| 摘要 |
<p>In a typewriter in which different type carriers are exchangeably attachable to a support arbor which is a permanent part of the machine, a manipulative device is carried on said arbor and in one position thereof freely allows the placement of a type carrier on said arbor or its removal therefrom, and by movement of the device to another position, a means thereof moves outwardly beyond said arbor onto the type carrier to secure the latter to the arbor. The type carrier includes a brim projecting from its top portion by which it can be grasped and said means moves onto said brim.</p> |
