Title:
射出成形樹脂ギヤ,射出成形樹脂回転体及び射出成形体
Document Type and Number:
Japanese Patent JP4557243
Kind Code:
B2
Abstract:
An injection molded resin gear 1 has a rim 6 having teeth 7 on its outer periphery, a hub 4 for receiving therein a shaft, and a web 6 connecting the rim 6 to the hub 4 . The thickness (t 1 ) of the bottom 15 of the rim 6 is smaller than the thickness (t 2 ) of the web 5 . On the side faces 8 and 8 of the web 5 , annular circumferential ribs 10, 11 and 12 protruding concentrically with the rim 6 and hub 4 are formed. The relationship between the thickness (t 1 ) of the bottom 15 of the rim 6 , the thickness (t 2 ) of the web 5 and the thickness (t 3 ) of the circumferential rib 12 is t 1 <=t 3
Inventors:
Masaaki Ojima
Application Number:
JP2002248546A
Publication Date:
October 06, 2010
Filing Date:
August 28, 2002
Export Citation:
Assignee:
Enplus Inc.
International Classes:
F16H55/06; B29C45/00; B29C45/26; F16H55/17; B29L15/00
Domestic Patent References:
| JP9166199A | ||||
| JP10278124A | ||||
| JP11013861A | ||||
| JP8025501A | ||||
| JP2002235835A | ||||
| JP2003276058A |
Attorney, Agent or Firm:
Hiroyoshi Katsumata