Rotating and/or swiveling seat

An operator's seat for a vehicle comprising:

• an operator support having a seat bottom;
• a base structure operatively configured to allow said operator's seat to rotate relative to a platform floor of said vehicle;
• a locking arrangement for locking said base structure relative to said platform floor and for releasing said base structure for rotation of said operator's seat relative to said platform floor;
• at least one presence sensing device coupled to said operator's seat so as to rotate with said operator's seat, said at least one presence sensing device configured to detect the presence of at least a leg or a foot of an operator irrespective of a rotated position of said operator's seat;
• a swivel structure operatively configured to allow said operator support to swivel relative to said base structure;
• and
• a control module configured to control at least one operation of said vehicle based at least upon a state of said locking arrangement and an output from said at least one presence sensing device.

A seat repositioning system for a vehicle comprising:

• an operator seat having a base structure, a seat bottom and an armrest;
• a seat release system comprising a locking arrangement for locking said base structure of said operator's seat and for unlocking said base structure for repositioning of said operator's seat with respect to a platform floor;
• and
• a control handle on said armrest having a control element thereon, said control element operatively configured to control said locking arrangement for repositioning said operator's seat, wherein said control handle provides at least one other vehicle control function.