Curtain-rolling device for screen door and screen window

Curtain-rolling device for screen door and screen window

  • CN 2,204,328 Y
  • Filed: 06/27/1994
  • Issued: 08/02/1995
  • Est. Priority Date: 06/27/1994
  • Status: Active Grant
First Claim
Patent Images

1. , a kind of roller blind device of screen window and screen door, comprise spool (6), rotary shaft rack (5), rotating shaft (4), spring (7), it is characterized in that:

  • described spool (4) one ends are provided with a ratchet (2), and this ratchet (2) matches with ratchet (1) on the rotary shaft rack (5);

    Handle position at ratchet (1) has a bayonet socket (8) that matches with one side of case (9);

    Ratchet (1) one end and rotary shaft rack (5) link joint, middle by extension spring (3) and rotary shaft rack (5) connection.

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