发明名称 Typewriter word counter
摘要 A typewriter word counter which has a support, magnetic apparatus that removably positions the support on the typewriter to be used, a push button counter carried by the support, and a lever that has one end pivotally connected to the support, an intermediate portion supported by the push button of the counter and another end portion that is positionable below the space bar of a typewriter such that each time the space bar is depressed, after a word is typed, the lever is moved downward to push the button and actuate the counter to register a word count on a digital readout visible to the typist, and when the space bar is released, the push button returns the lever to its initial rest position where it is again ready to push the button to indicate another word when the space bar is depressed.
申请公布号 US4143808(A) 申请公布日期 1979.03.13
申请号 US19770822526 申请日期 1977.08.08
申请人 KLAVITTER, GEORGE 发明人 KLAVITTER, GEORGE
分类号 B41J29/24;(IPC1-7):B41J29/24 主分类号 B41J29/24
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