USRE20637E - Worm gear adjustment for steering - Google Patents
Worm gear adjustment for steering Download PDFInfo
- Publication number
- USRE20637E USRE20637E US20637DE USRE20637E US RE20637 E USRE20637 E US RE20637E US 20637D E US20637D E US 20637DE US RE20637 E USRE20637 E US RE20637E
- Authority
- US
- United States
- Prior art keywords
- worm
- gear
- steering
- housing
- stem
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
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Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D3/00—Steering gears
- B62D3/02—Steering gears mechanical
- B62D3/04—Steering gears mechanical of worm type
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D3/00—Steering gears
- B62D3/02—Steering gears mechanical
- B62D3/04—Steering gears mechanical of worm type
- B62D3/10—Steering gears mechanical of worm type with worm engaging in sector or roller gear
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C23/00—Bearings for exclusively rotary movement adjustable for aligning or positioning
- F16C23/10—Bearings, parts of which are eccentrically adjustable with respect to each other
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2326/00—Articles relating to transporting
- F16C2326/20—Land vehicles
- F16C2326/24—Steering systems, e.g. steering rods or columns
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2361/00—Apparatus or articles in engineering in general
- F16C2361/61—Toothed gear systems, e.g. support of pinion shafts
Definitions
- the invention relates to steering gears and more particularly to the means for adjusting the worm gearing between the steering stem and rock shaft. It is the object of the invention to simplify the construction and to provide means through which lost motion between the gears can be easily taken up at any time without disassembly of the parts. To this end the invention consists in the construction as hereinafter set forth.
- Fig. l is a longitudinal section through the steering post and the worm gear housing of a steering gear
- Fig. 2 is a transverse section substantially on line 2-2 of Fig. 1;
- Fig. 3 is a perspective View showing the eccentric sleeve and rotary adjustment means therefor.
- A is the steering post containing the steering stem B supported at the upper end of the post by a bearing C.
- D is the gear housing on which the post A is mounted. Journaled within this housing is the rock shaft E having mounted thereon the worm gear wheel F and intermeshing with this gear wheel is the worm G mounted on the stem B.
- H is an eccentric sleeve or bushing which is insertable through an opening in the lower end of the housing D into engagement with cylindrical bearings I and I.
- the race members J and J for the roller bearings K, K which engage cones L and L at the opposite ends of the worm.
- the sleeve H is cut away on one side intermediate the portions engaging the bearings I and I so as to provide clearance for the worm wheel.
- the remaining segment has formed on the outer surface thereof a worm gear M which is in mesh with a worm N on a transversely extending shaft N engaging hearings in the housing D.
- a polygonal head N outside the housing D and at the opposite end a clamping nut N engaging a threaded end portion of the shaft.
- a removable cover plate Q permits of the insertion of the rock shaft E and worm gear F into the housing and a screw R in this cover plate Q bears against the center of the gear to hold the same in position.
- Lubrication is introduced through a removable cap S at the side of the housing and the sleeve H is cut away at '1 adjacent to the gear segment M to permit passage of the lubricant into said sleeve and on to the gears.
- the eccentric sleeve H while circumferentially surrounding the race members J and J does not form the end thrust bearings for said race member.
- the race member J has an end thrust bearing against the housing D and the race member J contacts with the shim P.
- the sleeve does not in any way interfere with the adjustment of these race members in taking up all lost motion between the same and the rollers K.
- Another advantage of this is that when the eccentric sleeve H is rotated for the purpose of adjusting the worm with respect to the worm gear,
- a steering gear the combination of a gear housing, a steering post mounted thereon, a steering stem within said post, a bearing for said stem at the upper end of said post, a rock shaft extending transversely of said housing and having its axis in fixed relation thereto, a worm gear on said rock shaft, a worm on said steering stem intermeshing with said Worm gear, radial and end thrust journal bearings for said worm at opposite ends thereof, eccentric mountings for said journal bearings and means for simultaneously rotating said eccentric mountings independently of any rotation of said bearings to adjust said worm towards or from said worm gear.
