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US Patent: 37,719
Improvement in hoop-driving and barrel-crozing machines
Edward Holmes - Buffalo, NY

USPTO Classifications:
147/1, 147/11, 147/13

Tool Categories:
woodworking machines : specialty machines : barrel making machines
trade specific : cooper

E. & B. Holmes - Buffalo, NY

E. & B. Holmes - Buffalo, NY

E. Osborne
E. B. Forbush

Patent Dates:
Granted: Feb. 17, 1863

Patent Pictures: [ 1 | 2 | 3 ]
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"Vintage Machinery" entry for E. & B. Holmes
Operation: The staves forming the barrel are, in the first place, set up with a truss-hoop on each end in a common manner. The drivers are then expanded by means of the expanding-arms D and disk D'.' One of the drivers is released from the arm through the slot d3, and dropped down so as to make ample room to pass the barrel in and place it upon the annular table, the downward end of the staves passing into the annular table, so that the lower truss-hoop will rest upon the annular-beet table. The bilge truss-hoop is now put on, and the drivers contracted or drawn inwardly, so that the hooks e2 will catch upon the upper edge of the bilge truss hoop. The main shaft is now moved longitudinally in the direction to bring the, wheel W in contact with the friction-wheel X, and thereby revolve the screw E in the direction to run the head-piece c (and thereby the drivers) downwardly a distance to bring the required strain upon the truss-hoop. The drivers are then released of their hold by a movement of the disk and expanding-arms. Then the quarter-hoop is put on and driven in the same manner. The driving of these two (or more) hoops has also pressed the barrel into the under-head hoop, so that the barrel is now ready to croze on one end. The ring E, by reason of the ends of the staves resting thereon, will hold them perpendicular, and prevent them, or either of them, from slipping out of place while the power is applied. Any amount of power which the staves or the truss-hoops are able to bear may in this manner be applied. The truss-hoops being thus driven, and the staves pressed as tightly together as required, the wedge L is withdrawn sufficiently to allow the ring K to drop away from the staves and make room for the free working of the chamfering, crozing, and howeling tools. This being done, the tool-head M, which carries the chamfering, crozing, and howeling tools, is put into motion and revolved with great rapidity, and the operator, by means of the arrangement of the pinion B, incline shaft S', wheel nut E, vertical shaft Q, cross-head P, and hinged arias O, can bring the said tools gradually to their work with such depth of cut as the work will bear. The chamfering, howeling, and crozing is done in one operation in a most perfect and satisfactory manner. The barrel is then turned end for end and the same process repeated.

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