IP Library Granted Patent US 7,857,520
Granted Patent B2
US 7,857,520 · App. 11/910,803 · Granted Dec 28, 2010

Collar having end-side teeth for a drivable wheel hub

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Quick Facts
Patent No.
US 7,857,520
App. No.
11/910,803
Granted
Dec 28, 2010
Kind
B2
Abstract

A collar, made from plastically deformed material, of a hub. The collar holds at least one inner ring of a wheel bearing unit on the hub in an axially fixed manner. Also, end-side teeth, are formed in the collar for engaging in a mating toothing.

Claims (12)

1. A collar made from material of a hub which is subjected to cold plastic shaping and with which at least one inner ring of a wheel bearing unit is secured axially in a fixed fashion on the hub, and in which teeth for engagement in a mating soothing are formed at the end, comprising:

the teeth are adjacent to one another at the circumference around the rotational axis and are aligned radially lengthwise,

the contour of the teeth is represented in respective sections, extending through the tooth head along the rotational axis, as a line segment, wherein the line segment delineates the respective tooth head at the end,

the shortest radial distance between the end points of the line segment is at least of precisely the same size, when viewed in an axial projection of the line segment, as half the maximum length of the respective tooth in the radial direction when viewed in an axial projection.

2. The collar as claimed in claim 1 , in which the contour in the longitudinal sections:

is firstly described by a run-in contour, wherein the run-in contour extends radially from the tooth base outward toward the line segment rising over the rotational axis ,

the run-in contour then merges with the line segment at a radially inner end point of the end points,

and finally the line segment merges with a run-out contour from a radially outer end point of the end points toward the tooth base, wherein the run-out contour extends from the end point rising over the rotational axis,

wherein the run-in contour and the run-out contour each end at the tooth base side at a sectional point at which the tooth merges with the hub.

3. The collar as claimed in claim 2 , in which the radial distance between the radially outer end point and the radially outermost of the sectional points is at maximum as large, in the axial projection, as a third of the maximum length, considered in axial projection, of the respective tooth in the radial direction, wherein the length of the respective tooth is described by the distance between the sectional points.

4. The collar as claimed in claim 1 , in which the teeth are of wedge-shaped design such that the geometric lines of an end toothing meet centrally at a common point on the rotational axis.

5. The collar as claimed in claim 4 , in which the edges of the teeth which are provided for engagement in a mating toothing are inclined at an edge angle greater than 20° and less than 30° with respect to a virtual pitch plane starting from the rotational axis.

Assignments (6)
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 →
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 →
CHANGE OF NAME Recorded Jul 11, 2012
From: SCHAEFFLER TECHNOLOGIES GMBH & CO. KG
To: SCHAEFFLER TECHNOLOGIES AG & CO. KG
Reel/Frame 028533/0036 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jul 10, 2012
From: SCHAEFFLER KG
To: SCHAEFFLER TECHNOLOGIES GMBH & CO. KG
Reel/Frame 028523/0790 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Oct 5, 2007
From: LANGER, ROLAND; MASUR, ERNST; HEISS, RALF; FUELLER, BENNO; NIEBLING, PETER
To: SCHAEFFLER KG
Reel/Frame 019925/0848 →