Reciprocating

(p. pr. & vb. n.) of Reciprocate

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• The preceding saws were of the straight, reciprocating kind. Edward W. Byrn. 十九世纪发明进展.
• In 1822 the important improvement of the reciprocating knife bar was made by Ogle, which became a characteristic feature of all subsequent successful reapers. Edward W. Byrn. 十九世纪发明进展.
• They are divided into classes by names indicating their purpose and mode of operation, such as single, double-acting, lift or force, reciprocating or rotary, etc. 威廉·亨利·杜利特. 世纪发明.
• It embodied a reciprocating saw tooth cutter _f_ sliding within double guard fingers _e_. Edward W. Byrn. 十九世纪发明进展.
• This idea became known as the reciprocating blade. 鲁伯特·萨金特·荷兰. 历史性发明.
• It was a great step from the reciprocating hand saw, worked painfully by one or two men, to the band saw, invented by a London mechanic, William Newbury, in 1808. 威廉·亨利·杜利特. 世纪发明.
• More important, however, is the compressed air rock drill, in which a piston has the drill bit directly on its piston rod and cuts by a reciprocating action. Edward W. Byrn. 十九世纪发明进展.
• Wilson invented the rotary hook carrying a bobbin, which took the place of the reciprocating shuttle. Edward W. Byrn. 十九世纪发明进展.
• These were the flat cloth plate, vertical post, overhung arm, vertically reciprocating needle, and continuous thread. 威廉·亨利·杜利特. 世纪发明.
• Among the earlier knitting machines, the straight reciprocating type was most in evidence, and of which the Lamb machine was a popular form. Edward W. Byrn. 十九世纪发明进展.
• It had open guard fingers, a knife made of triangular sections, reciprocating in the guard, and a cutter-bar on a hinged frame. 威廉·亨利·杜利特. 世纪发明.
• These three ideas, the divider, the reciprocating blade, and the fingers, were all fundamental devices of the machine Cyrus McCormick was building. 鲁伯特·萨金特·荷兰. 历史性发明.
• Certainly not,' replied the Jew, reciprocating the grin with which Charley put the question. 查尔斯·狄更斯. 雾都孤儿.
• He converted the reciprocating motion of the piston into a rotary motion by the adoption of the crank, and introduced the well-known parallel motion, and many other improvements. 威廉·亨利·杜利特. 世纪发明.
• Edison elaborated this principle in two other forms--one pneumatic and one electric--the latter being in essence a reciprocating motor. 弗兰克·刘易斯·戴尔. 爱迪生的生平和发明.
• The rovings extended from these bobbins to a reciprocating clasp held in the left hand of the workman, and thence extended to the spindles at the end of the frame. Edward W. Byrn. 十九世纪发明进展.
• In 1822, Ogle, also of England, was the first to invent the _reciprocating_ knife-bar. 威廉·亨利·杜利特. 世纪发明.

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