Assembly including a ratchet device and a tightening strap

Inactive Publication Date: 2010-07-01
SALOMON SA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

[0013]In view of the foregoing, the invention reduces, or even eliminate, wear on the serrations. The invention also optimizes the meshing of the driving end of the lever wi

Problems solved by technology

For example, the serrations wear out over time, in particular in the zone in which tightening of the strap is the strongest.
A lack of progressiveness in strap tightening can also be noted, such lack of progressiveness increasing as

Method used

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  • Assembly including a ratchet device and a tightening strap
  • Assembly including a ratchet device and a tightening strap
  • Assembly including a ratchet device and a tightening strap

Examples

Experimental program
Comparison scheme
Effect test

Example

[0037]A first embodiment of the invention is described herein with reference to FIGS. 1 to 8.

[0038]As shown in FIG. 1, an assembly includes a snowboard binding 1, in the form of a “strap-in” binding, provided to retain a boot on a snowboard 3. Additional examples of such bindings are disclosed in commonly owned U.S. Pat. No. 6,405,457 and U.S. Pat. No. 7,036,830, and U.S. Patent Application Publication No. 2005 / 0046150, the disclosures of which are hereby incorporated by reference thereto in their entireties.

[0039]In a known manner, the binding 1 has a baseplate 4, as well as a lateral edge 5 and a medial edge 6, the lateral and medial edges extending upwardly from the baseplate, the edges being connected to one another by an arch 7, or heel loop.

[0040]The baseplate 4 extends along a longitudinal direction L1 of the binding, between a front end 8 and a rear end 9.

[0041]A first linkage 11, or strap, and a second linkage 12, or strap, are provided to removably retain the boot on the b...

Example

[0080]Thus, the second embodiment, according to FIG. 9, features a strap 11 having a cap 13, a band 14 and a tightening device 15. The latter also includes a pawl 40, a lever 43, and a release button 50.

[0081]What is specific to the second embodiment is that the driving lever 43 and the release button 50 are articulated about a common axis 47, i.e., about the same axis. This arrangement simplifies the structure of the tightening device 15.

Example

[0082]The third embodiment, according to FIG. 10, distinguishes over the other embodiments by the shape of the teeth 29 of the band 14. The shape of the teeth of the pawl and of the lever is similar to that of the band. In fact, each tooth 29, 42, 46 of the band 14, the pawl 40, and the lever 43 has the general shape of a curve, in particular in the area of the meshing surface 30. For example, the curve can be a circular arc, a parabolic arc, or the like. A curved shape provides continuity to each tooth, in particular at the meshing surface 30. Here again, each tooth is transversely symmetrical.

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PUM

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Abstract

An assembly including a ratchet tightening device and a band. The device includes a base, a driving lever, and a pawl. For at least one tooth of a series of serrations of the band, at least one straight line tangent to the meshing surface of the tooth and parallel to the band, forms, together with the longitudinal direction of the band, an angle that is less than 90 degrees. A driving end of the lever is configured to cooperate with the serrations of the band. A retaining zone of the pawl is configured to cooperate with the serrations of the band.

Description

CROSS-REFERENCE TO RELATED APPLICATION[0001]This application claims priority under 35 U.S.C. §119 of French Patent Application No. 08 07414, filed on Dec. 23, 2008, the disclosure of which is hereby incorporated by reference thereto in its entirety.BACKGROUND[0002]1. Field of the Invention[0003]The invention relates to an assembly including a ratchet tightening device and a strap, as used on clothing or sports articles.[0004]Assemblies of this type are used to reversibly tension elements such as flaps of a shoe or boot, pieces of fabric, or the like.[0005]2. Description of Background and Other Information[0006]An example of an application of the aforementioned field of the invention is that relating to snowboarding. Certain snowboard bindings include one or more straps for removably retaining a boot on a base of the binding.[0007]A strap generally includes a band, a cap, and a ratchet tightening device affixed to the cap. The length of the strap is adjusted by moving the band with r...

Claims

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Application Information

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IPC IPC(8): A43C11/14A63C9/00A63C10/06
CPCA43C11/1453A43C11/1486A63C10/06Y10T24/2113
Inventor RANCON, HENRI
Owner SALOMON SA
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