| 摘要 |
An ending apparatus for a log ladder (2), wherein the log ladder (2) sorts, feeds and sequentially indexes logs (54) along a longitudinal array of laterally extending adjacent log cradles (4, 8, 12), having, in the log cradles (4, 8, 12), exclusive of a downstream-most log cradle (12) in the longitudinal array, log translating means (64) for laterally translating the logs (54), when the logs (54) are in the log cradles (4, 8) exclusive of the downstream-most log cradle (12), so as to abut one end of the logs (54) against an edge (72) of the log ladder (2), wherein the log translating means (64) has selectively actuable rollers (64) mounted within a lower vertice of the log cradles (4, 8), wherein the selectively actuable rollers (64) are mounted in lateral array and the rollers (64) are generally hourglass-shaped so that in longitudinal cross section the rollers (64) have a longitudinal profile generally matching the longitudinal profile of a longitudinal cross section of the log cradles (4, 8), and wherein the log translating means (6, 10) further has first sensing means cooperating with the selectively actuable rollers (64) for sensing the presence of the logs (54) in the log cradles (4, 8) and triggering selective rotation of the selectively actuable rollers (64) whereby said logs (54) are ended against the edge (72) of the log ladders (2), and wherein the log ladder further has second sensing means (62), cooperating with lifting and culling means (6, 10, 14) corresponding to the log cradles (4, 8, 12), for delayed triggering of the lifting and culling means when the logs (54) are held in the log cradles so as to increase dwell time of the logs on the log translating means (64). |
