(under subclass 57) Subject matter which includes a means to release the rotatable lamp or the rotatable portion of the lamp support from the control of the bar and the motion transmission means.
(1) Note. The means to release may be between a tie rod and the motion transmission means, part of the transmission means, between the rotatable lamp or the rotatable portion of the lamp support and the motion transmission means or part of the rotatable lamp or rotatable part of the lamp support.
