IP Library Granted Patent US 8,764,306
Granted Patent B2
US 8,764,306 · App. 13/397,151 · Granted Jul 1, 2014

Multi-row rolling bearing

View Patent ↗
Loading inventors, assignments & file history…
Monitor This Case
Get email alerts when status or documents change.
Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this patent's details
Quick Facts
Patent No.
US 8,764,306
App. No.
13/397,151
Granted
Jul 1, 2014
Kind
B2
Abstract

A multi-row rolling bearing, which has a cage for rows of rolling elements that is detachably connected to a respective adjoining cage. For assembly and safety of assembly, the detachable connection between the cages is at least one predetermined breaking point.

Claims (8)

1. A multi-row rolling bearing, comprising:

a first cage for at least one row of rolling elements; and

a second cage for at least one row of rolling elements, the first cage being detachably connected to the second cage by a detachable connection,

wherein the first cage, the second cage, and the detachable connection are formed as one continuous single piece, and the detachable connection is a retaining strip that extends axially between the first cage and the second cage and comprises at least one predetermined breaking point, the retaining strip having a constant radial thickness over an entire length of the retaining strip, where the radial thickness is measured in a radial direction of the bearing, and

wherein the retaining strip is inset from inner and outer radial surfaces of at least one of the first cage and the second cage.

2. The rolling bearing according to claim 1 , wherein the first cage and the second cage for mounting of the rolling bearing form a pre-assembled unit.

3. The rolling bearing according to claim 1 , wherein the first cage, the second cage, and the detachable connection are plastic injection molded parts.

4. The rolling bearing according to claim 1 , wherein the rolling elements of the first cage are dimensioned differently and/or shaped differently from the rolling elements of the second cage.

Assignments (4)
CORRECTIVE ASSIGNMENT TO CORRECT THE PROPERTY NUMBERS PREVIOUSLY RECORDED ON REEL 037732 FRAME 0347. ASSIGNOR(S) HEREBY CONFIRMS THE APP. NO. 14/553248 SHOULD BE APP. NO. 14/553258. Recorded Oct 11, 2016
From: SCHAEFFLER TECHNOLOGIES GMBH & CO. KG
To: SCHAEFFLER TECHNOLOGIES AG & CO. KG
Reel/Frame 040404/0530 →
CHANGE OF NAME Recorded Feb 5, 2016
From: SCHAEFFLER TECHNOLOGIES GMBH & CO. KG
To: SCHAEFFLER TECHNOLOGIES AG & CO. KG
Reel/Frame 037731/0834 →
MERGER AND CHANGE OF NAME Recorded Feb 5, 2016
From: SCHAEFFLER TECHNOLOGIES AG & CO. KG; SCHAEFFLER VERWALTUNGS 5 GMBH
To: SCHAEFFLER TECHNOLOGIES GMBH & CO. KG
Reel/Frame 037732/0228 →
CHANGE OF NAME Recorded Feb 5, 2016
From: SCHAEFFLER TECHNOLOGIES GMBH & CO. KG
To: SCHAEFFLER TECHNOLOGIES AG & CO. KG
Reel/Frame 037732/0347 →