- a steering gear the combination of a gear housing, a steering post mounted thereon, a steering stem within said post, a bearing for said stem at the upper end of said post, a rock shaft extending transversely of said housing and having its axis in fixed relation thereto, a worm gear on said rock shaft, a Worm on said steering stem intermeshing with said worm gear, a radial and end thrust journal bearing for said worm, an eccentric sleeve surrounding portions of said worm and said journal hearing within said housing, and means operable from outside said housing for rotating said eccentric sleeve independently of any rotation of said bearings to adjust said worm towards or from said worm gear.
- a steering gear the combination of a gear housing, asteering post mounted thereon, a steering stem within said post, a bearing for said stem at the upper end of said post, a rock shaft extending transversely of said housing and having its axis in fixed relation thereto, a worm gear on said rock shaft, a worm on said steering stem intermeshing with said worm gear, radial and end thrust journal bearings for the opposite ends of said worm, an eccentric sleeve surrounding portions of said worm and said journal bearings and jo-urnaled within said housing, and means operable from outside said housing for rotating said eccentric sleeve independently of any rotation of said bearings to move said worm towards or from said worm gear.
- a steering gear the combination of a gear housing, a steering post mounted thereon, a steering stem within said post, a bearing for said stem at the upper end of said post, a rock shaft extending transversely of said housing and having its axis in fixed relation thereto, a worm gear on said rock shaft, a worm on said steering stem intermeshing with said worm gear, radial and end thrust journal bearings for opposite ends of said worm, an eccentric sleeve surrounding portions of said worm and said journal bearings and having a gear segment on its outer face, a helical gear engaging said gear segment, a shaft on which said helical gear is mounted extending transversely of said housing and outward through the wall thereof, and a polygonal head at the outer end of said shaft for rotating the same to adjust said Worm towards or from said gear.
- a steering gear the combination of a gear housing, a steering post mounted thereon, a steering stem within said post, a bearing for said stem at the upper end of said post, a rock shaft extending transversely of said housing and having its axis in fixed relation thereto, a worm gear on said rock shaft, a worm on said steering stem intermeshing with said worm gear, radial and end thrust journal bearings for opposite ends of said worm, an eccentric sleeve surrounding portions of said worm and said journal bearings, and having a gear segment on its outer face, a helical gear engaging said gear segment, a shaft on which said helical gear is mounted extending transversely of said housing with its opposite ends passing through the walls thereof, a polygonal head at one end of said shaft for rotating the same independently of any rotation of said bearings to adjust said worm towards or from said worm gear and a nut engaging a threaded portion on the opposite end of said shaft to clamp the same in any position of adjustment.
- a steering gear the combination of a gear housing, a steering post mounted thereon, a steering stem within said post, a bearing for said stem at the upper end of said post, a rock shaft extending transversely of said housing and having its axis in fixed relation thereto, a worm gear on said rock shaft, a worm on said steering stem intermeshing with said worm gear, radial and end thrust journal bearings for opposite ends of said worm, an eccentric sleeve surrounding portions of said Worm and said journal bearings and having a gear segment on its outer face, a gear in mesh with said gear segment and a shaft on which said gear is mounted extending out of said housing and constituting an external means for rotating said eccentric sleeve independently of any rotation of said bearings.
- a steering gear the combination of a gear housing, a steering post mounted thereon, a. steer ing stem within said post, a bearing for said stem at the upper end of said post, a rock shaft extending transversely of said housing and having its axis in fixed relation thereto, a worm gear on said rock shaft, a worm on said steering stem intermeshing with said worm gearing, radial and end thrust journal bearings for said worm at opposite ends thereof, eccentric mountings for said journal bearings, means for axially adjusting one of said journal hearings to take up all axial lost motion of the worm, and means for simultaneously rotating said eccentric mountings independently of any rotation of said bearings to adjust the latter and said worm towards or from said gear.
