| 摘要 |
<p>A device for tightening laces, strings and like elongated and flexible elements having free ends, wherein the device comprises an outer sleeve (1) and an inner spring-biassed lock plunger assembly (2) which can be moved axially in the sleeve. The sleeve and the lock plunger assembly have through-penetrating, mutually corresponding holes at right angles to the longitudinal axis of the sleeve and assembly respectively. The free ends of the element are intended to be inserted through these holes after having moved the lock plunger assembly in the sleeve to a position in which the holes are in register with one another. The sleeve (1) and the lock plunger assembly (2) both have two through-penetrating, end-receiving holes (10, 11 and 20, 21 respectively), the distance between the holes (10, 11) in the sleeve (1) being shorter than the distance between the holes (20, 21) in the lock plunger assembly (2). A spring-force generating spring (23) is mounted between two parts (22, 24) of the lock plunger assembly (2), each of these parts being provided with a respective one of the two holes (20, 21) in the lock plunger assembly.</p> |
