| 摘要 |
<p>A wiper blade (10), e.g. for a windscreen of a motor vehicle, comprises an elongate flexible spine (13) from which projects a blade (11) for wiping a surface. The spine has pairs of opposed abutment faces (76) spaced apart along at least a part of the length of the spine and which move toward and away from each other with flexing of the spine. Resilient biasing means (30,65,67) are interposed between the opposed abutment faces so that, in use, when the wiper blade engages a surface which causes the wiper blade to be deformed from its natural configuration, the resulting deformation of the resilient biasing means assists in holding the wiper blade against the surface. The invention also concerns a spring element (80) and articles, e.g. a door closure, including the spring element which comprises an elongate flexible member (81). Pairs of opposed abutment faces (84) are spaced apart along at least a part of the length of the member and which move toward and away from each other with flexing of the member. Resilient biasing means (85) are also interposed between said opposed abutment faces so that, in use, when the spring element is deformed from its natural configuration, the resulting deformation of the resilient biasing means assists in urging the spring element to return toward its natural configuration.</p> |
