Pins or staples removable structure of automatic shredders

• US 8,201,766 B2
• Filed: 07/27/2009
• Issued: 06/19/2012
• Est. Priority Date: 08/19/2008
• Status: Active Grant

• Current Assignee: Aurora Office Equipment Co., Ltd, Shanghai
• Original Assignee: Aurora Office Equipment Limited
• Inventors: Chen, Hsin-Hsiung
• Primary Examiner(s): Rosenbaum, Mark
• Application Number:
  US12/509,681
• Publication Number:
  US 20100044484A1
• Time in Patent Office: 1,058 Days
• Field of Search: 241/236, 241/100, 241/225, 241/81
• US Class Current: 241/225
• CPC Class Codes: B02C 18/0007 specially adapted for disintegrating documents
• CPC Class Codes: B02C 2018/003 Removing clips, pins or staples before disintegrating
• CPC Class Codes: B02C 2018/164 Prevention of jamming and/or overload

Abstract

The present invention relates to a pins or staples removable structure of automatic shredders which comprises a shredder core, a paper press board assembly and a paper support board assembly fixed to the shredder core and arranged cooperatedly, and a clamping device, the paper support board assembly comprises a paper support board and a pick-up mechanism mounted to the paper support board, the clamping device is fixed to the paper press board assembly and the shredder core/the paper support board respectively, for clamping the paper to be shredded to the paper support board during the process of shredding paper, the paper support board has a paper inlet above the blade assembly of the shredder core, the distance between the outer end of the paper support board and the outer end of the pick-up mechanism for clamping the paper to be shredded is less than the length of the whole paper to be shredded, the pins or staples removable structure of automatic shredders further comprises a magnet positioned in the outer end of the paper support board, then the present invention, cooperated with the shredding structure of automatic shredders, can remove automatically pins or staples of paper having pins or staples mixed in a stack of paper, to achieve shredding paper in batches, has a high degree of automation, can be used conveniently, is designed dexterously, and has a concise structure and an economical cost.

Claims

1. A pins or staples removable structure of automatic shredders, comprising a shredder core, a paper press board assembly and a paper support board assembly fixed to the shredder core and arranged cooperatedly, the paper support board assembly comprises a paper support board and a pick-up mechanism mounted to the paper support board, wherein the pins or staples removable structure of automatic shredders further comprises a clamping device fixed to the paper press board assembly and the shredder core/the paper support board respectively, for clamping the paper to be shredded to the paper support board during the process of shredding paper.

2. The pins or staples removable structure of automatic shredders according to claim 1, wherein the clamping device is an elastic component two ends of which are fixed to the paper press board assembly and the shredder core respectively.

3. The pins or staples removable structure of automatic shredders according to claim 2, wherein the elastic component is an extension spring.

4. The pins or staples removable structure of automatic shredders according to claim 1, wherein the distance between the outer end of the paper support board for clamping the paper to be shredded and the outer end of the pick-up mechanism for clamping the paper to be shredded is less than the length of the whole paper to be shredded.

5. The pins or staples removable structure of automatic shredders according to claim 1, wherein the pick-up mechanism comprises a pick-up axle mounted in the paper support board, and the paper press board assembly comprises a paper press board and a paper press axle mounted in the paper press board and adjacent to the pick-up axle.

6. The pins or staples removable structure of automatic shredders according to claim 5, wherein around the pick-up axle is mounted a pick-up roller, and around the paper press axle is mounted a paper press roller next to the pick-up roller.

7. The pins or staples removable structure of automatic shredders according to claim 5, wherein in the middle part of the paper support board there is a groove in which the pick-up axle is located, the top of the cross section of the pick-up axle is higher than the upper surface of the paper support board.

8. The pins or staples removable structure of automatic shredders according to claim 1, wherein the paper press board further has a paper inlet above the blade assembly of the shredder core.

9. The pins or staples removable structure of automatic shredders according to claim 8, wherein the pins or staples removable structure of automatic shredders further comprises a magnet positioned in the outer end of the paper support board.

10. The pins or staples removable structure of automatic shredders according to claim 9, wherein the magnet is a magnetic strip, the outer end has a slot for the magnetic strip in which the magnetic strip is located, and the magnetic strip is lower than the upper surface of the paper support board.