US2017218544A1PendingUtilityA1

Sewing machine needle clamp

Assignee: SHING RAY SEWING MACHINE CO LTDPriority: Feb 3, 2016Filed: Feb 3, 2016Published: Aug 3, 2017
Est. expiryFeb 3, 2036(~9.5 yrs left)· nominal 20-yr term from priority
Inventors:Jui-Jung Chuo
D05B 55/02
31
PatentIndex Score
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Claims

Abstract

A sewing machine needle clamp includes a seat and a threading element. The seat includes an assembly rod disposed at an upper portion, and an installation groove disposed at one side away from the assembly rod. The threading element includes an assembly section adhered in the installation groove, a threading section extended from the assembly section, and a plurality of thread holes disposed at the threading section. The hardness of the threading element is greater than the hardness of the seat to prevent the threading element from wear caused by sewing operations. In the sewing machine needle clamp of the present invention, the seat and the threading element are manufactured and formed separately, so as solve the issue of crookedness of machine needle holes caused by a thermal process in a conventional needle clamp.

Claims

exact text as granted — not AI-modified
What is claimed is: 
     
         1 . A sewing machine needle clamp, comprising:
 a seat, made of a first material, comprising an assembly rod disposed at an upper portion, and an installation groove disposed at one side away from the assembly rod; and   a threading element, made of a second material, the second material being different from the first material, the hardness of the second material being greater than the hardness of the first material, the threading element comprising an assembly section adhered in the installation groove, a threading section extended from the assembly section towards a direction away from the seat, and a plurality of thread holes disposed at the threading section.   
     
     
         2 . The sewing machine needle clamp of  claim 1 , wherein the first material is a metal material, and the second material is a ceramic material. 
     
     
         3 . The sewing machine needle clamp of  claim 2 , wherein the assembly section is adhered in the installation groove by an adhesive. 
     
     
         4 . The sewing machine needle clamp of  claim 2 , wherein the seat further comprises a plurality of machine needle holes penetrating from an inner portion towards a lower portion. 
     
     
         5 . The sewing machine needle clamp of  claim 4 , wherein the installation groove is disposed at the lower portion of the seat, the installation groove is in communication with at least one of the machine needle holes, the seat further comprises a guiding plane slantingly disposed from a surface towards the installation groove, and the lower edge of the guiding plane is aligned with edges of the thread holes. 
     
     
         6 . The sewing machine needle clamp of  claim 5 , wherein the threading element further comprises a through hole disposed at the assembly section and being in communication with at least one of the machine needle holes. 
     
     
         7 . The sewing machine needle clamp of  claim 5 , wherein the threading element further comprises a plurality of through holes disposed at the assembly section and being in communication with the machine needle holes, respectively. 
     
     
         8 . The sewing machine needle clamp of  claim 2 , wherein the seat comprises a channel slantingly penetrating towards two opposite sides, and the machine needle holes penetrate from a side of the channel vertically towards a lower portion of the seat. 
     
     
         9 . The sewing machine needle clamp of  claim 2 , wherein the seat further comprises a plurality of fastening holes disposed at a surface, and the fastening holes are arranged along a horizontal direction to be in communication with the machine needle holes, respectively.

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