Chairs and seats – Armrest – Adjustable to multiple use positions relative to bottom or back
Patent
1996-03-07
1997-01-07
Nelson, Jr., Milton
Chairs and seats
Armrest
Adjustable to multiple use positions relative to bottom or back
29741137, 29741135, A47C 754
Patent
active
055909345
ABSTRACT:
An adjustable chair-armrest assembly includes an chair-armrest assembly includes an elongated positioning plate attached to a chair seat, an elongated coupling seat mounted pivotally on the positioning plate and rotatable about a vertical axis, and an elongated tilting seat mounted pivotally on the coupling seat and rotatable about a horizontal axis. An armrest member is mounted movably on the tilting seat and can be moved along the length of the tilting seat. An inclination adjusting device includes a slot element which is secured to the rear end portion of the coupling seat and which has several horizontal slots extending in a direction transverse to the coupling seat, and an engagement having an upper end portion pivoted to the rear end portion of the coupling seat, and a lower end with a projection projecting therefrom into a selected one of the slots of the slot element. A spring biases the projection to engage the selected one of the slots. A pusher member abuts on the engagement member so as to push the projection of the engagement member to engage the selected one of the slots and can be operated to remove from the engagement member so as to permit the front end of the armrest member to be turned upward and downward.
REFERENCES:
patent: 3140119 (1964-07-01), Offner
patent: 4807935 (1989-02-01), King
patent: 4822103 (1989-04-01), Stenvall
patent: 4961610 (1990-10-01), Reeder et al.
patent: 5415459 (1995-05-01), Schultz
patent: 5439268 (1995-08-01), Dozsa-Farkas
patent: 5484187 (1996-01-01), Doerner et al.
Jr. Milton Nelson
Shin Yeh Enterprise Co., Ltd.
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