- a steering gear the combination of a gear housing, a rock shaft having a worm wheel segment thereon mounted about a fixed axis in said housing, a steering stem, a worm thereon engaging said worm segment, abutments in said housing in planes perpendicular to the axis of said worm for receiving the end thrust thereof, an eccentric sleeve rotatable in said housing and surrounding a portion of said worm to receive the radial thrust independent of the end thrust thereof, and means for rotating said sleeve to adjust said worm laterally of said abutments toward or from said worm wheel segment.
- a steering gear the combination of a gear housing, a rock shaft having a Worm wheel segment thereon mounted about a fixed axis in said housing, a steering stem, a worm thereon engaging said worm segment, radial and end thrust journal bearings for said worm, abutments in said housing in planes perpendicular to the axis of said worm for receiving the end thrust of said bearings, an eccentric sleeve: rotatable in, said housing in planes perpendicular to the axis of said worm for directly contacting with and receiving the end thrust of said race members, an eccentric sleeve rotatable within said housing surrounding said race members and receiving the 5 radial thrust independent of the end thrust thereof, and means for rotating said sleeve independent of any rotation of said race members to adjust the latter laterally of said abutments and to thereby move said Worm toward or from said 10 worm wheel segment.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Gear Transmission (AREA)
- Power Steering Mechanism (AREA)
- Gears, Cams (AREA)
Description
Jan. 25, 1938. c. F. HAMMOND, JR, ET AL 20,637
WORM GEAR ADJUSTMENT FOR STEERING GEARS 7 Original: Filed April 1, 1935 2 Sheets-Sheet l INVENTORS CHARLES F.HAMMOND JR. HARPER E.PULLEYBLANK ATTO RN EYS Jan. 25, 1938. c. F. HAMMOND. JR, ET AL 20,637
WQHM GEAR ADJUSTMENT FOR STEERING GEARS Original Filed April 1, 1955 2 Sheets-Shet 2 II/IJ III INVENTORS CHARLES F- HAMMOND JR.
HARPER E. PULLEYBLANK Reissue-d Jan. 25, 1938 UNITED STATES PATENT OFFICE WORM GEAR ADJUSTIVIENT FOR. STEERING GEARS Charles F. Hammond, Jr., and Harper E. Pulleyblank, Detroit, Mich, assignors to Gemmer Manufacturing Company, Detroit, Mich, a corporation of Michigan 10 Claims.
The invention relates to steering gears and more particularly to the means for adjusting the worm gearing between the steering stem and rock shaft. It is the object of the invention to simplify the construction and to provide means through which lost motion between the gears can be easily taken up at any time without disassembly of the parts. To this end the invention consists in the construction as hereinafter set forth.
In the drawings:
Fig. l is a longitudinal section through the steering post and the worm gear housing of a steering gear;
Fig. 2 is a transverse section substantially on line 2-2 of Fig. 1;
Fig. 3 is a perspective View showing the eccentric sleeve and rotary adjustment means therefor.
As illustrated, A is the steering post containing the steering stem B supported at the upper end of the post by a bearing C. D is the gear housing on which the post A is mounted. Journaled within this housing is the rock shaft E having mounted thereon the worm gear wheel F and intermeshing with this gear wheel is the worm G mounted on the stem B.
