| 摘要 |
An operable chair includes a seat which is pivotally connected to a support arm, the support arm being operably mounted on an upright frame for selective vertical movement along the frame. The seat is mounted for selective and adjustable tilting so that an operator may lean forward from the chair at a desired angle. A footrest is operably mounted to the upright support for selective vertical movement there along, independent of the seat. The footrest includes a foot platform which is selectively pivotable as well. A body restraining harness is provided for an operator seated in the seat, and includes an adjustable length cable connected to a bracket operably mounted on the upright support, to adjustably restrain the upper torso of a person seated in the seat, with the upper torso leaning forwardly over a desired work site.
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