| 摘要 |
1,067,318. Latch fastenings. MALLORY BATTERIES Ltd. March 5, 1965 [March 5, 1964], No. 9559/65. Heading E2A. [Also in Division H2] A time switch (see Division H2) comprises a row of push buttons (21) interlocked in known manner by means of a latch bar (32, Fig. 5, not shown) such that depression of any button (21) releases a previously depressed button (21). But two central buttons (21a) are mutually interlocked only by a secondary bar (45) urged by a spring (48) to abut a part (47) of the main latch bar (32) such that depression of a central button (21a) does not release a depressed button (21), but depression of a button (21) moves bar (32) and hence also bar (45) to release any previously depressed button (21) or (21a). |
