| 摘要 |
<p>This invention provides a simple and easy way of taking out or replacing a nylon cord when using said cord as a cutter for mowing weeds and lawns. A reel (5) provided with a cylindrical body (6) having a through hole (12) bored perpendiculary to the rotation axis and spaced away from the inner diameter part is fitted on the bearing (4) of the case proper (1); a guiding body (14) provided with pawls (13) and a pin pressor (16) provided with pin pushers (15) are disposed in the cylindrical body (6); the end (15b) of the pin pusher (15) corresponding to a recess part (13b) is disposed slantly at an appropriate sharp angle with respect to the upper surface of the support flange (11); the main shaft (20) is inserted into the bearing (4) having a stopper pin (22) engaging with the guiding body (14); and a coiled spring (25) is disposed between the main shaft (20) and the cap (23) so as to push the main shaft (20) so that the stopper pin (22) can be guided and engaged freely.</p> |
