Sentence examples for backrest in from inspiring English sources

A third section is devoted to milestones in the movement of office chairs: from the 360-degree tilt of the stem in the 1849 Centripetal Spring Chair, to the sideways tilt of the backrest in the 2009 ON Chair.

In the passenger model, it is represented that the passenger's body contacts a backrest in the wheelchair in order to represent precisely the passenger's posture behavior.

The forces developed on the seat pan and the backrest in directions normal to the supporting surfaces were measured to derive the APMS responses at both the driving-points.

The apparent masses of 12 subjects were measured during exposure to random vertical vibration (1.0 ms−2 rms from 0.125 to 40 Hz) in a seat with a rigid backrest, in the same rigid seat with three thicknesses of foam backrest (50, 100 and 150 mm), and in the same seat with no backrest.

He holds the knob of Paul's backrest, in an echo of Raphael's portrait where Clement VII holds the chair of Leo X as an indicator of his ambitions of succession.

The forward trunk rotation into flexion required to sit down was operated by lowering the seat while keeping the backrest in a rearwardly inclined vertical position.

In the vertical direction on the backrest, and in the lateral direction on the seat and the backrest, the forces were low.

In addition, the feasibility of a 45° backrest position in the 'real life' of today's ICUs is debated [ 11].

At both the seat and the backrest, forces in all directions showed a non-linear behaviour.

The experiments were performed to measure the biodynamic responses to single and uncorrelated dual-axis vibration, and to study the effects of hands support, back support and vibration magnitude on the body interactions with the seatpan and the backrest, characterized in terms of apparent masses and the vibration transmitted to the head.

There will be a knob locking the backrest angle in place on the back of the chair.