| 摘要 |
<p>An interchangeable planet gear (4) is connected after the crank drive linkage. Preferred features: The toothed sector (1) following the crank is reciprocated by it. The sector engages a toothed wheel (2), which is followed by the planet gear (4). After the crank, a fine adjuster is provided for web width, in which the stroke of the crank is transmitted to a swinging lever, and the spacing between the engagement point of the crank on the lever, and the pivoting axis of the lever, is adjustable. A reciprocating connecting rod of the crank is connected to the toothed sector, with adjustable spacing from its pivotal axis.</p> |
