Shredder support frame

Patent metadata

Field	Value
Publication number	US-9610585-B2
Application number	US-201313890061-A
Country	US
Kind code	B2
Filing date	May 8, 2013
Priority date	May 8, 2013
Publication date	Apr 4, 2017
Grant date	Apr 4, 2017

Abstract

A shredder mechanism is disclosed herein including first and second shredder portions positioned opposite one another and defining a slot therebetween. The first and second shredder portions each include a longitudinal support having more upper fins and a plurality of lower fins. each defining a shaft receptacle. A shaft is positioned between the upper and lower fins positioned within the shaft receptacles. A plurality of cutting blades are mounted to the shaft and extend into the slot. Each of the one or more upper fins and the plurality of lower fins extend among the plurality of cutting blades. The longitudinal support includes upper and lower support portions having the one or more upper fins secured to the upper support portion and the plurality of lower fins secured to the lower support portion.

First claim

The embodiments of the invention in which an exclusive property or privilege is claimed are defined as follows:

1. A shredder comprising:
a shredder housing;
first and second shredder portions positioned within the housing opposite one another and defining a slot therebetween in a vertical direction, the first and second shredder portions each including
a longitudinal support,
a plurality of support fins secured to the longitudinal support and defining a plurality of shaft support receptacles,
a shaft positioned within the plurality of shaft support receptacles, the plurality of shaft support receptacles encircling the shaft both above and below the shaft along the vertical direction, the plurality of support fins hindering deflection of the shaft, and
a plurality of cutting blades mounted to the shaft and extending into the slot, each of the plurality of support fins extending among the plurality of cutting blades; and

a motor coupled to the shafts of the first and second shredder portions;
wherein a number of the plurality of support fins is less than a number of the plurality of stripper fins.

2. The shredder of claim 1 , wherein the first and second shredder portions further comprise a plurality of stripper fins mounted to the longitudinal support interleaved with the support fins, the plurality of stripper fins extending among the plurality of cutting blades and defining a plurality of stripper receptacles having the shaft positioned therein.

3. The shredder of claim 2 , wherein the stripper receptacles encircle a smaller circumferential portion of the shaft than the shaft support receptacles and are positioned beneath the shaft.

4. The shredder blade assembly of claim 2 , wherein the longitudinal support comprises an upper support portion and a lower support portion, the plurality of stripper fins being secured to the lower support portion.

5. The shredder of claim 4 , wherein the plurality of support fins include upper fin portions secured to the upper support portion and lower fin portions secured to the lower support portion, the shaft being captured between the upper and lower fin portions.

Assignees

• Zhou Licheng
• Chen Jian
• Li Qing
• Chen Haiting
• Ding Ziqiang
• Qi Jianbo
• New United Office Equipments Co Ltd

Inventors

• Zhou Licheng
• Chen Jian
• Li Qing
• Chen Haiting
• Ding Ziqiang
• Qi Jianbo

Classifications

• B02C18/0007 Primary

  specially adapted for disintegrating documents · CPC title

• B02C2018/0069

  with stripping devices · CPC title

• B02C2018/0046

  Shape or construction of frames, housings or casings · CPC title

• B02C18/142

  with two or more inter-engaging rotatable cutter assemblies · CPC title

• B02C2018/162

  Shape or inner surface of shredder-housings · CPC title