LandOfFree - US Patents - Listing for Chairs and seats,Back movement resiliently opposed in operating position

Chairs and seats – Back movement resiliently opposed in operating position – Back and seat adjust simultaneously

Chair and synchrotilt chair mechanism

Chairs and seats – Back movement resiliently opposed in operating position – Back adjusts independent of seat

Chair backrest linkage mechanism

Chairs and seats – Back movement resiliently opposed in operating position – Back secured to resilient upright bar or rod

Chair construction

Chairs and seats – Back movement resiliently opposed in operating position – Back secured to resilient upright bar or rod

Chair construction

Chairs and seats – Back movement resiliently opposed in operating position – Back adjusts independent of seat

Chair construction and method of assembly

Chairs and seats – Back movement resiliently opposed in operating position – Adjustable resistance

Chair control

Chairs and seats – Back movement resiliently opposed in operating position – Back secured to resilient upright bar or rod

Chair control

Chairs and seats – Back movement resiliently opposed in operating position – Back and seat adjust simultaneously

Chair control

Chairs and seats – Back movement resiliently opposed in operating position – Back and seat adjust simultaneously

Chair control

Chairs and seats – Back movement resiliently opposed in operating position – Constantly oriented during up-and-down movement

Chair control

Chairs and seats – Back movement resiliently opposed in operating position – Constantly oriented during up-and-down movement

Chair control

Chairs and seats – Back movement resiliently opposed in operating position – Back adjusts independent of seat

Chair control device for a tiltable chair

Chairs and seats – Back movement resiliently opposed in operating position – Back and seat adjust simultaneously

Chair control for a pedestal chair having a knee-tilt seat

Chairs and seats – Back movement resiliently opposed in operating position – Constantly oriented during up-and-down movement

Chair control for a tiltable stenographer's chair

Chairs and seats – Back movement resiliently opposed in operating position – Back and seat adjust simultaneously

Chair control mechanism

Chairs and seats – Back movement resiliently opposed in operating position – Back adjusts independent of seat

Chair control mechanism

Chairs and seats – Back movement resiliently opposed in operating position – Constantly oriented during up-and-down movement

Chair control mechanism

Chairs and seats – Back movement resiliently opposed in operating position – Back and bottom adjust in a fixed relationship

Chair control mechanism

Chairs and seats – Back movement resiliently opposed in operating position – Back adjusts independent of seat

Chair control with forward tilt