USRE2867E - henshaw - Google Patents

henshaw Download PDF

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Publication number
USRE2867E
USRE2867E US RE2867 E USRE2867 E US RE2867E
Authority
US
United States
Prior art keywords
spring
hook
bar
eye
proper
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English (en)
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By Mesne Assignments Of
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  • suc-h hooks Previous to my invention there were two ⁇ classes of suc-h hooks in use. kIn one of these classes, the spring for'holding the spring-bar in plac was arranged between the hinge pivot and the hook proper. In the other class the spring was arranged between the hingepivot and the eye. The former class was defective because the spring was .exposed to injury from the contact-of ,articles held in the hook, Awhile the latter class (which, so fur as I know, wereused only by goldsmiths, and wereverysmalh) were also defective because the eye had to beset at a considerable distance from the hinge-pivot to give room foi-'the insertion of the spring between the two; hence the implement. was much longer in proportion than snap-hooks ofthe first class, besides being more costlyl to make.
  • the object of my invention is to protect lfrom injury the spring of snap-hooks of the first class, vwithout materially increasing the length of the implement, so that my improved vsnap-hook has the good qualities of both the classes above described without the defects of either.
  • my invention consists ofthe combination ofthe hook proper, the spring-bar, and the eye, with a. spring arranged to operate upon the spring-bar atta. point intermediate between the pivot and the hook proper, and with ears or'ch'eeks extending over said spring to protect it'from injury.
  • the arrangement of the spring'to operate at what may be termed the'hook-'side of the hinge-pivot, (instead of at the eye side thereof,) enables the article to be made of no materially greater length than the common snap-hooks heretofore in use with exposed springs, while' the ears on nheek's'iform the side walls ofa cavity-o1' socket, in Vwhich the spring is contained, andby whose walls it is protected from injury.
  • Figure. 3 an edge view ofthe said snap-hook.
  • A represents the hook proper, constructed of metal, with the eye B formed at one end as usual.
  • the front or end, I), of the hookA is bevelled of Or oblique, forming an angle of about fortyfive degrees with the central line ofthe hook, and has also a. groove, c, formed in its oblique face'.
  • a socket, e is formed by means of two ears or cheeks,ff, one at each side of the shank d; and within this socket one end of the spring-bar -Gr lis pivoted by means of the hinge pivot 7i.
  • the spring-bar thus closes the' throat of the hook, and ie'a substitutel for the spun-yarn that is frequently used in hooks Vfor marine purposes, such spun-yarn being technically termed a f mousing.
  • the hook may be readily engaged with a ring, or loop, or eye, by pressing the bar directly against said article.

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