Typewriting machines – Sheet or web – For feeding web record-medium
Patent
1986-04-21
1988-10-25
Burr, Edgar S.
Typewriting machines
Sheet or web
For feeding web record-medium
16293, 226 74, 226 86, 226196, 400618, B41J 1130, B41J 1134
Patent
active
047800135
ABSTRACT:
A web feed tractor which comprises a frame, a drive gear rotatably mounted in the frame, a cylindrical shaft fastening member mounted on the frame with a portion thereof protruding from the frame, an endless toothed timing belt trained about the frame and drive gear, a cover plate assembly peripherally surrounding the endless belt in peripherally spaced relationship to the belt to define a track of a web to be fed, a web support or guide member positioned adjacent to the endless belt in side by side relationship, a lock ring rotatably mounted on the protruding portion of the shaft fastening member and a switch mechanism positioned in the track of the web so as to be operated by the web as the web passes through the track.
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IBM Tech. Disc. Bulletin, "Wide Wheel-Based Sprochet with Bidirectional Locking insert for Form-Feed Mechanisms", vol. 28, No. 9, Feb. 1986, pp. 3816-3817.
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Burr Edgar S.
McDaniel James R.
Sakase Kagaku Kogyo Kabushiki Kaisha
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