| 摘要 |
Two constructions for a glass cutter are disclosed, and each comprises an insert with an axle for rotatably supporting a glass cutting wheel, a holder having a slot for removably receiving the insert. The holder is mounted to a cutting head of the type used for traversing a glass sheet, and the holder slot opens downwardly and forwardly for receiving the insert. In one version the insert has an inclined cam slot for receiving a pin in the holder, which pin extends across the holder slot to wedge the insert in place. In the other version the insert carries the pin, and the holder defines the cam slot for achieving the same end result.
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