Patent ID: 11877969
Assignee: nan
Field: Medical technology (Instruments)
Classification: CPC A | IPC A

Claim 16:
17. The personal assistive device as claimed in claim 13 comprising:
a pair of first guiding ribs;
a pair of second guiding ribs;
the pair of first guiding ribs being positioned opposite to each other about the first support column;
the pair of first guiding ribs being positioned offset from the proximal column end of the first support column;
the pair of first guiding ribs being positioned offset from the distal column end of the first support column;
the pair of first guiding ribs being laterally connected along first support column;
the pair of second guiding ribs being positioned opposite to each other about the second support column;
the pair of second guiding ribs being positioned offset from the proximal column end of the second support column;
the pair of second guiding ribs being positioned offset from the distal column end of the second support column; and
the pair of second guiding ribs being laterally connected along second support column.