The usual adjustment between the worm and the gear is by a movement of the gear, the worm remaining in fixed position within the housing. In our improved construction the axis of the worm gear and its rock shaft remains in fixed position within the housing and adjustment is made by a relative movement of the worm and its steering stem, the construction being as follows: H is an eccentric sleeve or bushing which is insertable through an opening in the lower end of the housing D into engagement with cylindrical bearings I and I. Within the sleeve H are the race members J and J for the roller bearings K, K which engage cones L and L at the opposite ends of the worm. The sleeve H is cut away on one side intermediate the portions engaging the bearings I and I so as to provide clearance for the worm wheel. The remaining segment has formed on the outer surface thereof a worm gear M which is in mesh with a worm N on a transversely extending shaft N engaging hearings in the housing D. At one end of this shaft is a polygonal head N outside the housing D and at the opposite end a clamping nut N engaging a threaded end portion of the shaft. Thus by rotating the head W the worm N through its engagement with the worm gear segment M will impart a rotary adjustment to the sleeve H and after such adjustment the parts may be locked by tightening the clamping nut N With the construction as described, it will be understood that the axis of the steering stem B and Worm G is eccentric to the axis of the ex ternal surface of the sleeve H. Consequently whenv this sleeve is rotated within the bearings I, I in the casing D, it will shift the worm laterally towards or from the worm gear F. This adjustment of the Worm carries With it the stem B, but the limited amount of movement and the comparatively long distance to the bearing C at the upper end of the post will permit of flexing of the stem and will not interfere with the free rotation thereof. After introduction of the sleeve H and worm G through the opening in the bottom of the housing D, this opening is closed by a cover plate 0-. A shim P is placed between this cover plate and the race member J to'receive the end thrust and to take up all lost motion in the roller bearings. A removable cover plate Q permits of the insertion of the rock shaft E and worm gear F into the housing and a screw R in this cover plate Q bears against the center of the gear to hold the same in position. Lubrication is introduced through a removable cap S at the side of the housing and the sleeve H is cut away at '1 adjacent to the gear segment M to permit passage of the lubricant into said sleeve and on to the gears.
While we have described only one'specific construction, it is obvious that other specific constructions may be employed for accomplishing the same result. The essential features are, first, that the worm and its operating stem are adjusted within the housing, the worm gear and rock shaft remaining in fixed position; second, this adjustment of the worm is preferably through the rotation of an eccentric bearing; third, there are preferably a pair of eccentric bearings at opposite ends of the worm which are simultaneously and equally adjusted to move said worm in relation to the worm gear.
The eccentric sleeve H while circumferentially surrounding the race members J and J does not form the end thrust bearings for said race member. Thus the race member J has an end thrust bearing against the housing D and the race member J contacts with the shim P. Thus the sleeve does not in any way interfere with the adjustment of these race members in taking up all lost motion between the same and the rollers K. Another advantage of this is that when the eccentric sleeve H is rotated for the purpose of adjusting the worm with respect to the worm gear,
this rotation is not necessarily imparted to the race members J and J. Consequently there is less frictional resistance to this adjustment than would be the case if the race members were revolved with the sleeve, for the end pressure on said race members is sufiicient to develop a considerable friction between the same and their end bearings respectively on the casing D and shim P.
What we claim as our invention is:
1. In a steering gear, the combination of a gear housing, a steering post mounted thereon, a steering stem within said post, a bearing for said stem at the upper end of said post, a rock shaft extending transversely of said housing and having its axis in fixed relation thereto, a worm gear on said rock shaft, a worm on said steering stem intermeshing with said Worm gear, radial and end thrust journal bearings for said worm at opposite ends thereof, eccentric mountings for said journal bearings and means for simultaneously rotating said eccentric mountings independently of any rotation of said bearings to adjust said worm towards or from said worm gear.
2. In a steering gear, the combination of a gear housing, a steering post mounted thereon, a steering stem within said post, a bearing for said stem at the upper end of said post, a rock shaft extending transversely of said housing and having its axis in fixed relation thereto, a worm gear on said rock shaft, a Worm on said steering stem intermeshing with said worm gear, a radial and end thrust journal bearing for said worm, an eccentric sleeve surrounding portions of said worm and said journal hearing within said housing, and means operable from outside said housing for rotating said eccentric sleeve independently of any rotation of said bearings to adjust said worm towards or from said worm gear.
3. In a steering gear, the combination of a gear housing, asteering post mounted thereon, a steering stem within said post, a bearing for said stem at the upper end of said post, a rock shaft extending transversely of said housing and having its axis in fixed relation thereto, a worm gear on said rock shaft, a worm on said steering stem intermeshing with said worm gear, radial and end thrust journal bearings for the opposite ends of said worm, an eccentric sleeve surrounding portions of said worm and said journal bearings and jo-urnaled within said housing, and means operable from outside said housing for rotating said eccentric sleeve independently of any rotation of said bearings to move said worm towards or from said worm gear.
