US2192870A - Ski fastening - Google Patents

Ski fastening Download PDF

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Publication number
US2192870A
US2192870A US165648A US16564837A US2192870A US 2192870 A US2192870 A US 2192870A US 165648 A US165648 A US 165648A US 16564837 A US16564837 A US 16564837A US 2192870 A US2192870 A US 2192870A
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United States
Prior art keywords
jaws
boot
ski
plate
recesses
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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.)
Expired - Lifetime
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US165648A
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English (en)
Inventor
Schwarze Paul
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Individual
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Individual
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Publication date
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Publication of US2192870A publication Critical patent/US2192870A/en
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Classifications

    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63C—SKATES; SKIS; ROLLER SKATES; DESIGN OR LAYOUT OF COURTS, RINKS OR THE LIKE
    • A63C9/00—Ski bindings
    • A63C9/16—Non-self-releasing bindings without straps, but with guiding cheeks

Definitions

  • the attachment of the ski to the boot is generally effected by forcing the front part of the boot between jaws and securing the boot in this position by a thong passed and tightened around the heel.
  • the defects of this arrangement are the necessity of providing very thick and stiff soles for the boots, the great stresses to which the soles are exposed and the fact that the ski is inconvenient to attach and detach. Numerous attempts to provide thongless ski fastenings have so far not produced any practical results.
  • the boot is provided with a sole plate having lateral pins which are adapted to become engaged in recesses of the jaws and which are secured in the latter by a special movable and spring actuated member. This member must be withdrawn by hand when the boot is introduced or released which makes the arrangement impracticable. It is also dangerous because the boot is not automatically released at a fall.
  • the present invention is an improvement over and above the prior propositions. It provides a fastening wherein the thong is eliminated, whereby the thick sole for the boot is rendered unnecessary and the ski may be attached or detached in the simplest possible manner without any bending or manipulation by hand.
  • a plate is fixed to the front part of the boot sole, said plate being so formed that it may be introduced from above in an inclined position between guide jaws mounted on the ski and becomes automatically coupled to the jaws when the heel of the boot is lowered.
  • This is effected by pins mounted on the sole plate becoming engaged in recesses in the guide jaws, wherein they are rotatable, coupling being effected upon lowering of the boot heel by the co-operation of projections provided on the sole plate with the edges of the jaws, or of recesses in the sole platewith projections provided on the jaws.
  • Fig. l is a side elevation of a guide jaw
  • Fig. 2 is a plan view of the sole plate, coupled to the guide jaws, the latter being .shown in horizontal section on the line 2 2 of Fig. l.
  • Fig. 3 is a side elevation of another embodiment of the guide jaw with sole plate coupled thereto.
  • Fig. 4 is a rear elevation of the guide jaw, the position of the sole plate with the boot being indicated.
  • Fig. 5 is a section of another embodiment of the guide jaws.
  • Fig. 6 is a plan view of the sole plate for the jaws shown in Fig. 5, and
  • Fig. '7 is a side view of another embodiment of 5 the sole mountings.
  • Fig. l the ski is indicated at l, its forward part being on the left of the drawing.
  • the guide jaws 2 secured thereto have at their front part, i i. e. at the part nearer to the tip of the ski, sub- 10 stantially semicircular recesses 3, the arcuate front edge d of the jaws being struck from the same centre as the arcuate portion of the recess 3.
  • Fig. 2 5 is the sole plate which is provided with lateral pins 6 and projections l'.
  • the pins 6 Upon introduction of the sole plate from above, approximately in the position indicated by the arrow in Fig. 1, the pins 6 become engaged in the recesses 3 of the guide jaws and when the boot heel is depressed the projections I bear against the front edge 4, so that coupling is effected. It is useful to extend the sole plate forwardly beyond the pins 6 to form a short extension I0 and to taper this extension forwardly, since this facilitates introduction between the guide jaws.
  • Figs. 5 and 6 show the embodiment in which the sole plate 5 is provided with recesses l2 and the jaws on their inner sides with corresponding projections I3, the coupling parts in this case being located in front of the pivot point 3.
  • the pins 6 enter the recesses 3 and when the heel is depressed the recesses I2 become coupled to the pro- 40 jections I3.
  • I4 is a spring which, after the boot is fixed between the jaws, forces the front part of the sole plate upwards thereby causing the heel of the boot to be pressed to the rear part of the ski, whereby a good control of the ski is ensured.
  • the sole plate 5 ⁇ is conveniently so constructed that its edges bear against the inner sides of the guide jaws and are guided thereby, as shown in Fig. 2. Particularly good support is necessary for sliding downwards and this is obtained, even after wear, if on the inner side of the jaws springs are mounted.
  • recesses il may be proadapted to vided for the springs in the sole plate, as shown in the upper half of Fig. 2.
  • the springs are shown in Figs. 1 and 4, in the latter unloaded on the right hand side and loaded by the plate 5 on the left hand side, the boot being indicated at 9.
