Patent ID: 11866301
Assignee: TK HOME SOLUTIONS B.V.
Field: Handling (Mechanical engineering)
Classification: CPC B | IPC B

Claim 0:
1. A stairlift, comprising:
a rail;
a carrier configured to drive along said rail; and
a chair supported by said carrier, said carrier and said chair together defining a stairlift unit, said chair having:
a base body coupled to said carrier;
a seat body foldably coupled to said base body by a seat joint, and having a first folding system operatively coupled thereto that is configured to fold and unfold said seat body;
a leg body foldably coupled to said seat body by a leg joint, and having a second folding system operatively coupled thereto that is configured to fold and unfold said leg body;
a footrest body foldably coupled to said leg body by a footrest joint, and having a third folding system operatively coupled thereto that is configured to fold and unfold said footrest body;
a backrest body coupled to said base body; and
an armrest body foldably coupled to said backrest body,
wherein each of said first, second, and third folding systems are respectively operated by either a first motor or a second motor that are configured to control said respective folding systems according to a variable speed profile.