4. In a steering gear, the combination of a gear housing, a steering post mounted thereon, a steering stem within said post, a bearing for said stem at the upper end of said post, a rock shaft extending transversely of said housing and having its axis in fixed relation thereto, a worm gear on said rock shaft, a worm on said steering stem intermeshing with said worm gear, radial and end thrust journal bearings for opposite ends of said worm, an eccentric sleeve surrounding portions of said worm and said journal bearings and having a gear segment on its outer face, a helical gear engaging said gear segment, a shaft on which said helical gear is mounted extending transversely of said housing and outward through the wall thereof, and a polygonal head at the outer end of said shaft for rotating the same to adjust said Worm towards or from said gear.
5. In a steering gear, the combination of a gear housing, a steering post mounted thereon, a steering stem within said post, a bearing for said stem at the upper end of said post, a rock shaft extending transversely of said housing and having its axis in fixed relation thereto, a worm gear on said rock shaft, a worm on said steering stem intermeshing with said worm gear, radial and end thrust journal bearings for opposite ends of said worm, an eccentric sleeve surrounding portions of said worm and said journal bearings, and having a gear segment on its outer face, a helical gear engaging said gear segment, a shaft on which said helical gear is mounted extending transversely of said housing with its opposite ends passing through the walls thereof, a polygonal head at one end of said shaft for rotating the same independently of any rotation of said bearings to adjust said worm towards or from said worm gear and a nut engaging a threaded portion on the opposite end of said shaft to clamp the same in any position of adjustment.
6. In a steering gear, the combination of a gear housing, a steering post mounted thereon, a steering stem within said post, a bearing for said stem at the upper end of said post, a rock shaft extending transversely of said housing and having its axis in fixed relation thereto, a worm gear on said rock shaft, a worm on said steering stem intermeshing with said worm gear, radial and end thrust journal bearings for opposite ends of said worm, an eccentric sleeve surrounding portions of said Worm and said journal bearings and having a gear segment on its outer face, a gear in mesh with said gear segment and a shaft on which said gear is mounted extending out of said housing and constituting an external means for rotating said eccentric sleeve independently of any rotation of said bearings.
7 In a steering gear, the combination of a gear housing, a steering post mounted thereon, a. steer ing stem within said post, a bearing for said stem at the upper end of said post, a rock shaft extending transversely of said housing and having its axis in fixed relation thereto, a worm gear on said rock shaft, a worm on said steering stem intermeshing with said worm gearing, radial and end thrust journal bearings for said worm at opposite ends thereof, eccentric mountings for said journal bearings, means for axially adjusting one of said journal hearings to take up all axial lost motion of the worm, and means for simultaneously rotating said eccentric mountings independently of any rotation of said bearings to adjust the latter and said worm towards or from said gear.
8. In a steering gear, the combination of a gear housing, a rock shaft having a worm wheel segment thereon mounted about a fixed axis in said housing, a steering stem, a worm thereon engaging said worm segment, abutments in said housing in planes perpendicular to the axis of said worm for receiving the end thrust thereof, an eccentric sleeve rotatable in said housing and surrounding a portion of said worm to receive the radial thrust independent of the end thrust thereof, and means for rotating said sleeve to adjust said worm laterally of said abutments toward or from said worm wheel segment.
9. In a steering gear, the combination of a gear housing, a rock shaft having a Worm wheel segment thereon mounted about a fixed axis in said housing, a steering stem, a worm thereon engaging said worm segment, radial and end thrust journal bearings for said worm, abutments in said housing in planes perpendicular to the axis of said worm for receiving the end thrust of said bearings, an eccentric sleeve: rotatable in, said housing in planes perpendicular to the axis of said worm for directly contacting with and receiving the end thrust of said race members, an eccentric sleeve rotatable within said housing surrounding said race members and receiving the 5 radial thrust independent of the end thrust thereof, and means for rotating said sleeve independent of any rotation of said race members to adjust the latter laterally of said abutments and to thereby move said Worm toward or from said 10 worm wheel segment.
