Slotter head assembly having pneumatically locked slotter blades

Details Slotter head assembly having pneumatically locked slotter blades Slotter head assembly having pneumatically locked slotter blades

1992-05-18

1992-12-29

Yost, Frank T.

Cutting

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

Orbital motion of cutting blade

83676, 83699, B26D 726

Patent

active

051741849

ABSTRACT:
A rotatable slotter head assembly (20) of the type used in the slotting of box blanks is provided which includes mechanism (28) permitting rapid and easy alteration of the circumferential position of the cutting knives, (26) carried by the assembly (20). Preferably, the assembly (20) includes a rotatable body (24) provided with an elongated, peripheral, knife-receiving slot (68) defined by fixed backing plates (58) and laterally shiftable locking plates (86-96). A plurality of selectively inflatable resilient bladders (74-78) are carried by the head assembly (20) and, when inflated, shift the associated movable locking plates (86-96) against the cutting knives (26), thereby firmly locking the latter in place. When knives adjustment is desired, one or more of the appropriate bladders (74-78) are deflated, the knives (26) are shifted as desired, and the bladders (74-78) are reinflated.

REFERENCES:
patent: 3073198 (1963-01-01), Clem
patent: 3772953 (1973-11-01), Sullivan
patent: 3951024 (1976-04-01), Weiskopf
patent: 3985066 (1976-10-01), Kern
patent: 4471679 (1984-09-01), Spengler
patent: 4502357 (1985-03-01), Hussissian
patent: 5107737 (1992-04-01), Tagliaferri

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