Wiper connecting device

• US 8,707,506 B1
• Filed: 02/28/2013
• Issued: 04/29/2014
• Est. Priority Date: 12/26/2012
• Status: Active Grant

• Current Assignee: Shengzhu Wu
• Original Assignee: Shengzhu Wu
• Inventors: Wu, Shengzhu
• Primary Examiner(s): GRAHAM, GARY K
• Application Number:
  US13/779,749
• Time in Patent Office: 425 Days
• Field of Search: 152/503.2, 152/504.3, 152/504.4, 152/503.61, 152/503.1, 152/504.6, 152/502.01
• US Class Current: 15/250.32
• CPC Class Codes: B60S 1/4003 Multi-purpose connections for two or more kinds of arm ends
• CPC Class Codes: B60S 1/407 with means provided on the arm for locking the side pin
• CPC Class Codes: B60S 2001/4022 the element being provided with a locking element movable thereon
• CPC Class Codes: B60S 2001/4051 the intermediate element engaging the side walls of the arm
• CPC Class Codes: B60S 2001/4054 the intermediate element engaging the back part of the arm

Abstract

A kind of windshield wiper connecting device, disclosed by this utility model, is a combination of various parts whose joint may be applied to installation of different kinds of windshield wiper arms. The device has a base with a connector, on which mounts a functional n-shaped stop pad with a functional external cap above, so as to form an integral wiper joint that is mounted on the main body of various styles of wipers throughout a base. This utility model may connect different structures of wiper arms, greatly improving the wiper adaptation. It features easy assembly, disassembly and replacement.

Claims

1. A windshield wiper connecting device, including a base (100) and a corresponding connector (200), is characterized by:

the base (100), mounted on a wiper body, has a slot (101) between two side walls of the base (100);

a notch (102) is disposed at a lower part of each of the two side walls, through-hole circular bulge rings (104) are provided at outer sides of the two side walls;

the connector (200), whose bottom is an opening structure, is placed on the base (100), surfaces of two side walls of the connector (200) are terraced at their lower ends, and the connector (200) is composed of a connection main body (220) and a bulge half-ring head formed as a result of forward extension of the two side walls of the connection main body;

there is a lower concave surface (223) on a top face of the connection main body (220), inner notches (224) on two side faces of the connection main body (220), and segmented lateral margins (228) at lower part of two sides of the connection main body (220);

a bulge half-ring in front of the connection main body (220) is equipped with a movable cap (210), and each front end of two sides of the movable cap (210) has a bulge pressing block (211) extending therefrom;

the lower concave surface (223) on the top face of the connection main body (220) matches an n-shaped stop pad (300);

at two bottom inner sides of the stop pad (300), there are sticking points (301) that connect respectively with a corresponding inner notch of the inner notches (224) on the two sides faces of the connection main body (220);

at two bottom sides of the stop pad (300), there are flanged lips (303);

on two side faces of the stop pad (300), there are two notch stuck-bosses (302) respectively, and the two notch stuck-bosses (302) are also inner notches;

on two side surfaces of the connection main body (220), there are two straight-through circular holes (221) respectively matching the through-hole circular bulge rings (104) on the two side walls of the base (100);

width of a head part of the connector (200) is greater than width of the two sides of the connection main body (220).

2. The wiper connecting device as in claim 1, wherein the wiper connecting device also comprises a functional external cap (400), which buckles to an assembly of the connector (200) and the stop pad (300);

there is an opening (401) in the middle of a top surface of the functional external cap (400);

a straight-through hole (403) is provided on each of two sides of the functional external cap (400) at a position corresponding to a respective straight-through circular hole of the straight-through circular holes (221) on the connection main body (220);

through an end face at a trail part (404) and a resilient-strip stuck boss (226) on a back end of each of two sides of the connector (200), fixation is given to limit the functional external cap (400) from slipping out.

3. The wiper connecting device as in claim 2, wherein the two notch stuck-bosses (302) of the stop pad (300) match respectively with bulge sticking points (402) on the functional external cap (400).

4. The wiper connecting device as in claim 1, wherein in the middle of the connector (200) there is a resilient strip (222), inside which there is a stuck boss (230) there are arc-shaped retaining walls on two sides of the head part of the connector (200), front ends of the two retaining walls connect the movable cap (210);

a resilient-strip stuck boss (226) is provided at a back end of the connection main body (220);

an outward-bulge stuck-boss is provided a top surface of the back end of the connection main body (220);

there is a limit groove (231) inside the connection main body (220);

the limit groove (231) is capable to achieve position limiting function by cooperating with height-limiting ribs (232) provided at back part of the connection main body (220).

5. The wiper connecting device as in claim 4, wherein a passing slot (212) is provided inside the movable cap (210);

a limit baffle plate (213) is provided under the passing slot (212);

on the two sides of the movable cap (210) there are resilient strips (214), each of which has an outward-bulge sticking point buckled into a corresponding stuck slot on each of the retaining walls, and each stuck slot is located on an inner side face of a respective retaining wall of the retaining walls each provided with a semi-open resilient strip.

6. The wiper connecting device as in claim 1, wherein on the two side faces of the connection main body (220), the straight-through circular holes (221) matches the through-hole circular bulge rings into one and are capable of rotating within a certain angle.

7. The wiper connecting device as in claim 1, wherein the base (100) and a main body of the wiper are fixedly connected through a ditch groove at a bottom part of the base (100) or through riveting.