US1022106A - Boot or shoe calk. - Google Patents

Boot or shoe calk. Download PDF

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Publication number
US1022106A
US1022106A US66038111A US1911660381A US1022106A US 1022106 A US1022106 A US 1022106A US 66038111 A US66038111 A US 66038111A US 1911660381 A US1911660381 A US 1911660381A US 1022106 A US1022106 A US 1022106A
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United States
Prior art keywords
shank
calk
boot
shoe
point
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Expired - Lifetime
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US66038111A
Inventor
John B Murphy
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North And Pfeiffer Mfg Company
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Application filed by North And Pfeiffer Mfg Company filed Critical North And Pfeiffer Mfg Company
Priority to US66038111A priority Critical patent/US1022106A/en
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Publication of US1022106A publication Critical patent/US1022106A/en
Anticipated expiration legal-status Critical
Application status is Expired - Lifetime legal-status Critical

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    • AHUMAN NECESSITIES
    • A43FOOTWEAR
    • A43CFASTENINGS OR ATTACHMENTS OF FOOTWEAR; LACES IN GENERAL
    • A43C13/00Wear-resisting attachments
    • A43C13/04Cleats; Simple studs; Screws; Hob-nails

Description

J. B. MURPHY.

| BOOT 0B SHOE (TALK.

APPLIOATION Hmm Nov.1s, 1911.

1,022,106. v Patented Apr.2,1912.

f I z Wnesses.' Inventor.

' cz/n JWur/vgl @aortic fn.l 4 MURPHY, or Hlimronn ooiviineaioiir;L Assieivon. "'.rotrHE ',-Nontriiiniin atar-any t l Be it known that I, JOHN B. MURPHY, a

citizen of 'the United States, residing 'at Hartford, inthel county of Hartford and Stateof Connecticut, have invented certain new aiidiuseful'Improvements in Boot on Shoe Calks, of which the following is a acter noted which is strong in construction,

capable o f easy connection with-a shoe or other device, and which can be held in place `in a solid and substantial manner.

The calk includes other features of utility .which, with the foregoing, will be set Aforth fully in the following decsription wherein ,I will outline in detail that form of embodiment of the invention which I have selected for illustration 1n the drawing accompanying and forming part of the present specification.

In the drawing -thecalk is shown in elevation and driven into a shoe (shown in section) which may be either the sole or heel thereof. As already intimated, however, the calk can be used in other ways. I desire italso to be understood that I do not restrict 4myself tothe particular showing made by said drawingand description; I may depart therefrom in several respects within the scope of the invention included in the claim following said description.

I The calk comprises a shank 2 and a point or foot 3,' the major portion of the upper surface of Said point or foot being; preferably flat so that said foot or point can obtain a solid, firm bearing upon the outer surface of a heel, sole or other part to thereby limit the vibration of the calk. The foot or point 3 comprises two portions 4 and 5, both of which are conical or on a downward taper,

the portion 5 being arranged above or behind the portion I4 and being: of less pitch than the portion 4, by reason of which there is produced at the upper part of the point c EFIFFER MANUFACTURING- COMPANY Speccaton of Letters Patent: Application filed kroiiember l5, 1911. Serial No. 660,381.

,or Hnmiiom), CONNECTICUT, A .contienn-l Bonr on snon'eniae a reinforcing or strengthening shoulder which, as will be evident, is close to the shank 2 where additional strength is required. To further add to the strength of the device I form at the junction of the shank 2 and point'a [illet 6. The portions iV and 5 arealso connected by a fillet 1 which adds to thestrength of the vpoint or The portion 4, as will be clear, is upon a, very sharp or decided angle, and in the present case constitutes the penetrating part or point proper of the calli.

Preferably, but not necessarily, the shank 2 is upon an upward taper, and it is provided with a series of superposed circular or annular beads or ribs 8. These beads in the construction shown are frusto-conical in shape, and in the present instance commencing with the lowerinost one, they are of pro'- gressively decreasing diameter to thus conform approximately to the upward taper of the shank 2, as by tapering said shank I find that it can be. very readily driven in a previously formed hole which can be made with an auger or other suitable instrument. The lateral portions of thc respective beads or ribs 8 are on a downward slant which is less than that of the taper of the shank, while the under flat surfaces of said beads are at right angles to the lon itudinal aXis ofthe shank, by reason of which latter feature I can secure the maximum holding etl'ect of said ribs upon the wall of said Vpreviously formed hole. To further increase the strength of the calk I may forni linderneath each rib at its junction with t-lie shank a fillet 9.

