Rolling-gate anti-drop device of electric remote-controlled door-rolling machine

Rolling-gate anti-drop device of electric remote-controlled door-rolling machine

  • CN 2,339,738 Y
  • Filed: 09/19/1998
  • Issued: 09/22/1999
  • Est. Priority Date: 09/19/1998
  • Status: Active Grant
First Claim
Patent Images

1. , a kind of electric remote control door-rolling machine rolling-gate anti-drop device, it is characterized in that this device is made up of V-type scotch (4), roller (5) and retainer spring (6), wherein the angle of V-type scotch (4) is the obtuse angle, this V-type scotch (4) is other by the hinge wheel (1) that alignment pin (9) is fixed on electric remote control door-rolling machine transmission mechanism, and makes device the base plate (8) of V-type scotch of roller (5) be arranged near chain (3) by retainer spring (6).

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