  • the springs may be provided in a detachable manner, since it is easier to walk uphill without them.
  • the lateral pins 6 may be substituted by a shaft disposed in front of the boot and the projections I may engage in grooves or other recesses or stepped portions of the jaws. It is also possible to unite the pins 6 and projections 7 in Fig. 2 in such a way that there is only one extended projection on either side of the plate, the front edge of which is of semi-circular shape, as shown in Fig. 7.
  • the ski binding according to the invention enables the ski to be attached and detached in a particularly simple manner. Then the ski is on the ground the boot with the sole plate is slightly raised towards the rear and is introduced with the tip between the jaws, then slightly pushed forward together with the ski and the heel is depressed.
  • the detachment of the ski is equally simple. Accidental detachment is impossible if the angle of introduction of the sole plate between the jaws is made so great as to be greater than the angle assumed by the boot in climbing and sliding downwards. On the other hand, at the rather' dangerous forward fall the skis are released automatically.
  • Ski fastening comprising jaws on the ski provided with recesses; a plate secured to the front part of the boot provided with pins and adapted to be introduced in an inclined position from above between the jaws, whereby the pins of said plate become engaged in the recesses of said jaws; and additional means on said plate become automatically coupled with corresponding means on said jaws when the heel of the boot is lowered.
  • Ski fastening comprising jaws on the ski provided with recesses; a plate secured to the front part of the boot ⁇ provided with pins and adapted to be introduced in an inclined position from above between the jaws, whereby the pins of said plate become engaged in the recesses of said jaws; and projections on said plate adapted to bear against the edges of said jaws, when the heel of the boot is lowered, thereby eiecting coupling.
  • Ski fastening comprising jaws on the ski provided with recesses; a plate secured to the front part of the boot provided with pins and adapted to be introduced in an inclined position from above between the jaws, whereby the pins of said plate become engaged in the recesses of said jaws; projections on the inner sides of said jaws; and recesses on said plate adapted to be engaged with the projections on said jaws, when the heel of the boot is depressed, thereby effecting coupling.
  • Ski fastening comprising jaws on the ski provided with recesses; a plate secured to the front part of the boot provided with pins for engagement with the recesses in said jaws and adapted to be introduced in an inclined position from above between the jaws and to bear against their inner sides, when the heel of the boot is depressed, thereby being guided by said jaws; and means on said plate and jaws for their automatic coupling when the heel of the boot is lowered.
  • Ski fastening comprising jaws on the ski provided with recesses; a plate secured to the.:
  • front part of the boot provided with pins and adapted to be introduced in an inclined position from above between the jaws, whereby the pins of said plate become engaged in the recesses of said jaws; means on said plate adapted to effect coupling with corresponding means on said jaws, when the heel of the boot is lowered; and a forwardly tapering extension to said plate in front of the pivot pins.
  • Ski fastening comprising jaws on the ski provided with recesses; a plate secured to the front part of the boot provided with pins and adapted to be introduced in an inclined position from above between the jaws, whereby the pins of said plate become engaged in the recesses of said jaws; means on said plate adapted to eiTect coupling with corresponding means on said jaws, when the heel of the boot is lowered; and detachable springs on the inner sides of said Jaws.
  • Ski fastening comprising jaws on the ski provided with recesses; a plate secured to the 4front part of the boot provided with pins and adapted to be introduced in an inclined position from above between the jaws, whereby the pins of said plate become engaged in the recesses of said jaws; means on said plate adapted to effect coupling with corresponding means on said jaws, when the heel of the boot is lowered; and a spring under the front part of said plate adapted to force the heel of the boot downwards.
  • Ski fastening comprising jaws on the ski provided with recesses; and mountings secured to the front part of the boot provided with an extended projection on either side, said mountings being adapted to be introduced in an inclined position from above between the jaws, whereby the front edges of said projections become engaged in the recesses of said jaws and the rear edges of said projections bear against the edges of said jaws when the heel of the boot is lowered, thereby effecting coupling.

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  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
US165648A 1936-10-06 1937-09-25 Ski fastening Expired - Lifetime US2192870A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE197612X 1936-10-06

Publications (1)

Publication Number Publication Date
US2192870A true US2192870A (en) 1940-03-05

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Family Applications (1)

Application Number Title Priority Date Filing Date
US165648A Expired - Lifetime US2192870A (en) 1936-10-06 1937-09-25 Ski fastening

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US (1) US2192870A (de)
CH (1) CH197612A (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2433161A (en) * 1939-08-09 1947-12-23 Schwarze Paul Ski fastening

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2433161A (en) * 1939-08-09 1947-12-23 Schwarze Paul Ski fastening

Also Published As

Publication number Publication date
CH197612A (de) 1938-05-15

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