Sewing machine presser foot having means or positioning spring element
OwnerHsien-Chang Tsenginventor
Life of this patent
Estimating the term…
Abstract
A sewing machine presser foot includes a presser pivotally coupled to the presser foot, a casing secured to the presser foot, a release handle pivotally coupled to the presser foot, a presser pivotally coupled to the presser foot, a spring having one end engaged with the presser in order to depress the presser and the other end engaged in the casing. The casing and the other end of the spring are separated from the release handle such that the users will not be hurt by the spring when the users actuate the release handle.
Claims5
A sewing machine presser foot comprising a body including a lateral portion, a casing secured to said lateral portion of said body and including a hollow interior, a release handle pivotally coupled to said body, a presser pivotally coupled to said body, a spring element including a middle portion pivotally coupled to said body, a first end engaged with said presser in order to depress said presser, and a second end engaged in said hollow interior of said casing, said body including a projection extended laterally therefrom for supporting said first end of said spring element in place, said casing and said second end of said spring element being separated from said release handle such that users will not be hurt by said spring element when the users actuate said release handle.
A sewing machine presser foot comprising a body including a front portion and a lateral portion, a casing secured to said lateral portion of said body and including a hollow interior, a stub extended laterally from said lateral portion of said body, a notch formed in a lower portion of said portion of said body, a presser pivotally coupled to said body at a shaft, said shaft being received in said notch of said body, a release handle pivotally coupled to said body and including a rod extended toward said notch in order to enclose said notch such that said shaft is rotatably supported in said notch of said body, a spring element including a middle portion pivotally engaged to said stub of said body, a first end engaged with said presser in order to depress said presser, and a second end engaged in said hollow interior of said casing, said casing and said second end of said spring element being separated from said release handle such that users will not be hurt by said spring element when the users actuate said release handle.
Dependencies are inferred from the claim text.