CA2091479A1 - Bow string winding method - Google Patents

Bow string winding method

Info

Publication number
CA2091479A1
CA2091479A1 CA 2091479 CA2091479A CA2091479A1 CA 2091479 A1 CA2091479 A1 CA 2091479A1 CA 2091479 CA2091479 CA 2091479 CA 2091479 A CA2091479 A CA 2091479A CA 2091479 A1 CA2091479 A1 CA 2091479A1
Authority
CA
Canada
Prior art keywords
strand
laps
string
serving
loop
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Abandoned
Application number
CA 2091479
Other languages
French (fr)
Inventor
Richard Hoffer (Dick) C.
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
HOFFER RICHARD (DICK) C
Original Assignee
Richard Hoffer (Dick) C.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Richard Hoffer (Dick) C. filed Critical Richard Hoffer (Dick) C.
Priority to CA 2091479 priority Critical patent/CA2091479A1/en
Publication of CA2091479A1 publication Critical patent/CA2091479A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41WEAPONS
    • F41BWEAPONS FOR PROJECTING MISSILES WITHOUT USE OF EXPLOSIVE OR COMBUSTIBLE PROPELLANT CHARGE; WEAPONS NOT OTHERWISE PROVIDED FOR
    • F41B5/00Bows; Crossbows
    • F41B5/14Details of bows; Accessories for arc shooting

Abstract

ABSTRACT OF THE DISCLOSURE
A method of winding archery bow strings wherein a single strand of bow string material is wound under tension to form a multi-strand loop with a diameter equal to the length of a standard string. Applying a first serving comprised of lapping a single string around a portion of the loop and pulling the string back underneath the laps to form a tight lap. Applying a second serving 180 degrees from the first serving and in the same manner as the first serving. Anchoring one end of the loop and rotating the other end under tension such that the multiple strands of the loop are tightly braided. Applying a third serving to overlap the ends of the looped first serving and extending for a predetermined length along the braided strands. Applying a forth servicing to overlap the ends of the looped second serving and extending for the same length as the third serving. Applying a fifth serving located centrally on the braided strands and extending a predetermined length on the strands. The string thus formed is dense with each strand evenly tensioned and is capable of significantly enhancing arrow speed.

Description

2~91~79 :,~
": ,, This invention relates to the field of archery, more particularly to a method of winding bow strings such as to enhance the flight characteristics of arrows. ~ ~ ~
~' ''",' While the physical embodiment of the bow and arrow has undergone dramatic changes over the centuries, the essence of the weapon remains that of a stick and string. The energy created in the fle~ng limbs of the bow is imparted, upon release, to the string and thence to the ~ ~
arrow. ~ ~, Not surprisingly, much in~entive engenuity has been applied to the development of ~ `
designsandmethodswherebytheenergy transfer to the arrowisrenderedmore efflcient, thus ~ ;
producing faster and straighter arrow llight paths.

The use of the bow and arrow, with the exception of hunting, is generally confined to ;, ~
; competitn~e sports such ~as target shooting. As with most competitive sporting events, partici-pants are engaged in the, seemingly, never ending search for ways to improve their ;
performance. Whether by technique or by technology the difference between a winning performance and a losing performance is usually so slight as to be undetectable without the use of sensitive measuring devices.

Thus any competitive advantage, no matter how seemingly small, assumes significant -.
proportions when placed in the arena of competitive sports; and the sport of archery is no ~; , - ", exception . ~ I . ' " ' ' , "S

Inventions abound in this field - as may be readily attested to by a purusal of the patent 20 literature - yet the bow string itself has remained relatively unaltered for a decade or more.
.,,, . ~
.
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Surprising when one considers the critical role played by the string.

: , ,, .:
The method of windingbowstrings of the present invention results in a stringwhich is more dense than that of the known art, has greater wear characteristics, greater dimensional accuracy and imparts significantly more energy to the arrow.

