| 摘要 |
923,369. Latching switches. U.S. INDUSTRIES Inc. June 27, 1960 [July 2, 1959; Nov. 30, 1959], No. 22444/60. Class 38 (5). [Also in Groups XXX, XXXVI, XXXVIII and XL (c)] A combination of switches 460 in a bank is operated to select a programme for automatic - handling apparatus (Group XXX). A previouslypunched card 462 may be placed over the switches after the programme has been set up in order to lock the switches and prevent the programme being altered. Specification 900,713 is referred to. |
