US 11,439,566 B2Granted

Walking assist device

AssigneeJtekt Corporation

InventorsManabu Kanaya, Yoshiyuki Shibata, Shinji Takeuchi

Life of this patent

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Abstract

A walking assist device has a frame, fixed handles, rails provided with movable handles, front wheels, rear wheels and that serve as drive wheels, drive units, a battery, and a drive control unit, and travels forward or rearward together with a user that walks while grasping the fixed handles or the movable handles. The walking assist device has an operation mode switching unit that switches between a training mode, in which a load is applied to operation of the body of the user performed as the user walks, and an assist mode in which a load on operation of the body of the user performed as the user walks is alleviated.

Claims15

Dependent claims

A walking assist device comprising:

a frame;
an arm portion provided on the frame and having a grasp portion that is graspable by a user;
a plurality of wheels provided at a lower end of the frame and including at least one drive wheel;
a drive unit that drives the drive wheel to cause the walking assist device to travel forward or rearward;
a battery that serves as a power source for the drive unit;
a drive control unit that controls the drive unit;
and
an operation mode switching unit, wherein:
the walking assist device travels forward or rearward together with the user who walks while grasping the grasp portion;
and
the operation mode switching unit switches between a training mode, in which a load is applied to operation of a body of the user performed as the user walks, and an assist mode, in which a load on operation of the body of the user performed as the user walks is alleviated.

8 more elements

Dependencies are inferred from the claim text.

Facts

Application: 16/285,298Filed 26 Feb 2019
Priority: JP JP2018-03329227 Feb 2018
Published: US 2019/0262216 A129 Aug 2019
Granted: 13 Sep 2022
Term ends: Not estimatedThe source records don’t support an estimate.

Classification51 codes

A61H 3/04
Appliances for aiding patients or disabled persons to walk about: wheeled walking aids for patients or disabled persons
A61H 1/0277
For the upper limbs: elbow
A61H 1/0281
For the upper limbs: shoulder
A63B 21/4045
Characterised by the movements of the interface: reciprocating movement along, in or on a guide

Family

US 2019/0262216 A1Pre-grant publication · published 29 Aug 2019
US 11,439,566 B2This patent

From the US filing history. Foreign family members aren’t listed.

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