| 摘要 |
A magnetic fastener 2 comprises two magnets 6, 10 which are arranged in use such that opposite poles face one another with cushioning means located between them. The cushioning means may be an air gap 18 created by the use of cushioning material 12 located to act as a stop buffer during the engagement of the fastener members 4, 8. The fastener may be a snap-fit, plug and socket mechanical connection arrangement. The cushioning means could be located on either of the fastener members. The cushioning means may involve resilient rubber material and/or coil or leaf spring arrangements. The cushioning means may be formed in various shapes, such as disc or ring formations, which are arranged to prevent impact damage to the magnets during engagement. The fastener members may include various mounting means such as screws, rivets or nuts and bolts. The fastener may be used in a hanger device for a flag or a sign. |
