IP Library › Granted Patent US 12673600
Granted Patent B2
US 12673600 · App. 18/483,431 · Granted Jul 7, 2026

Hand rest device and vehicle occupant support device

Inventors: Chikanori Honda (Yokohama, JP); Kousuke Suzuki (Yokohama, JP)
Assignee: NHK SPRING CO., LTD.
B60N3/004B60N2/75
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Quick Facts
Patent No.
US 12673600
App. No.
18/483,431
Granted
Jul 7, 2026
Kind
B2
Abstract

A hand rest device, including: a hand rest that is disposed at a front side of a seat of a vehicle, the hand rest being disposed at a usage position for supporting a hand of a vehicle occupant seated at the seat and an adjustment mechanism that adjusts a height of the usage position of the hand rest.

Claims (17)

1 . A hand rest device, comprising:

a hand rest that is disposed at a front side of a seat of a vehicle, the hand rest being disposed at a usage position for supporting a hand of a vehicle occupant having a physique corresponding to JM50 seated at the seat, the hand rest being attached to the front seat via a pair of attachment bodies attached to stays of a headrest of the front seat, the hand rest being turnably supported by a turning shaft provided at a rear portion of the attachment bodies; and

an adjustment mechanism provided between the attachment bodies and the turning shaft, and configured to adjust a height of the usage position of the hand rest to a height in a height range from greater than or equal to 320 mm to less than or equal to 500 mm from a hip point of the vehicle occupant,

wherein the adjustment mechanism comprises:

a casing fixed to the turning shaft;

a central shaft provided inside the casing;

a gearwheel fixed to the central shaft;

a restraining protrusion integrally provided on the casing; and

a restraining slot formed at an outer peripheral portion of the gearwheel,

wherein a turning direction of the casing and the turning shaft is restrained by the restraining protrusion abutting on one end surface or another end surface of the restraining slot.

2 . The hand rest device according to claim 1 , wherein the height range is from a lower end of a sternum to an upper end of a shoulder of the vehicle occupant.

3 . A vehicle occupant support device, comprising:

the hand rest device according to claim 2 ; and

an arm rest disposed at a left side or a right side of the seat, a protrusion portion being provided at the arm rest, and the protrusion portion protruding to a left-right direction inner side of the seat to support an arm of the vehicle occupant.

4 . A vehicle occupant support device, comprising:

the hand rest device according to claim 1 ; and

an arm rest disposed at a left side or a right side of the seat, a protrusion portion being provided at the arm rest, and the protrusion portion protruding to a left-right direction inner side of the seat to support an arm of the vehicle occupant.