CA2510712A1 - Direct drive vehicle window regulator - Google Patents
Direct drive vehicle window regulator Download PDFInfo
- Publication number
- CA2510712A1 CA2510712A1 CA 2510712 CA2510712A CA2510712A1 CA 2510712 A1 CA2510712 A1 CA 2510712A1 CA 2510712 CA2510712 CA 2510712 CA 2510712 A CA2510712 A CA 2510712A CA 2510712 A1 CA2510712 A1 CA 2510712A1
- Authority
- CA
- Canada
- Prior art keywords
- threaded rod
- window
- axle
- regulating assembly
- motor
- 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.)
- Abandoned
Links
- 230000001105 regulatory effect Effects 0.000 claims abstract 77
- 238000000034 method Methods 0.000 claims description 5
- 230000005389 magnetism Effects 0.000 claims 4
- 239000000463 material Substances 0.000 claims 4
- 230000007423 decrease Effects 0.000 claims 2
- 230000037361 pathway Effects 0.000 claims 1
- 239000007787 solid Substances 0.000 claims 1
- 238000009987 spinning Methods 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000003993 interaction Effects 0.000 description 1
- 238000010137 moulding (plastic) Methods 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F11/00—Man-operated mechanisms for operating wings, including those which also operate the fastening
- E05F11/38—Man-operated mechanisms for operating wings, including those which also operate the fastening for sliding windows, e.g. vehicle windows, to be opened or closed by vertical movement
- E05F11/40—Man-operated mechanisms for operating wings, including those which also operate the fastening for sliding windows, e.g. vehicle windows, to be opened or closed by vertical movement operated by screw mechanism
- E05F11/405—Man-operated mechanisms for operating wings, including those which also operate the fastening for sliding windows, e.g. vehicle windows, to be opened or closed by vertical movement operated by screw mechanism for vehicle windows
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F15/00—Power-operated mechanisms for wings
- E05F15/60—Power-operated mechanisms for wings using electrical actuators
- E05F15/603—Power-operated mechanisms for wings using electrical actuators using rotary electromotors
- E05F15/665—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for vertically-sliding wings
- E05F15/689—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for vertically-sliding wings specially adapted for vehicle windows
- E05F15/697—Motor units therefor, e.g. geared motors
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
- E05Y2201/00—Constructional elements; Accessories therefor
- E05Y2201/40—Motors; Magnets; Springs; Weights; Accessories therefor
- E05Y2201/43—Motors
- E05Y2201/434—Electromotors; Details thereof
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
- E05Y2600/00—Mounting or coupling arrangements for elements provided for in this subclass
- E05Y2600/40—Mounting location; Visibility of the elements
- E05Y2600/46—Mounting location; Visibility of the elements in or on the wing
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
- E05Y2900/00—Application of doors, windows, wings or fittings thereof
- E05Y2900/50—Application of doors, windows, wings or fittings thereof for vehicles
- E05Y2900/53—Type of wing
- E05Y2900/55—Windows
Landscapes
- Power-Operated Mechanisms For Wings (AREA)
Abstract
A window regulating device for moving a vehicle window between an open position and a closed position. The window regulating device comprises a threaded rod that is vertically secured to the vehicle door, and said threaded rod extends through a radius of curvature of a travel path of the vehicle window. An electric motor comprising a hollow axle, said axle core being at least partly tapped. The threaded rod extends through said tapped axle, and the threaded rod engages the tapped axle in a screw and nut manner. The vehicle window is secured to the motor housing, either directly or by way of a connecting member. When the electric motor is energized, the tapped axle of the motor spins, and the electric motor and the attached vehicle window travel together along the fixedly secured threaded rod.
Description
FIELD OF THE INVENTION
The invention relates to a device for opening and closing the window of a vehicle. More specifically the invention relates to a power-window regulator employing the use of an electric motor to convert rotational motion of the motor-axle into linear motion along a vertical member.
BACKGROUND OF THE INVENTION
The invention pertains generally to power window regulators for vehicle doors.
More specifically the invention relates to a device for opening and closing the window of a vehicle door using an electric motor for generating rotational motion and converting said rotational motion into linear motion.
The device comprises and electric motor, said motor comprising an axle, said axle comprising a hollow core, said hollow core being at least partly tapped such that a threaded rod, of matching thread, penetrates the axle core and extends beyond the axle in both directions, and as the electric motor is energized the axle spins and the electric motor and vehicle window both ascend and descend along the vertically affixed threaded rod.
