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US 11,105,030 B1Granted
Break away needle bar stud
OwnerJames Buckinventor
Life of this patent
Estimating the term…
Abstract
A needle bar stud having a break away region to induce part failure in the needle bar stud and not in the reciprocating slide block in an embroidery machine. The improved needle bar stud with the break away region features a replaceable insert to allow quick and easy repair of the embroidery machine when a jam occurs and the needle bar stud is damaged.
Claims14
A break away needle bar system for an embroidery machine, comprising:
- a needle bar stud assembly configured to engage a needle bar along an axis, the needle bar stud assembly comprises a stud and a holder coupled to the stud with a slide joint to slidingly secure the stud to the holder;
- a needle bar reciprocator configured to engage the stud, the needle bar reciprocator comprises both an upper flange and a lower flange to capture and engage the stud;
- and
- the needle bar reciprocator is metallic and the stud is plastic, such that only the stud is configured to break if the needle bar strikes a solid part of the embroidery machine.
1 more element
A needle bar stud assembly having a needle axis that is vertical, comprising:
- a holder that is metallic and a stud that is plastic coupled to and extending horizontally from the holder in a radial direction relative to the needle axis, the holder is configured to clamp to a needle bar, a vertical position of the holder is configured to be adjustable along the needle bar, the holder comprises a base having tabs that define a horizontal slot between the tabs, the tabs are configured to engage respective grooves in the stud, and the grooves are configured to horizontally and slidably engage the respective tabs with the stud in the horizontal slot adjacent to a radial side of the needle bar relative to the needle axis.
A needle bar assembly having a needle axis that is vertical, comprising:
- a holder that is metallic and configured to clamp to a needle bar, a vertical position of holder is adjustable, the holder comprises a base having tabs that define a horizontal slot on a radial side of the needle bar relative to the needle axis;
- and
- a stud that is plastic and configured to horizontally engage the horizontal slot in the holder via slide grooves in the stud engaging the tabs of the holder, wherein the slide grooves in the stud comprise a mechanical stop, and the mechanical stop prevents the stud from being installed incorrectly in the holder.
Dependencies are inferred from the claim text.