Patent ID: 7886560

Claim:
A cooling unit for reducing a temperature of a heat shrink tool holder, the tool holder having a central aperture extending axially therein, an outer portion of the tool holder having a support member for supporting the tool holder on a cooling plate while enabling a reduced diameter portion of the tool holder to project into a tool holder sleeve, the cooling unit comprising: a housing having a cooling chamber; a water tank disposed within the cooling chamber for receiving a plurality of the tool holder sleeves; a cooling plate disposed within the cooling chamber, the cooling plate having a plurality of apertures, each one of the apertures being configured to receive the tool holder sleeve, the tool holder sleeve being configured to receive the tool holder, the tool holder sleeve having an inner diameter less than a diameter of the tool holder support member, the tool holder sleeve having an inner diameter greater than a diameter of the reduced portion of the tool holder; and a chiller disposed within the housing adjacent the water tank, the chiller being in fluid communication with the water tank.