Patents Assigned to Martin Automatic, Inc.
  • Core chuck
    Patent number: 4531683
    Abstract: Apparatus for releasably securing or chucking a workpiece such as a roll of web material includes a rotable member having a slot defined therein, with a ridig member or chuck blade pivotally mounted in the slot. Rotation of the workpiece in relation to the rotatable member pivots the rigid member and extends it so that the workpiece is wedged across the spindle and the rigid member. The rotatable member is offset from a rotatable spindle to compensate for misalignment caused by the wedging.
    Type: Grant
    Filed: November 1, 1983
    Date of Patent: July 30, 1985
    Assignee: Martin Automatic, Inc.
    Inventor: John R. Martin
  • Splicer
    Patent number: 4519858
    Abstract: The invention includes a new web splicer and new method of web splicing, in many aspects. In a principal aspect, the invention is a new automatic web splicer adapted to splice a new web to the tail of a running web while maintaining web speed and tension of equipment into which the webs are running. The web splicer comprises a frame, an anvil and hammer mechanism, a pair of web guides, a pair of web brake rollers, a pair of brake mechanisms, sensing means, web tensioning means and control means.
    Type: Grant
    Filed: March 7, 1984
    Date of Patent: May 28, 1985
    Assignee: Martin Automatic, Inc.
    Inventor: John R. Martin
  • Core chuck
    Patent number: 4143829
    Abstract: Apparatus for releasably securing or chucking a workpiece such as a roll of web material includes a rotatable member having a slot defined therein, with a rigid member or chuck blade pivotally mounted in the slot. Rotation of the workpiece in relation to the spindle pivots the rigid member and extends it so that the workpiece is wedged across the spindle and the rigid member.
    Type: Grant
    Filed: February 27, 1978
    Date of Patent: March 13, 1979
    Assignee: Martin Automatic, Inc.
    Inventor: John R. Martin
  • Apparatus for adjusting the lateral position of a rolled web
    Patent number: 4141517
    Abstract: Apparatus for adjusting the lateral position of a rolled web includes a spindle on which the rolled web is mounted for rotation. Extensible through openings in the spindle are chuck members for chucking and supporting the rolled web. The chuck members are supported on a laterally shiftable shaft and the lateral position of the rolled web is adjusted by shifting the shaft.
    Type: Grant
    Filed: March 22, 1978
    Date of Patent: February 27, 1979
    Assignee: Martin Automatic, Inc.
    Inventor: Behzat Olcer