Bladder for slotter head assembly having pneumatically locked sl

Details Bladder for slotter head assembly having pneumatically locked sl Bladder for slotter head assembly having pneumatically locked sl

1993-12-13

1995-03-07

Jones, Eugenia

Cutting

Cutting motion of tool has component in direction of moving...

Orbital motion of cutting blade

83676, 8369851, B26D 726

Patent

active

053947797

ABSTRACT:
Improved bladders (174-178) having a cross-sectional U-shape are provided for a rotatable slotter head assembly (120) of the type used in the slotting of box blanks is provided which includes mechanism (128) permitting rapid and easy alteration of the circumferential position of the cutting knives (126) carried by the assembly (120). Preferably, the assembly (120) includes a rotatable body (124) provided with an elongated, peripheral, knife-receiving slot (168) defined by fixed backing plates (158 ) and laterally shiftable locking plates (188). The selectively inflatable resilient bladders (174-178) are carried by the head assembly (120) and, when inflated, shift the associated movable locking plates (188) against the cutting knives (126), thereby firmly locking the latter in place. When knife adjustment is desired, one or more of the appropriate bladders (174-178) are deflated, the knives (126) are shifted as desired, and the bladders (174-178) are reinflated.

REFERENCES:
patent: 3008366 (1961-11-01), Taylor Jr.
patent: 3073198 (1963-01-01), Clem
patent: 3985066 (1976-10-01), Kern
patent: 4162643 (1979-07-01), Coburn
patent: 5107737 (1992-04-01), Tagliaferri
patent: 5174184 (1992-12-01), Meeks
patent: 5282409 (1994-02-01), Rojas

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