| 摘要 |
A jar opening apparatus for opening a jar having a screw-on lid which comprises a base having a jar supporting surface, a generally vertically extending guide column connected to the base and a carriage assembly connected to the guide for movement relative to the guide between a first raised position and a second lowered position. The carriage assembly comprises a carriage; a lid engaging member connected to the carriage for engaging the screw-on lid when the carriage is in the second position, and rotating means for imparting rotation to the lid engaging member. The rotating means uniquely comprises a drive screw connected to the carriage and a cooperating driven tube connected to the lid engaging member. A novel operating mechanism is operably associated with the carriage for moving the carriage between the first and second positions.
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