Patent ID: 7677829

Claim:
In combination, a lift insert and holder, said lift insert comprising: a hollow housing having an end provided with a keyhole-shaped opening for receiving a lift pin; an annular-shaped flange integral with and extending radially outward from said opening; at least two break-away tabs integrally joined to said annular flange, each tab having first and second portions defining an L-shaped cross-section; one end of each of said first portions having one end joined to and extending away from said annular flange in an axial direction and another end of each of said first portions joined to one end of a second portion, each second portion extending in a radially outward direction and substantially parallel to said annular flange; and said first portion being configured to break away from said flange when exposed to a given shearing force; said holder, comprising: a hollow, annular-shaped housing having a partially closed end and an open end; said open end having an integral, outwardly directed positioning flange; said partially closed end having a plurality of curved slots, each slot being positioned to receive one of the break-away tabs; said holder being positioned in a collar arranged at a jacket opening in an outer jacket of a mold assembly with said positioning flange engaging an outer end of said collar; a locking pin assembly on said collar having a locking pin and a bias member normally urging said locking pin radially inwardly so as to enter a locking pin opening in said collar and said alignment opening in said holder to maintain an orientation of said holder and thus said lift insert during a casting operation.