| 摘要 |
A closing semiautomatic machine for closing glass containers at home canning has a handle with a central screw, on which a lead nut is mounted and a hold-down disk is rigidly mounted, a base having a cam cooperating with a lead nut with possibility of rotational and radial movement and a closing roller mounted thereon. The machine further comprises a driving arm, whose base comprises grooves. Between the base and the handle a driven gear is located, engaging the driving gear mounted on appropriate supports in the handle and coupled with a driving handle. The driven gear has protrusions arranged in appropriate grooves of the base. |
