公开(公告)号：US3572693A

公开(公告)日：1971-03-30

申请号：US3572693D

申请日：1968-12-23

Applicant: IBM

Inventor： LARSON CURTIS A ,  WANEK DONALD J

IPC: G06K13/077 ,  G06K13/063 ,  B65H9/06

CPC classification number: G06K13/063

Abstract: A document card positioning mechanism for accurately locating a moving document card at a predetermined station in its path of movement including a card stop movable into engagement with a stationary plate defining one boundary of the path of card movement with the stop having a slanted surface on which the leading edge of the card abuts, and a pivoted wedge element movable out of the path of card movement by the card as it passes along said path toward said stop and movable back into the path of card travel so as to wedge against the trailing edge of the card and hold it forcefully in engagement with the slanted stop surface.

公开(公告)号：US3481597A

公开(公告)日：1969-12-02

申请号：US3481597D

申请日：1967-10-03

Applicant: IBM

Inventor： WANEK DONALD J

IPC: G06K13/10 ,  B65H3/06

CPC classification number: G06K13/10