Patent ID: 6935207

Claim:
A jar lid opener for loosening a threaded jar lid on a jar comprising: a housing; a jar lid retainer rotatably attached to the housing for contacting the lid and for applying a twisting impact force to the lid in order to loosen the lid on the jar, the jar lid retainer including a truncated conical grip head for accommodating lids of various sizes, and a plurality of hardened blades axially and radially extending on an inner surface of the truncated conical grip head; a motor installed in the housing for generating a torque; a rotary hammer assembly defining a rotating axis thereof installed in the housing and co-axially coupled with the motor and the jar lid retainer for converting the torque output from the motor into the twisting impact force applied by the jar lid retainer to the lid; and a plurality of rotary axial bearing elements disposed between the bottom end of the housing and a head plate of the jar lid retainer.