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Publication of BE630779ApublicationCriticalpatent/BE630779A/xx
H01H5/00—Snap-action arrangements, i.e. in which during a single opening operation or a single closing operation energy is first stored and then released to produce or assist the contact movement
H01H5/04—Energy stored by deformation of elastic members
H01H5/06—Energy stored by deformation of elastic members by compression or extension of coil springs