Jack for automobile

A screw-type jack for automobile, comprising:

• a base;
• a hollow and integrated housing standing on said base;
• a ram guide in a center portion inside said housing in an axial direction to be extendable/contractible in a vertical direction;
• a ram mounted in said ram guide to be extendable/contractible;
• a screw shaft for extending/contracting said ram guide and said ram in said vertical direction;
• said housing includes a cylindrical shaft portion protruding from a lower portion of a side surface of said housing;
• a drive gear is pivotally and rotatably supported in said cylindrical shaft portion;
• said housing is a plurality of housing pieces which are vertically divided portions of said housing;
• a plurality of leg portions which allow said vertical housing to be separated from said base and
• said plurality of housing pieces are mechanically joined with each other to form one housing.

A screw-type jack for automobile, comprising:

• a base;
• a housing standing on said base;
• a ram mounted in a center portion inside said housing in an axial direction to be extendable/contractible in a vertical direction;
• a drive mechanism mounted in said housing for extending/contracting said ram in said vertical direction;
• said housing includes a cylindrical shaft portion protruding from a lower part of a side surface of said housing;
• said drive mechanism includes a drive gear pivotally and rotatably supported in said cylindrical shaft portion;
• a spacer ring attached between a handle joint of an operation handle and a portion of said shaft portion corresponding to an end portion of an outer surface of said cylindrical shaft portion;
• and
• said handle joint being attached to said shaft portion of said drive gear to swing freely via a pin.