| 摘要 |
PURPOSE:To provide for ready attachment and removal of a mat and prevention of its slippage by surely maintaining the engagement of fittings by means of a permanent magnet. CONSTITUTION:A female fittings (c) consisting of a permanent magnet 1 having a hole 1a is firmly fit to the mat or the floor face via a ferromagnetic sheet 2 which is attracted to one magnetic face of the fittings. Both the female fittings and a male fittings (b) consisting of a ferromagnetic sheet 3 having a ferromagnetic projection 3a are engaged with each other for firm attachment of the mat. Disposing a ferromagnetic projection 2a on the ferromagnetic sheet 2 is allowed for adjustment of the length of the ferromagnetic projection 3a, or the projction 3a of the male fittings (b) may be non-magnetic. |