According to one aspectthepresent invention relates to a methodofwindingbow strings comprising the steps of:
, ,.",, ~, Winding bow string material under tension to form a multi-strand, generally c*cular ~ , loop having a diameter substantially equal to the length of a standardized bow string; :

', . '--~:
forming a first serving at a tie-off end of said loop by inserting a first single string strand 10 transverselythrough a first strand bundle of said loop, maintaining one end of said first string strand inlongitudinal contactwith said first strand bundle, lapping the other end of saidfirst strand over and around said first strand bundle to form a first series of laps extending longitudinally for a predetermined length of said first strand bundle, pulling said other end of saidfirst stringstrand back underandthroughsaidfirst laps, exposing saidfirst string strand $~theoutside of saidfirst laps at the p73 approximate mid-point ofthelength of saidfirstlaps -and cutting said other end of said first string strand whereby said first string strand is assimilated into said first laps;

forming a second serving at a second strand bundle of said loop 180 degrees from said first serving by inserting a second single string strand transversely through said second strand 20 bundle of said loop, maintaining one end of said second string strand in longitudinal contact with said second strandbundle, lapping the other end of said second strand over and around -2- ;`
, , -1 ,, ~09~7~ :
.
said second strand bundle to -form a second series o-f laps extending longitudinally for a length of said second strand bundle substantially equal to the length of said first strand bundle laps, pul]ing said other end of said second string strand back under and through said secondlaps, exposing said second string strand to the outside of said second laps at the approximate mid-point of the length of said second laps and cutting said other end of said second string strand whereby said second string strand is assimilated into said second laps;

stretching said loop whereby said first and said second servings form a first and second end loop 180 degrees opposed, attaching said first end loop to a f~xed anchor, attaching said second end loop to a rotating means and rotating said loop under tensionwhereby the lo multiplestrandsofsaidloop are tightly intertwined;

.; .~ . ~
forming a third sen~ing commencing at the point where the opposite ends of said first -serving meet in said first end loop, overlapping said ends of said first serving and extending ~ :
longitudinally for a predetermined length of the tightly intertwined strands by inserting a third ~ ::
single string strand transversely through the intertwined strands, maintaining one end of said :
third string strand in longitudinal contactwith said intertwined strands, lapping the other end of said third strand over and around said intertwined strands to form a third series of laps, . .
pulling said other end of said third string strand back under and through said third laps, exposing said third string strand to the outside of said third laps at the approximate mid-point of the length of said third laps and cutting said other end of said third string strand whereby said :~
20 third string strand is assimilated into said third laps;
;,, ", ~orming a forth serving commencing at the point where the opposite ends of said second ~ .`
.; .......
servingmeetinsaidsecond end loop,overlapping said ends of saidsecond serving and '~,'!j`'''~' extendir;g longitudinally for a length substantially equal to the length of said third laps by ` -: -inserting a forth single string strand transversely through the intertwined strands, maintaining ;
-3~
':,`",:'.'' 2 0 9 ~
, ,".
one end of said forth string strand in longitudinal contactwith said intertwined strands, lapping ~ ~;
the other end of said forth strand over and around said intertwined strands to form a forth series of laps, pulling saidotherendofsaidforthstring strand backunder andthroughsaid forth laps, exposing said forth string strand to the outside of said forth laps at the approximate ~`;
mid- point of the length of said forth laps and cutting said other end of said forth string strand ~ -.......
whereby said forth string strand is assimilated into said forth laps; ~

forming a fifth serving substantially centrally located on the length of said interwined ~ ;
strands and extending along said intertwined strands for a predetermined length by inserting a fifth single string strand transversely through the intertwined strands, maintaining one 10 endof saidfifth string strand in longitudinal contactwith said intertwinedstrands, lapping the other end of said fifth strand over and around said intertwined strands to form a fifth series of laps, pulling said other end of said fifth string strand bark under and through said fifth laps, exposing said fifth string strand to the outside of said fifth laps at the approximate mid-point ofthelengthof said fifthlaps and cutting saidotherendofsaid fifth string strandwhereby said fifth string strand is assimilated into said fifth laps; and rela~ing tension.
....
-, :~,,, Themethodofthepresentinventionwillbedescribedingreaterdetailhavingreference ;~:
to the drawing figures wherein; ~ .

