Importance

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Abstract

A doctoring apparatus for doctoring a roll surface comprises a doctor blade, a blade holder for applying the doctor blade to the roll surface, and a doctor back having a support surface on which the blade holder is adapted to slide. A locking bar is subdivided into multiple mechanically interlocked segments and is mounted by fasteners on the support surface of the doctor back for movement lengthwise in opposite directions between locked and unlocked positions. The locking bar is configured and dimensioned to fit loosely within a groove on the underside of the blade holder. In its unlocked position, the locking bar permits the blade holder to slide on the doctor back support surface into and out of an operative position adjacent to the roll surface. In its locked position, the locking bar releasably secures the blade holder in its operative position.

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First Claim