| 摘要 |
<p>The swabbing and wringing device is in accordance with a first version of the invention and particularly concern a holder assembly (7a). Involved is a fixture assembly (70) fixed to an outermost outer end of a holder bar of a swabbing and wringing device, with a chamber (71) composed of a left-hand (73) and right-hand wall (75) in which introductory holes (77) are drilled. An introduction assembly is fitted between the introductory holes and is fitted with two cross-shaped introductory heads (81) separated by a spring (82) and a release assembly (9), U-shaped in form and provided with two end sections with sloping end surfaces (96) which enter wedge-shaped between the left-hand and right-hand walls and the introduction heads when the release assembly is pressed whereby a spring (95) exerts a counter force, so that a cleaning head of the swabbing and wringing device is simply replaced.</p> |
