In further embodiments , one or more of the spacer pins 2824 , locating pins 2813 and T - latch 2818 may beheated continuously , periodically , or before or after insertionin a freezer , in order to remove frost and prevent a buildup of ice or frost . The components may be heated electronically , by convection , or other suitable means . Alternatively , a heatsource may be applied to the environment within a sleeve( e . g . , insulating sleeve 160 ) , thereby heating the grippingassembly 2800 when located within the sleeve