| 摘要 |
504,202. Switch handles. TURNER, C. A., and DIAMOND H SWITCHES, Ltd. Oct. 27, 1937, No. 29323. [Class 38 (v)] A handle for rotary step-bystep switches as described in Specification 440,381 has a front face divided by fins 3, radiating from a central boss 4 and terminating in lobes 5 which facilitate gripping, into similar areas sloping rearwardly to the lateral edges 2. These areas, which may be four in number, bear symbols which indicate the switch position by all being hidden from sight except for the appropriate one. |
