right direction, said rear wheel assembly having two rear wheels which are mounted on said rear side of said expandable base frame and symmetric to each other in the left-right direction, said expandable base frame including a fixed frame body on which said front wheels are mounted, an expandable frame body which is connected with and movable relative to said fixed frame body in the lengthwise front-rear direction and on which said rear wheels are mounted, a plurality of erecting posts which are securely connected between said fixed frame body and said main bed plate, two front protective frame bodies which are mounted on a front side of said fixed frame body and respectively surround said front wheels, and two rear protective frame bodies which are mounted on a rear side of said expandable frame body and respectively surround said rear wheels.