| 摘要 |
In finger jointing machines work pieces of random lengths are pushed through the machine past end slotting saws, the strips being desirably disposed precisely at right angles to the direction in which they are advanced. It is not unusual for the work pushing members to get out of adjustment. In accordance with the present invention a testing device is provided for testing the transverse alignment of pusher members and guiding the machine operator in making corrective adjustments.
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