Patent US3834247A successfully refreshed from Google Patents.
US3834247A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Toothed rack for a rack-and-pinion steering gear of motor vehicles
Assignee: Individual
•
Filing: 1973-04-17
•
Granted: 1974-09-10
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Expires: 1993-04-17
Abstract
Abstract The toothed rack is constructed from a base having a hollow profile into which the toothed segment is fixedly mounted.
Inventors
- 👤 M Belsdorf
- 👤 K Stuck
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 06:48
CPC Classifications
B; B62; B62D; B62D3/00; B62D3/02; B62D3/12; F; F16; F16H; F16H55/00; F16H55/02; F16H55/26; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19642; Y10T74/1967; Y10T74/1987; Y10T74/19893
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
29 words
A rack-and-pinion steering gear comprising a rack means having a recess formed therein, a toothed segment inserted into said recess for forming a toothed rack for said steering arrangement.
Claim 2
Dependent Claim
29 words
A rack-and-pinion steering gear comprising a rack means having a recess formed therein, a toothed segment inserted into said recess for forming a toothed rack for said steering arrangement.
Claim 3
Dependent Claim
16 words
The rack-and-pinion gear arrangement as claimed in claim 1, wherein said rack has a pipe-like profile.
Claim 4
Dependent Claim
30 words
The rack-and-pinion steering gear as claimed in claim 1, wherein said rack means in the region of said recess has formed thereon at least a pair of partial side surfaces.
Claim 5
Dependent Claim
21 words
The rack-and-pinion gear as claimed in claim 1, including an elastic lining inserted between said toothed segment and said Rack means.
Claim 6
Dependent Claim
28 words
The rack-and-pinion arrangement as claimed in claim 1, wherein the width of the teeth of said toothed segment is wider than the wider width of said rack means.
Claim 7
Dependent Claim
47 words
The rack-and-pinion gear arrangement as claimed in claim 1, wherein said rack means is a rectangularly shaped pipe means, said recesses being formed by cutting up the upper portion of said pipe means along the centerline thereof and bending the cut-up portions upwardly to form said recess.
Claim 8
Dependent Claim
25 words
The rack-and-pinion gear as claimed in claim 2, wherein said toothed segment has a narrow foot portion and a wide head portion for said teeth.
Claim 9
Dependent Claim
55 words
The rack-and-pinion gear as claimed in claim 2, wherein said toothed segment has a V-shaped cross-section, the narrow end of said V-shape being a foot portion and the upper end of said V-shape carrying the teeth, said pipe-profile being formed in the region of said recess to support the sides of said V-shaped toothed segment.
References Cited (Backward Citations)
US3059489A
Cited
US3720115A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-09-09 | 1978-03-11 | 1978-09-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-09-09 | 1982-03-11 | 1982-09-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-09-09 | 1986-03-11 | 1986-09-10 | $7700.00 | Window Closed / Lapsed |