# US 7,466,955 B2 · Toner delivery mechanism made in simple construction and image forming device > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 7,466,955 B2 - Document ID: US7466955B2 - Status: Granted - Kind: B2 - Application number: 11/306,863 - Filed: 2006-01-13 - Published: 2006-09-07 - Granted: 2008-12-16 - Earliest claimed: 2005-01-14 - Assignees: Kyocera Mita Corporation - Inventors: Hirohito Konishi - Web page: https://patentgrep.com/patent/US7466955B2 ## CPC - G03G 21/105: {Arrangements for conveying toner waste} - G03G: ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY ## Abstract A toner delivery mechanism is arranged between a cleaning device and a toner collection receptacle, and includes a collection pipe for delivering toner from the cleaning device to the toner collection receptacle, and a collection spiral that extends into the collection pipe and rotates. The collection spiral is formed to reciprocate in the toner delivery direction in conjunction with the rotational drive thereof. ## Claims ### Claim 1 A toner delivery mechanism arranged between a cleaning device for cleaning residual toner on an image carrier, and a toner collection receptacle for collecting residual toner, comprising: collection pipe means arranged between the cleaning device and the toner collection receptacle; collection spiral means for extending within the collection pipe means, and delivering toner by means of rotation; rotation drive means for rotating the collection spiral means, and reciprocating means for reciprocating the collection spiral means in a toner delivery direction, the reciprocating means for reciprocating the collection spiral means in conjunction with the rotation of the collection spiral means by means of the rotation drive means. ### Claim 2 (depends on 1) The toner delivery mechanism according to claim 1, further comprising single drive means for storing the rotation drive means and the reciprocating means. ### Claim 3 (depends on 2) The toner delivery mechanism according to claim 2, wherein the reciprocating means has cam means for rotating by means of the rotation drive means, the cam means having a tilted surface that tilts in the toner delivery direction of the collection spiral means, and shaft means connected to the collection spiral means, the shaft means for reciprocating in the toner delivery direction of the collection spiral means by contacting the tilted surface of the cam means. ### Claim 4 An image forming device, comprising: image forming means for forming a toner image on paper, the image forming means having an image carrier on the surface of which a toner image will be formed; paper supply means for supplying paper to the image forming means; cleaning means for cleaning residual toner on the image carrier; toner collection means for storing the residual toner collected by the cleaning means; toner delivery means arranged between the cleaning means and the toner collection means; and toner delivery means, having collection pipe means arranged between the cleaning means and the toner collection means, collection spiral means for extending within the collection pipe means, and delivering toner by means of the rotation thereof, rotation drive means for rotating the collection means, reciprocating means for reciprocating the collection spiral means in a toner delivery direction, the reciprocating means for reciprocating the collection spiral means in conjunction with the rotation of the collection spiral means by means of the rotation drive means. ### Claim 5 (depends on 4) The image forming device according to claim 4, further comprising a single drive means for storing the rotation drive means and the reciprocating means. ### Claim 6 (depends on 4) The image forming device according to claim 4, wherein the reciprocating means has cam means for rotating by means of the rotation drive means, the cam means having a tilted surface that tilts in the toner delivery direction of the collection spiral means, and shaft means connected to the collection spiral means, the shaft means for reciprocating in the toner delivery direction of the collection spiral means by contacting the tilted surface of the cam means. ### Claim 7 A toner delivery mechanism arranged between a cleaning device for cleaning residual toner on an image carrier, and a toner collection receptacle for collecting residual toner, comprising: a collection pipe being arranged between the cleaning device and the toner collection receptacle; a collection spiral extending within the collection pipe, and delivering toner by rotation; a rotation drive mechanism being configured to rotate the collection spiral; and a reciprocating mechanism being configured to reciprocate the collection spiral in a toner delivery direction, the reciprocating mechanism configured to reciprocate the collection spiral in conjunction with the rotation of the collection spiral by the rotation drive mechanism. ### Claim 8 (depends on 7) The toner delivery mechanism according to claim 7, further comprising a single drive unit that stores the rotation drive mechanism and the reciprocating mechanism. ### Claim 9 (depends on 8) The toner delivery mechanism according to claim 8, wherein the reciprocating mechanism comprises a cam that rotates by the rotation drive mechanism, the cam having a tilted surface that tilts in the toner delivery direction of the collection spiral, and a shaft connected to the collection spiral, the shaft reciprocates in the toner delivery direction of the collection spiral by contacting the tilted surface of the cam. ### Claim 10 An image forming device, comprising: an image forming unit being configured to form a toner image on paper, the image forming unit having an image carrier on the surface of which a toner image is formed; a paper supply unit being configured to supply paper to the image forming unit; a cleaning device being configured to clean residual toner on the image carrier; a toner collection receptacle being configured to store the residual toner collected by the cleaning device; and a toner delivery mechanism being arranged between the cleaning device and the toner collection receptacle, the toner delivery mechanism having a collection pipe being arranged between the cleaning device and the toner collection receptacle, a collection spiral extending within the collection pipe, and delivering toner by the rotation thereof, rotation drive mechanism being configured to rotate the collection spiral, and reciprocating mechanism being configured to reciprocate the collection spiral in a toner delivery direction, the reciprocating mechanism being configured to reciprocate the collection spiral in conjunction with the rotation of the collection spiral by means of the rotation drive mechanism. ### Claim 11 (depends on 10) The image forming device according to claim 10, further comprising a single drive unit that stores the rotation drive mechanism and the reciprocating mechanism. ### Claim 12 (depends on 9) The image forming device according to claim 9, wherein the reciprocating mechanism has a cam that rotates by means of the rotation drive mechanism, the cam having a tilted surface that tilts in the toner delivery direction of the collection spiral, and a shaft connected to the collection spiral, the shaft capable of reciprocating in the toner delivery direction of the collection spiral by contacting the tilted surface of the cam.