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Variable-capacity buffer store for rod-shaped articles

  • US 6,422,380 B1
  • Filed: 10/31/2000
  • Issued: 07/23/2002
  • Est. Priority Date: 03/02/1998
  • Status: Expired due to Term
First Claim
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1. A variable-capacity buffer store for rod-shaped articles working in the system, first in, first out, comprising an input station (16) connectable to a production machine and an output station (17) connectable to a receiving machine, and both the input station (16) and the output station (17) cooperate with a continuous endless conveyor (8), carrying rod-shaped articles from the input station (16) to the output station (17), a first part of the conveyor is situated in a transport sector (11) and a second part of the conveyor is situated in a return sector (9), and the length of the conveyor (8) in both of the sectors (9, 11) compensate for each other, characterised in that, at the inlet of the transport sector (11) is situated a first drive means (21) of the conveyor (8) which is controlled by and connected to a fullness sensor (22) assembled in the input station (16) via a control unit, and at the exit of the transport sector (11) is situated a second drive means (23) of the conveyor (8) which is controlled by and connected to a fullness sensor (24) assembled in the output station (17) via a control unit, wherein the transport sector (11) consists of two, active and passive, identical support guide means (10, 15) of the conveyor (8) that consist of independent disc modules (6) rotary assembled on axes (5, 14), and the return sector (9) consists of two, active and passive, identical support guide means (7, 13) of the conveyor (8) that consist of independent disc modules (6) rotary assembled on axes (4, 12), the axis (5) of the active support guide means (10) in the transport sector (11) is fixed to the axis (4) of the active support guide means (7) in the return sector (9) by a movable carriage (3) assembled on a horizontal guide bar (2) on a frame (1) of the store, the carriage movable in a plane perpendicular to the axes (5,4) fixed thereon.

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