JPH0480957U - - Google Patents
Info
- Publication number
- JPH0480957U JPH0480957U JP12459490U JP12459490U JPH0480957U JP H0480957 U JPH0480957 U JP H0480957U JP 12459490 U JP12459490 U JP 12459490U JP 12459490 U JP12459490 U JP 12459490U JP H0480957 U JPH0480957 U JP H0480957U
- Authority
- JP
- Japan
- Prior art keywords
- front side
- integrally formed
- resin pulley
- back side
- annular disk
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000011347 resin Substances 0.000 claims description 8
- 229920005989 resin Polymers 0.000 claims description 8
- 238000002347 injection Methods 0.000 claims description 2
- 239000007924 injection Substances 0.000 claims description 2
- 230000003014 reinforcing effect Effects 0.000 claims description 2
- 238000000465 moulding Methods 0.000 description 5
Landscapes
- Pulleys (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
Description
第1図ないし第4図は本考案の実施例に係り、
第1図は樹脂製プーリの外観形状を示す一部省略
正面図、第2図は第1図の−線に沿う断面図
であり、第3図は樹脂製プーリの成形用金型を示
す断面図、第4図は成形用金型の要部構造を拡大
して示す断面図である。また、第5図ないし第8
図は従来例に係り、第5図は樹脂製プーリの外観
形状を示す一部省略正面図、第6図は第5図の
−線に沿う断面図であり、第7図は成形用金型
を示す断面図、第8図は成形用金型の要部構造を
拡大して示す断面図である。
図における符号1は樹脂製プーリ、2は成形用
金型、3は肉厚部、4は環状肉厚部、5はキヤビ
テイ、7は樹脂注入用ゲート、8は凹部、9は環
状凹溝部、11は外側ベルト掛け部、12は内側
ボス部、13は環状円板部、14は補強リブであ
る。なお、図中の同一符号は、互いに同一もしく
は相当する部品、部分を示している。
1 to 4 relate to embodiments of the present invention,
Fig. 1 is a partially omitted front view showing the external shape of the resin pulley, Fig. 2 is a cross-sectional view taken along the - line in Fig. 1, and Fig. 3 is a cross-sectional view showing the mold for molding the resin pulley. 4 are enlarged cross-sectional views showing the main structure of the molding die. Also, Figures 5 to 8
The figures relate to a conventional example, Fig. 5 is a partially omitted front view showing the external shape of the resin pulley, Fig. 6 is a sectional view taken along the - line in Fig. 5, and Fig. 7 is a molding die. FIG. 8 is an enlarged cross-sectional view showing the main structure of the molding die. In the figure, 1 is a resin pulley, 2 is a molding die, 3 is a thick wall part, 4 is an annular thick wall part, 5 is a cavity, 7 is a gate for resin injection, 8 is a recessed part, 9 is an annular groove part, 11 is an outer belt hanging part, 12 is an inner boss part, 13 is an annular disk part, and 14 is a reinforcing rib. Note that the same reference numerals in the drawings indicate parts and portions that are the same or correspond to each other.
Claims (1)
ボス部と、これらを径方向に沿つて一体に連結す
る環状円板部及び補強リブとを有する樹脂製プー
リであつて、 前記環状円板部の樹脂注入用ゲートと対面する
所定位置の裏面側には、この裏面側方向に向かつ
て張り出した肉厚部を一体形成するとともに、 前記環状円板部の前記肉厚部と対向する表面側
部分の周囲には、この表面側方向に向かつて張り
出した環状肉厚部を一体形成していることを特徴
とする樹脂製プーリ。[Claims for Utility Model Registration] A resin pulley having an outer belt hook part and an inner boss part arranged concentrically, and an annular disc part and reinforcing ribs that integrally connect these parts along the radial direction. A thick part is integrally formed on the back side of the annular disk part at a predetermined position facing the resin injection gate, and the thick part projects toward the back side, and the thickness of the annular disk part is A resin pulley characterized in that a ring-shaped thick part is integrally formed around a front side portion facing the front side, and extends toward the front side.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12459490U JPH0480957U (en) | 1990-11-26 | 1990-11-26 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12459490U JPH0480957U (en) | 1990-11-26 | 1990-11-26 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH0480957U true JPH0480957U (en) | 1992-07-14 |
Family
ID=31872236
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP12459490U Pending JPH0480957U (en) | 1990-11-26 | 1990-11-26 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0480957U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2889512A3 (en) * | 2013-12-24 | 2015-10-28 | Canon Kabushiki Kaisha | Injection molding resin gear and method of manufacturing the same |
-
1990
- 1990-11-26 JP JP12459490U patent/JPH0480957U/ja active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2889512A3 (en) * | 2013-12-24 | 2015-10-28 | Canon Kabushiki Kaisha | Injection molding resin gear and method of manufacturing the same |
CN104723513B (en) * | 2013-12-24 | 2017-09-19 | 佳能株式会社 | Injection molding resin gear and its manufacture method |