B - Operations – Transporting – 41 – J
Patent
B - Operations, Transporting
41
J
197/21, 197/64
B41J 7/92 (2006.01) B41J 23/06 (2006.01) B41J 29/38 (2006.01)
Patent
CA 1037403
ABSTRACT OF TEE DISCLOSURE A drive system for an electric typewriter has a power roll driven by an electric motor through a drive belt and a pulley rotatably mounted and resiliently connected to the power roll. The driving energy transmitted to the type action of the machine is controlled by an energy-absorbing spring and bushing adjustably connected to the power roll pulley and controlled through appro- priate linkage by the machine operator to vary the energy absorbed by the resilient connection between the power roll and the pulley. A self adjusting idler pulley is also provided to set the proper tension on the drive belt of the drive system.
235890
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