Figure 1 is a schematic view of the initial wlnding process.
20 Figu~e LA isaschematicviewofthe initial winding processshowingthe applicationofthefirst serving.
Iiigures 2 to 2C show the method by which the various servings are applied. ~ -Figure 3. illustrates the dual end loops formed from the intitial servings. ~
'4- ~ ? ,~

2091~7~
~igure 4 shows the method by which the string is braided.
Figure S illustrateis the positioning of additional end loop servings.
Fijgure 6 illustrates a completed string showing the relative positioning of the various servings.
:'.~ ;., Conventional bow string material 10, such as Dacron, is fed from a string roll 8 under tension applied by pinch rollers 9 to a winding device 14 comprised of two diametrically opposed and longitudinally adjustable semi-circular members to form a multi-strand, generally ~ ~ -circular loop 12 having a diameter substantially equal to the length of a standardized bow string;
,: ~",.
: ', ., ~ ' . .
A first serving 16is formed at the tie-off end of the loop 12by inserting a sinjgle string ~;-strand 16'transverselythrough a strand bundle of the loop 12,maintaining one end of the lo strand 16' in longitudinal contact with the strand bundle, lapping the other end of the strand 16' over and around the strand hundle to form a series of laps 16 extending longitudinally for a predetermined length L(approximutely 1.5 inches) of the strandbundle,pullingthe other end of the strand 16' buck under and through the laps 16, exposing the strand 16' to the outside of the laps 16 ut thei approximate mid-point of the length of the laps 16 and cutting the strand ,~
16' such thae the strand 16' is flush with and forms a part of the laps 16; -"
A second serving 16" at a second strand bundle of the loop 12 is formed 180 degrees ~ ~
from the first serving 16 by repeating the process described above in respect to the forrnation -~ `
of the first serving 16 and extends for a length substantially equal to that of the first serving 16. ~ ;

The loop 12isstretched such thatth~e firstand said second servings 16 and l6"
2 o respectivelyformafirstand second endloop 18and 1~'respectively, 180degreesopposed.The secondendloop 18' is attached toafixedanchoræwhich is slidablyadjustableinthe ~`
horizontal plane by means of an adjustment bed 24 affixed to a support structure 26 and the first :'.",.""' , .: . :. ;, ''`'`''''''`''' 2 ~ 7 ~
end loop 18is attached to the shaft of an elctric mo~or 20. The loop 12 is tensioned by adjusting , -the anchor 22, and the loop 12 rotated such that the multiple strands of the loop 12 are tightly intertwined or braided. ~;

A third serving 28is formed by the method described herein in respect to the formation of the first serving 16 commencing at the point where the opposite ends of the first serving 16 meet in the first end loop 18, overlapping the ends of the first serving 16 and extending longitudinally for a predetermined length of the tightly intertwined strands (approximately 3 hlches). ~;

A foIth serving ~8' is formed by the method described herein in respect to the formation lo of the first serving 16 commencing at the point where the opposite ends of the second serving 16" meet in the second end loop 18', o~verlapping the ends of the second serving 16" and ~ ~
extending longitudinally for substantially the same length as the third serving 28. - --'`:~'. ;'`
A fifth serving 30isformedbythemethod describedherein in respect tothe formationofthefirsSserving 16 substantiallycentrallylocated uponthebodyoftheloop 12and extending for approximately 6 inches along its length. ~

~ Tension on the completedstringisreleased by reversing theadjustmentonthe anchor - ~;
- ~ 22. ,,~,", An object of the method of the present invention is to provide a finished string more accurately dimensioned than that of the known art. Another object is to provide a string 20 wherein each individual strand is tensioned substantially equally thus reducing the tendency to individual strand breakage inherent to the strings of the known art. A further object is to ~ -proYide a more dense bow string that those currently available thus imparting greater speed ~;

''''`', 2091-~7~
to the arrow's flight.

It should be clear that the above description is intended merely to disclose the prently preferred embodiment of the method of the present invention and should not be construed as limiting the scope of the invention. According the scope of the present invention should be os determined by the appended claims and their legal equivalents.

