Headrest device
First Claim
1. A headrest device including an inverted U-shaped stay having opposing leg member portions adapted to be held by a seat back frame of a vehicle and a connecting portion which connects the leg member portions, and a headrest frame body which is supported on the stay such that the headrest frame body is rotatable in the back and forth directions about the connecting portion of the stay,wherein the headrest frame body is comprised of a pair of opposing plate bodies, which each comprises a support portion of an approximately semicircular cross section which has a portion coming into contact with the connecting portion of the stay and restricting portions which cover the leg member portions of the stay and restrict the rotation of the headrest frame body about the connecting portion of the stay, both plate bodies having a relationship where both plates have support portions and restricting portions thereof opposed to each other and fixedly secured to each other.
1 Assignment
0 Petitions
Accused Products
Abstract
A headrest device ensures the movement of a headrest frame body to a stay and enables a foaming resin molding of a headrest. A support portion having a semicircular cross section and restricting portions having an approximately U-shape cross section are formed on a plate body. Two sheets of plate bodies are connected with each other in an opposed manner. Then, a headrest pad made of foaming resin is integrally formed with the plate bodies.
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Citations
9 Claims
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1. A headrest device including an inverted U-shaped stay having opposing leg member portions adapted to be held by a seat back frame of a vehicle and a connecting portion which connects the leg member portions, and a headrest frame body which is supported on the stay such that the headrest frame body is rotatable in the back and forth directions about the connecting portion of the stay,
wherein the headrest frame body is comprised of a pair of opposing plate bodies, which each comprises a support portion of an approximately semicircular cross section which has a portion coming into contact with the connecting portion of the stay and restricting portions which cover the leg member portions of the stay and restrict the rotation of the headrest frame body about the connecting portion of the stay, both plate bodies having a relationship where both plates have support portions and restricting portions thereof opposed to each other and fixedly secured to each other.
- 7. A headrest device including an inverted U-shaped stay adapted to be held by a top portion of a seat back, a headrest frame body having an upper end portion thereof rotatably supported in the back and forth directions on a connecting portion which connects upper end portions of left and right leg portions of the stay, and a headrest pad which surrounds the headrest frame body and forms a head rest body together with the headrest frame body, wherein the headrest body is rotatable in the back and forth direction about the connecting portion of the stay which works as the center of rotation, the headrest frame body being constituted by making a pair of front and rear frame portions which are integrally connected at upper end portions thereof oppose and join each other, fitting grooves having an approximately semicircular cross section and into which an upper portion of the stay is fitted being provided between both frame portions, a pair of left and right side restricting portions which are extended downwardly from respective left and right ends of the fitting grooves and into which respective left and right leg portions of the stay are fitted and through which respective left and right leg portions pass downwardly, the fitting grooves being formed into a shape which applies a given rotational friction force to the connecting portion of the stay being in a state that the stay is accommodated in the fitting grooves, and each side restricting portion being formed into a shape which allows the rotation of a given amount of the headrest frame body in the back and forth direction about the connecting portion of the stay.
Specification