| US 7,461,429 B2 | ||
| Vehicle windshield wiper for rain and snow dual purpose | ||
| Shih-Hsien Huang, 7F.-2, No. 37, Jhengsin St., Zuoying District, Kaohsiung City 813 (Taiwan) | ||
| Filed on Apr. 17, 2007, as Appl. No. 11/785,278. | ||
| Claims priority of application No. 96109288 A (TW), filed on Mar. 16, 2007. | ||
| Prior Publication US 2008/0222832 A1, Sep. 18, 2008 | ||
| Int. Cl. B60S 1/38 (2006.01) | ||
| U.S. Cl. 15—250.43 [15/250.44; 15/250.32; 15/250.451; 15/250.201] | 3 Claims |
| 1. A dual purpose vehicle windshield wiper for rain and snow comprises:
a bow elastic strip, made of a downwardly bowed elastic metal strip, has a pair of lengthwise symmetrical rivet bores punched
in the center thereof and a plurality of round holes punched and distributed in even space manner endwise as well as some
oblong hollow pressure adjusting vents perforated thereon;
some detachable clamping devices, corresponding to said round holes on the bow elastic strip, each have a hollow round jut
with an aperture being slightly smaller than that of a corresponding one of the plurality of round holes configured in a center
of a top side and a pair of parallel symmetrical bent inwards clamping angles juxtaposed downwards at a bottom portion thereof;
a strip scraper receptacle, made of flexible plastics by unitary-molding into an integral body with a shape of a flat hollow
bar, has a central parallel elongated gap extending through both ends and a pair of parallel symmetrical bent inwards hooked
jut strips juxtaposed along both longitudinal lateral sides of the elongated gap as well as a snap-on hole respectively punched
at each end thereof;
a sheath cover, made of flexible elastic material by unitary-molding into an integral body with a shape of a tubular hollow
bar, has a flat surface formed on an upper portion with a long central attachment plus two short end attachments and a pair
of parallel symmetrical elongated flutes juxtaposed inside of both internal longitudinal lateral sides for receiving the bow
elastic strip as well as an elongated groove extending through both ends thereof;
a strip scraper, made of flexible elastic material by unitary-molding into an integral body, has a pair of parallel symmetrical
elongated grooves juxtaposed outwards along both longitudinal lateral sides for by receiving the pair of said hooked jut strips
on the strip scraper receptacle and a pair of parallel symmetrical elongated jut strips connected together and juxtaposed
above thereof along an upper portion as well as an elongated scraper blade having a downwardly oriented ridge configured at
a bottom portion thereof;
two end ferrule caps, hollow cuboid in form and having a front open end and a back close end, a sectional shape of the open
end correspondingly shaped with a size slightly bigger than that of the sheath cover and a horizontal elastic snap-on nose
facing said open end configured inside a wall of said close end; and
a truss saddle, configured to fix the wiper on an end of a wiper arm via a wiper jointer, has flat bottom to closely affix
on the long central attachment of the sheath cover and firmly riveted together with the bow elastic strip by two rivets.
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