# US 2014/0196240 A1 · Hydraulic connector for a windshield wiper blade having a retractable button > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2014/0196240 A1 - Document ID: US20140196240A1 - Status: Published application - Kind: A1 - Application number: 14/160,043 - Filed: 2014-01-21 - Published: 2014-07-17 - Earliest claimed: 2010-12-02 - Assignees: Valeo Systèmes d'Essuyage - Applicants: Valeo Systèmes d'Essuyage - Inventors: Giuseppe Grasso; Florent Delfosse - Web page: https://patentgrep.com/patent/US20140196240A1 ## CPC - B60S 1/524: {arranged in wiper blades} - B60S 1/3862: {Transport of liquid there through} - B60S 1/4048: {the element being provided with retention means co-operating with the channel-shaped end of the arm} - B60S 2001/4054: {the intermediate element engaging the back part of the arm} - Y10T 29/49947: by applying separate fastener - B60S: SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR - Y10T: TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION ## Abstract A hydraulic connector for a wiper system includes an end part of an arm extending in a longitudinal direction, a blade, a mechanical connector fixed to the blade for attaching the blade to the arm, and at least one pipe for conveying a liquid to the blade via the mechanical connector and at least one button intended to connect the hydraulic connector to the end part in a standby position. The button is retractable so as to allow movement of the hydraulic connector with respect to the end part. ## Claims ### Claim 1 A hydraulic connector for a wiper system, the connector comprising: an end part of an arm extending in a longitudinal direction; a blade; a mechanical connector fixed to said blade for attaching the blade to the arm; and at least one pipe for conveying a liquid to the blade via the mechanical connector and at least one first blocking means intended to connect the hydraulic connector to the end part in a standby position, wherein said first blocking means is retractable so as to allow movement of the hydraulic connector which respect to the end part. ### Claim 2 (depends on 1) The hydraulic connector as claimed in claim 1, wherein the first blocking means is able to block a translational movement between the hydraulic connector and the end part, said first blocking means being able, in the standby position, to collaborate with a second blocking means borne by said end part to allow attachment to the mechanical connector in a first part of the translational movement thereof, said first blocking means being retractable in a direction perpendicular to said translational movement so as to allow the hydraulic connector to be freed from the standby position and move in conjunction with said mechanical connector in a second part of its translational movement to move into a position of use. ### Claim 3 (depends on 1) The hydraulic connector as claimed in claim 1, wherein the first blocking means is a flexible tab bearing a button at an end and extending along one face of said connector, said face being oriented in said longitudinal direction. ### Claim 4 (depends on 2) The hydraulic connector as claimed in claim 2, wherein the pipes are connected by a block having at least one external surface with generatrices directed parallel to the direction of said translational movement and which surface is intended to collaborate with a base of the end part. ### Claim 5 (depends on 4) The connector as claimed in claim 4, wherein said external surface is planar. ### Claim 6 (depends on 1) The hydraulic connector as claimed in claim 1, further comprising a first support means extending longitudinally and able to collaborate with a second support means positioned on said end part, so as to keep the external surface of said hydraulic connector pressed against the base of the end part. ### Claim 7 (depends on 6) The hydraulic connector as claimed in claim 6, wherein the first support means is a finger and in that the second support means is a rail borne by said end part and extending longitudinally. ### Claim 8 (depends on 1) The hydraulic connector as claimed in claim 1, further comprising an edge face able to collaborate with a ridge borne by said end part to form an end stop for said hydraulic connector with respect to said end part. ### Claim 9 (depends on 1) The hydraulic connector as claimed in claim 1, further comprising a protrusion able to be forced into a recess borne by the mechanical connector. ### Claim 10 (depends on 8) The hydraulic connector as claimed in claim 8, wherein said protrusion is a cylindrical journal extending laterally with respect to the hydraulic connector. ### Claim 11 (depends on 1) A device for connecting a wiper system, comprising: an end part positioned at the end of an arm extending in a longitudinal direction; a blade; a mechanical connector fixed to said blade for its attachment to the arm via an adaptor interposed between the end part and the mechanical connector; and a hydraulic connector as claimed in claim 1. ### Claim 12 (depends on 11) The connection device as claimed in claim 11, wherein the end part comprises at least one second support means extending in the longitudinal direction and a first end of which forms an end stop for a corresponding end stop positioned on the adaptor in a position of use and the other end of which forms an end stop for an edge face made on the hydraulic connector in a standby position. ### Claim 13 (depends on 12) The device as claimed in claim 12, wherein the second support means is formed of a rail extending in the longitudinal direction and on which the hydraulic connector slides. ### Claim 14 (depends on 11) The device as claimed in claim 11, wherein the hydraulic connector comprises an external surface, the end part comprises a base and a second support means extending parallel to the base and distant therefrom by a length such that it keeps the external surface pressed against the base during a translational movement between the hydraulic connector and the end part. ### Claim 15 (depends on 11) The connection device as claimed in claim 11, wherein the adaptor comprises a fifth blocking means for its attachment to the end part able to collaborate with a second blocking means in a position of use, said first blocking means being retracted in this position. ### Claim 16 (depends on 11) A method of assembling a device as claimed in claim 11, starting from a standby position in which the hydraulic connector is attached to the end part and held longitudinally in position with respect to the end part by the collaboration at least of the first blocking means with a second blocking means, the method comprising: alignment on the end part of the mechanical connector equipped with an adaptor bearing a fifth blocking means; longitudinal pressing of said mechanical connector into an internal volume of the end part until the mechanical connector comes into abutment against the hydraulic connector; retraction of the first blocking means to free the first blocking means from the second blocking means; and continued longitudinal pressing on the mechanical connector, associated with the hydraulic connector, until the fifth blocking means collaborates with a corresponding blocking means positioned on the end part.