| 摘要 |
domestic equipment. SUBSTANCE: cleaning device has flanged handle connected to mop by clamping screw member with washer. Handle is formed as inverted conical sleeve and handle flange has peripheral widened portion. Clamping member screw is secured to handle top part. Washer may be provided with thread for engagement with screw thread and may be further equipped with conical projection. EFFECT: convenient usage and increased efficiency. 2 cl, 2 dwg |