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-7- ;
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Claims

THE EMBODIMENTS OF THE INVENTION IN WHICH AN EXCLUSIVE PROPERTY
OR PRIVILEGE IS CLAIMED ARE DEFINED AS FOLLOWS:
1. A method of winding bow strings comprising the steps of:

Winding bow string material under tension to form a multi-strand, generally circular loop having a diameter substantially equal to the length of a standardized bow string;

forming a first serving at a tie-off end of said loop by inserting a first single string strand transversely through a first strand bundle of said loop, maintaining one end of said first string strand in longitudinal contact with said first strand bundle, lapping the other end of said first strand over and around said first strand bundle to form a first series of laps extending longitudinally for a predetermined length of said first strand bundle, pulling said other end of said first string strand back under and through said first laps, exposing said first string strand to the outside of said first laps at the approximate mid-point of the length of said first laps and cutting said other end of said first string strand whereby said first string strand is assimilated into said first laps;

forming a second serving at a second strand bundle of said loop 180 degrees from said first serving by inserting a second single string strand transversely through said second strand bundle of said loop, maintaining one end of said second string strand in longitudinal contact with said second strand bundle, lapping the other end of said second strand over and around said second strand bundle to form a second series of laps extending longitudinally for a length of said second strand bundle substantially equal to the length of said first strand bundle laps, pulling said other end of said second string strand back under and through said second laps, exposing said second string strand to the outside of said second laps at the approximate mid-point of the length of said second laps and cutting said other end of said second string strand whereby said second string strand is assimilated into said second laps;

stretching said loop whereby said first and said second servings form a first and second end loop 180 degrees opposed, attaching said first end loop to a fixed anchor, attaching said second end loop to a rotating means and rotating said loop under tension whereby the multiple strands of said loop are tightly intertwined;

forming a third serving commencing at the point where the opposite ends of said first serving meet in said first end loop, overlapping said ends of said first serving and extending longitudinally for a predetermined length of the tightly intertwined strands by inserting a third single string strand transversely through the intertwined strands, maintaining one end of said third string strand in longitudinal contact with said intertwined strands, lapping the other end of said third strand over and around said intertwined strands to form a third series of laps, pulling said other end of said third string strand back under and through said third laps, exposing said third string strand to the outside of said third laps at the approximate mid-point of the length of said third laps and cutting said other end of said third string strand whereby said third string strand is assimilated into said third laps;

forming a forth serving commencing at the point where the opposite ends of said second serving meet in said second end loop, overlapping said ends of said second serving and extending longitudinally for a length substantially equal to the length of said third laps by inserting a forth single string strand transversely through the intertwined strands, maintaining one end of said forth string strand in longitudinal contact with said intertwined strands, lapping the other end of said forth strand over and around said intertwined strands to form a forth series of laps, pulling said other end of said forth string strand back under and through said forth laps, exposing said forth string strand to the outside of said forth laps at the approximate mid-point of the length of said forth laps and cutting said other end of said forth string strand whereby said forth string strand is assimilated into said forth laps;

forming a fifth serving substantially centrally located on the length of said interwined strands and extending along said intertwined strands for a predetermined length by inserting a fifth single string strand transversely through the intertwined strands, maintaining one end of said fifth string strand in longitudinal contact with said intertwined strands, lapping the other end of said fifth strand over and around said intertwined strands to form a fifth series of laps, pulling said other end of said fifth string strand back under and through said fifth laps, exposing said fifth string strand to the outside of said fifth laps at the approximate mid-point of the length of said fifth laps and cutting said other end of said fifth string strand whereby said fifth string strand is assimilated into said fifth laps; and relaxing tension.
CA 2091479 1993-03-11 1993-03-11 Bow string winding method Abandoned CA2091479A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA 2091479 CA2091479A1 (en) 1993-03-11 1993-03-11 Bow string winding method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA 2091479 CA2091479A1 (en) 1993-03-11 1993-03-11 Bow string winding method

Publications (1)

Publication Number Publication Date
CA2091479A1 true CA2091479A1 (en) 1994-09-12

Family

ID=4151283

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 2091479 Abandoned CA2091479A1 (en) 1993-03-11 1993-03-11 Bow string winding method

Country Status (1)

Country Link
CA (1) CA2091479A1 (en)

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