| 摘要 |
918,770. Selective printing. OKI ELECTRIC INDUSTRY CO. Ltd. June 19, 1959 [June 20, 1958], No. 21212/59. Class 100 (4). A hammer mechanism for a high-speed printer, e.g. wherein the type are secured to an endless belt rotating at high speed, comprises a series of hammers 6 reciprocating at letter-space intervals in guide grooves 3, 3<SP>1</SP> and a series of hammer-return coil springs seated in separate grooves 1 and which lie in longitudinal recesses 7 in the hammers. The grooves 1 are formed in an underlying support 2 inserted between side portions 4, 4<SP>1</SP> of a channel-shaped mechanism mounting block. The hammers are retained in the grooves 3, 3<SP>1</SP> by a plate 8. Specification 918,769 is referred to. |