The head of the shank 2 comprises the PatentediApr. 2, 1912 cylindrical portion 1() and the cone pointed I portion 11 surmounting the saine or at the top of the shank. The part 12 in which the shank of the calk is driven may be the sole or heel of a boot, shoe or any other article of footwear, or in fact any article with which a calk can be associated. Previously to applying the calk the part 12 has formed therein a hole, and into this hole the shank 2 is driven. By havin(y the cone per end 11 the introduction or insertion of the shank into the said hole is materially facilitated. vPreferably, but not necessarily,

the diameter of the cylindrical portion 10 is substantially the same as that of said hole,

pointed upso'that when theishank is in place .er has beendriven home, the sui-fece of said cylindrical portion can lie closely against the ,Wall oit the hole and thus e'eetually prevent 5 movement sidewiseV of the shank in the hole. This action Wili'be aided bythe upper fiat surface' of the point 3 which engages the' under or outer surface ofthe part 12. Therefore,not'on v is side motion of the eak prevented, but its accident-ei withdrawal from piace is most effect-nelly resisted. 4The calk is also espeeiaiiy strong. It Will 'be rememljbeifed that I have called attention jto the k""aet that the upper surface of thev point 3 15 of the ealk is iiatand havev set orthan advantage for-this feature. In addition to the fpoi'nt to which attention has already been :called I might add that this surface consti-v tutes a shouide' to pevent said point 3 being driven into the soie or heei of the shoe and therefore prevents the upper pointed p0rtion 11 'of the shank from' passing though the sole or heel of the shoe and coming in Contact with the foot of the wearer. i

"What 'I claim is: y A calk comprising an upwardly tapered shankqand a point, said shank having a series of' superposed annular ribs of inverted which are at right angles to the longitudinal axis of the shank and said ribs from the vloweifirnost one being of progressively del lcreasing diameter toward the top of the shank and said shank having a head eom prsing a cylindrical portion and a tapered 'pointed portion surmounting sai cylindri- .truste-conical form, the under surfaces of

US66038111A 1911-11-15 1911-11-15 Boot or shoe calk. Expired - Lifetime US1022106A (en)

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US66038111A US1022106A (en) 1911-11-15 1911-11-15 Boot or shoe calk.

Applications Claiming Priority (1)

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US66038111A US1022106A (en) 1911-11-15 1911-11-15 Boot or shoe calk.

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4528783A (en) * 1982-03-03 1985-07-16 Mentor Dynamics Limited Method of securing a lining to a substrate
WO1987006117A1 (en) * 1986-04-14 1987-10-22 Trek Medical Products Retinal tack and method for implanting same
US4712550A (en) * 1985-04-08 1987-12-15 Sinnett Kevin B Retinal tack
US4718802A (en) * 1985-05-08 1988-01-12 Rockenfeller Kg Befestigungselemente Sawtooth-profile nail
US4941788A (en) * 1988-08-03 1990-07-17 P.S.M. International Plc Screw threaded fasteners
US5007511A (en) * 1989-11-02 1991-04-16 Dana Corporation Bi-directional back stopping clutch
US5433043A (en) * 1992-04-11 1995-07-18 Richard Burbidge Limited Wall mounted board assembly and method
US20110192054A1 (en) * 2009-12-08 2011-08-11 Wojnar Christopher J Traction enhancing devices for footwear assemblies

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4528783A (en) * 1982-03-03 1985-07-16 Mentor Dynamics Limited Method of securing a lining to a substrate
US4712550A (en) * 1985-04-08 1987-12-15 Sinnett Kevin B Retinal tack
US4718802A (en) * 1985-05-08 1988-01-12 Rockenfeller Kg Befestigungselemente Sawtooth-profile nail
WO1987006117A1 (en) * 1986-04-14 1987-10-22 Trek Medical Products Retinal tack and method for implanting same
US4941788A (en) * 1988-08-03 1990-07-17 P.S.M. International Plc Screw threaded fasteners
USRE34928E (en) * 1988-08-03 1995-05-02 P.S.M. International Plc Screw threaded fasteners
US5007511A (en) * 1989-11-02 1991-04-16 Dana Corporation Bi-directional back stopping clutch
US5433043A (en) * 1992-04-11 1995-07-18 Richard Burbidge Limited Wall mounted board assembly and method
US20110192054A1 (en) * 2009-12-08 2011-08-11 Wojnar Christopher J Traction enhancing devices for footwear assemblies
US8745897B2 (en) * 2009-12-08 2014-06-10 Lacrosse Footwear, Inc. Traction enhancing devices for footwear assemblies

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