To provide a gear structure capable of forming a sheet having a uniform width from a composition including a resin component.
A gear structure 4 includes a pair of gears 32 and a casing 31, the pair of gears 32 include bevel teeth 35 engaged with each other, each bevel tooth 35 includes a first bevel tooth 36 and a second bevel tooth 37, tooth traces of the first bevel tooth 36 and the second bevel tooth 37 are inclined outward in the rotation axis direction from a downstream side in the rotating direction of the gear toward an upstream side in the rotating direction, the casing 31 is provided with a gear accommodating space 73, a first storage portion 28, and an opening portion 29, and one end portion and the other end portion in the rotation axis direction, of the pair of gears 32 are positioned in the outside of one end portion and the other end portion of the opening portion 29 in the rotation axis direction, respectively.
ODA TAKASHI
ONO HIROBUMI
MATSUOKA YUSUKE
| JP2011090868A | 2011-05-06 | |||
| JP2010202865A | 2010-09-16 | |||
| JP2001510103A | 2001-07-31 | |||
| JPH1034733A | 1998-02-10 | |||
| JP2001165062A | 2001-06-19 |
| US5908067A | 1999-06-01 |
Shinichi Uda
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