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Dispenser for flexible sheet material

  • US 4,206,858 A
  • Filed: 05/22/1978
  • Issued: 06/10/1980
  • Est. Priority Date: 04/29/1977
  • Status: Expired due to Term
First Claim
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1. A dispenser for flexible sheet material including:

  • (a) a chassis;

    (b) means operatively connected to said chassis for supporting rotatably a roll of flexible sheet material;

    (c) means operatively connected to said chassis for guiding a web of flexible sheet material from the roll to a position to be grasped by a user so that the user may pull the web out of the dispenser;

    (d) a rotatable perforating mechanism operatively connected to said chassis for perforating said web at intervals therealong to divide said web into individual sheets; and

    (e) an apparatus for stopping abruptly the rotation of said perforating mechanism after said flexible sheet material has been perforated thereby and for freeing said perforating mechanism for rotation a predetermined time thereafter, said apparatus comprising;

    (i) cam means operatively connected to said perforating mechanism and rotatable in a forward direction when said perforating mechanism rotates during dispensing of said flexible sheet material;

    (ii) pawl means engageable with said cam means when said cam means is rotating to stop abruptly the forward rotation of said cam means and said perforating mechanism after said perforating mechanism has perforated said sheet material; and

    (iii) release means associated with said cam means and said pawl means for rotating said cam means in the reverse direction to release said pawl means a predetermined interval after said pawl means engages said cam means to thereby free said perforating mechanism for rotation in the forward direction.

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