Invention Grant
- Patent Title: Look-alive doll pivot joint
- Patent Title (中): LOOK-ALIVE DOLL PIVOT JOINT
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Application No.: US3566535DApplication Date: 1968-10-03
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Publication No.: US3566535APublication Date: 1971-03-02
- Inventor: HANDLER ELLIOT , RYAN JOHN W , SAPKUS JURGIS , SHAPERO WALLACE H
- Applicant: MATTEL INC
- Assignee: Mattel Inc
- Current Assignee: Mattel Inc
- Priority: US76466968 1968-10-03
- Main IPC: A63H3/46
- IPC: A63H3/46 ; A63H3/20
Abstract:
A PIN JOINT FOR AN ARTICULATED TOY TO JOIN TWO BODY MEMBERS, INCLUDING A PIN WITH A SHARPENED TIP RIGIDLY SUPPORTED BY ONE BODY MEMBER, AND A DISC, DEFINING A CONE-SHAPED CAVITY, SUPPORTED BY THE OTHER BODY MEMBER. A TORSION SPRING, CONNECTED TO THE TWO BODY MEMBERS,A SPRING BIASES THE PIN INTO THE CAVITY WITH THE PIN''S TIP IN ENGAGEMENT WITH THE CONE''S VERTEX. THE TORSION SPRING IS USED TO PROVIDE PIVOTAL AND/OR ROTATIONAL RESTORING FORCES TO THE FIRST MEMBER, TO REPOSITIOIN IT IN ITS QUIESCENT POSITION, AFTER ITS POSITION IS DISTURBED BY FORCE APPLIED BY A PLAYING CHILD.
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