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

Claim 3:
4. The wheeled nursing and medical device as claimed in claim 1, wherein said rear wheel assembly has two rear wheels which are mounted on said rear side of said expandable base frame and symmetric to each other in a left-right direction, said linking mechanism including two of said inclined brackets which are respectively mounted on left and right sides of said expandable base frame and symmetric to each other in the left-right direction, said wheeled nursing and medical device further comprising a brake mechanism, said brake mechanism including a control lever which is pivotally connected with said inclined brackets to be turned downwardly, and two brake assemblies which are disposed at left and right ends of said control lever, each of said brake assemblies having a brake piece which abuts against a respective one of said rear wheels, a transmitting rod which is pivotally connected with said control lever and said brake piece to be moved upwardly with downward turning of said control lever to disengage said brake piece from said rear wheel, and a biasing member which is connected between said transmitting rod and said expandable base frame to bias said transmitting rod downwardly.