CHARLES F. HAMMOND, JR. HARPER E. PULLEYBLANK.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US14176A US2069143A (en) | 1935-04-01 | 1935-04-01 | Worm gear adjustment for steering gears |
Publications (1)
Publication Number | Publication Date |
---|---|
USRE20637E true USRE20637E (en) | 1938-01-25 |
Family
ID=21763963
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US20637D Expired USRE20637E (en) | 1935-04-01 | Worm gear adjustment for steering | |
US14176A Expired - Lifetime US2069143A (en) | 1935-04-01 | 1935-04-01 | Worm gear adjustment for steering gears |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US14176A Expired - Lifetime US2069143A (en) | 1935-04-01 | 1935-04-01 | Worm gear adjustment for steering gears |
Country Status (4)
Country | Link |
---|---|
US (2) | US2069143A (en) |
BE (1) | BE414494A (en) |
FR (1) | FR803560A (en) |
GB (1) | GB459690A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2542388A (en) * | 1947-10-30 | 1951-02-20 | John R Brodhead | Steering gear |
US2865222A (en) * | 1956-11-01 | 1958-12-23 | White Motor Co | Adjustable steering wheel |
US11697451B2 (en) * | 2021-03-10 | 2023-07-11 | Steering Solutions Ip Holding Corporation | Electric powered gear assembly for steering system |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE914105C (en) * | 1947-12-08 | 1954-06-24 | Steyr Daimler Puch Ag | Steering gears, especially for motor vehicles |
DE1082139B (en) * | 1959-01-29 | 1960-05-19 | Daimler Benz Ag | Steering gear for motor vehicles |
US8555741B2 (en) * | 2005-06-30 | 2013-10-15 | Steering Solutions Ip Holding Corporation | Power steering apparatus with adjustment device |
DE102010050561A1 (en) * | 2010-11-05 | 2012-05-10 | Volkswagen Ag | Eccentric core for gear in steering system of motor vehicle, has body axis and vertical axis that runs parallel and adjacent to body axis, where body unit is centrically arranged at body axis |
US9168969B2 (en) * | 2011-12-22 | 2015-10-27 | Trek Bicycle Corporation | Eccentric bottom bracket assembly |
US9533701B2 (en) * | 2012-08-07 | 2017-01-03 | Steering Solutions Ip Holding Corporation | Steering column assist system |
US9664273B2 (en) | 2012-08-07 | 2017-05-30 | Steering Solutions Ip Holding Corporation | Steering column assist system |
US9573198B1 (en) * | 2013-06-06 | 2017-02-21 | The Boeing Company | Double eccentric positioning apparatus |
US20220204072A1 (en) * | 2020-12-31 | 2022-06-30 | Zf Friedrichshafen Ag | Electric Commercial Vehicle Power Steering System with a Globoidal Wormgearing |
-
0
- US US20637D patent/USRE20637E/en not_active Expired
- BE BE414494D patent/BE414494A/xx unknown
-
1935
- 1935-04-01 US US14176A patent/US2069143A/en not_active Expired - Lifetime
-
1936
- 1936-03-19 FR FR803560D patent/FR803560A/en not_active Expired
- 1936-03-25 GB GB8916/36A patent/GB459690A/en not_active Expired
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2542388A (en) * | 1947-10-30 | 1951-02-20 | John R Brodhead | Steering gear |
US2865222A (en) * | 1956-11-01 | 1958-12-23 | White Motor Co | Adjustable steering wheel |
US11697451B2 (en) * | 2021-03-10 | 2023-07-11 | Steering Solutions Ip Holding Corporation | Electric powered gear assembly for steering system |
Also Published As
Publication number | Publication date |
---|---|
BE414494A (en) | 1900-01-01 |
US2069143A (en) | 1937-01-26 |
GB459690A (en) | 1937-01-13 |
FR803560A (en) | 1936-10-03 |
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