Telescopic cleaning device
US10919501B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 24, 2018 |
| Grant date | Feb 16, 2021 |
| Priority date | — |
| Expiry date | Sep 29, 2038 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01S2007/4977
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A telescopic cleaning device, for a glass surface to be cleaned of a motor vehicle, includes at least one hollow conveying body (5) for the cleaning fluid, closed at an upstream end by an inlet flange (12) and accommodating a movable piston (8) which is configured so as to slide in said hollow conveying body (5).The hollow conveying body (5) additionally accommodates a rod (14) which extends jutting out from the inlet flange and around which the movable piston is capable of sliding, the movable piston and/or the rod being configured so as to allow the fluid to flow between them from the inlet flange to the distribution element.The rod comprises a heating device (22), which comprises at least one heating element (24) extending in the interior of a heat conducting tube (26), along the axis of elongation (X) of the device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.