IP Library Granted Patent US 11,940,033
Granted Patent B2
US 11,940,033 · App. 17/507,926 · Granted Mar 26, 2024

Two piece plastic dirt shield for shock absorbers

Inventors: Michal Andrzej Nowak (Ruda Slaska, PL); Tomasz Gorski (Laziska Gorne, PL); Jan Wojtowicz (Bobrowniki, PL); Mateusz Bibrzycki (Ruda Slaska, PL)
Assignee: DRiV Automotive Inc.
F16F9/38F16F9/19F16F2226/044F16F2226/045F16F2230/0005F16F2230/0023
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Quick Facts
Patent No.
US 11,940,033
App. No.
17/507,926
Granted
Mar 26, 2024
Kind
B2
Abstract

A dirt shield for shock absorbers having a piston assembly and a cylinder member with a metal dirt shield cap connected to a rod of the piston assembly. A plastic dirt shield bracket is adapted to be fixed to the metal dirt shield cap and includes a first portion and a second portion hingedly connected to one another. A dirt shield tube is connected to the plastic dirt shield bracket.

Claims (11)

1. A shock absorber assembly, comprising:

a cylinder member;

a piston member received in the cylinder member and connected to a rod extending from the cylinder member and including a metal dirt shield cap connected to the rod, the metal dirt shield cap including a radially extending retainer portion engaging the rod and a cylindrical portion axially extending therefrom;

a plastic dirt shield bracket fixed to the metal dirt shield cap and having a first portion and a second portion hingedly connected to one another; and

a dirt shield tube connected to the plastic dirt shield bracket,

wherein the plastic dirt shield bracket includes a first radially inwardly extending flange positioned adjacent to the retainer portion and a second radially inwardly extending flange positioned adjacent to an end face of the cylindrical portion such that the metal dirt shield cap is received therebetween.

2. The shock absorber assembly according to claim 1 , wherein the plastic dirt shield bracket includes an alignment structure that engages the rod and is axially spaced from the first radially inwardly extending flange and the second inwardly extending flange.

3. The shock absorber assembly according to claim 1 , wherein the dirt shield tube is press fit on an outer surface of the plastic dirt shield bracket.

4. The shock absorber assembly according to claim 1 , wherein the dirt shield tube is snap fit on the plastic dirt shield bracket.

5. The shock absorber assembly according to claim 1 , wherein the plastic dirt shield bracket includes a latch member for securing the first portion and the second portion of the plastic dirt shield in a closed position.

6. The shock absorber assembly according to claim 1 , wherein the plastic dirt shield bracket includes an inner cylindrical surface positioned adjacent to and circumscribing the cylindrical portion of the metal dirt shield cap.

Assignments (4)
CHANGE OF NAME Recorded Aug 20, 2025
From: DRIV AUTOMOTIVE INC.
To: ADVANCED SUSPENSION TECHNOLOGY LLC
Reel/Frame 072553/0175 →
PATENT SECURITY AGREEMENT (ABL) Recorded Apr 7, 2023
From: TENNECO INC.; DRIV AUTOMOTIVE INC.; FEDERAL-MOGUL CHASSIS LLC; FEDERAL-MOGUL IGNITION LLC; FEDERAL-MOGUL MOTORPARTS LLC; FEDERAL-MOGUL POWERTRAIN LLC; FEDERAL-MOGUL WORLD WIDE LLC; TENNECO AUTOMOTIVE OPERATING COMPANY INC.; THE PULLMAN COMPANY
To: CITIBANK, N.A., AS COLLATERAL AGENT
Reel/Frame 063268/0506 →
NOTICE OF GRANT OF SECURITY INTEREST IN PATENTS (FIRST LIEN) Recorded Nov 22, 2022
From: DRIV AUTOMOTIVE INC.; FEDERAL-MOGUL CHASSIS LLC; FEDERAL-MOGUL IGNITION LLC; FEDERAL-MOGUL MOTORPARTS LLC; FEDERAL-MOGUL POWERTRAIN LLC; FEDERAL-MOGUL WORLD WIDE LLC; TENNECO AUTOMOTIVE OPERATING COMPANY INC.; TENNECO INC.; THE PULLMAN COMPANY
To: CITIBANK, N.A., AS COLLATERAL AGENT
Reel/Frame 061989/0689 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Oct 22, 2021
From: NOWAK, MICHAL ANDRZEJ; GORSKI, TOMASZ; WOJTOWICZ, JAN; BIBRZYCKI, MATEUSZ
To: DRIV AUTOMOTIVE INC.
Reel/Frame 057873/0883 →
Continuity (1)
Related Publication 20230128428A1 · Apr 27, 2023