Currently there are 2 main types of window regulators employed in the automotive industry: a) arm and sector regulators, and b) cable and drum regulators. Both types use a conventional electric motor to generate rotational motion about the motor axle. Both types use a reduction gear to generate rotation about a second axle of rotation. The arm and sector regulators, in addition to the electric motor and worm-gear assembly, require a wide range of stampings including the main arm, base-plate, lifter plate, connecting arms, sector plate etc including expensive tooling. The cable and drum regulators, in addition to the electric motor and worm-gear assembly, require a wide range of stampings and plastic moldings including a minimum of one rail, mounting brackets, sliding member(s), a Bowden cable system and accompanying components, including expensive tooling.
Both systems are time consuming and expensive to: a) design, b) build tooling for, c) manufacture, d) assemble, e) package, f) mount to door, etc.
The invention possesses numerous advantages over know window regulators. The invention is a direct drive device where the rotating motor axle acts directly on the vertical member without relying on a reduction gear or worm gear. The vertical member is a threaded rod which penetrates through the center of the motor axle, said motor axle is concentrically hollow and tapped, and extends in both directions beyond the axle. As the tapped motor axle spins, the electric motor, a connecting member and the vehicle window all travel along the threaded rod. Since the tapped axle is at least partly tapped, and may be preceded and succeeded by clearance openings for passing a threaded rod of considerable curvature, it is possible to apply this device for use on windows which are of considerable curvature.
Thus it is evident that the invention provides a novel window regulator, said window regulator comprising fewer parts, simpler to manufacture, requiring a reduced design and tool-making constraint, reduced assembly time, smaller to package, lighter in weight and more cost efficient over current designs.
DESCRIPTION OF PRIOR ART
It is known in the prior act to provide a window regulator comprising a threaded rod as the vertical member and engaging said threaded rod with an electric motor to generate window movement along the threaded rod.
US patent number 5,012,613 to Shuji Sekine on May 7, 1991, uses a permanently fixed electric motor and a vertically secured threaded rod, including a rail system and a method of linking the motor to act on the driving nut along the lead screw.
US Patent Number 3,014,715 to Jack E. Martens on December 26, 1961, uses an electric motor in a fixed horizontal position to rotate a vertically mounted straight threaded rod, said rotation of the rod causes a screw and window to ascend and descend the height of the threaded rod.
US Patent Number 2,649,300 to James M. Launder on August 18, 1953, uses an electric motor and a sleeve comprising a screw, and said motor is coupled to said sleeve by a reduction gear and both motor and sleeve (and window) travel along a curved threaded rod in both directions.
US patent Number 2,311,972 to Emory Glenn Simpson on February 23, 1943, uses an electric motor, a gearing mechanism external to the threaded rod, a screw-type member acted on by the gearing mechanism, and a jack-screw mechanism for lifting and lowering the vehicle window.
SUMMARY OF THE INVENTION
The invention pertains to a power window regulator including a threaded rod and an electric motor comprising a rotating axle, said axle comprising a hollow core, said hollow core being at least partly tapped such that the threaded rod penetrates the full length of the inside of the tapped axle and the thread of the threaded rod engages the tap of the tapped axle, and said rod extends beyond both ends of the tapped axle core. The threaded rod is mounted vertically at each end to the vehicle door. Method of engagement between the threaded rod and the tapped axle of the electric motor is similar to that of a nut and screw, the nut being the tapped axle and the screw being the threaded rod. The threaded rod extends through a radius of curvature of a travel path of a vehicle window.
The window is mounted either directly to the motor housing or by a connecting member to the motor housing. As the electric motor is energized, the tapped axle spins and the electric motor and attached window both ascend and descend along the threaded rod. For windows of curvature, the tap of the tapped axle may be preceded and/or succeeded by clearance holes for passing a curved threaded rod through the axle core without having said threaded rod jamming into the inner axle core walls.
DESCRIPTIONS OF THE DRAWINGS
Fig-1 illustrates the general layout of a conventional electric motor, a brush-type motor is depicted;
Fig-2 illustrates the electric motor with a hollow tapped core and a threaded rod extending through said motor core;
Fig-3 illustrates the cross section of the tapped-axle electric motor of Fig-2 along cross section A-A;
Fig-4 illustrates a cross section of a tapped axle motor, a threaded rod extending through the center of said motor, and a vehicle window mounted to said motor by way of a connector;
Fig-5 illustrates the cross section of a tapped axle for use with a curved threaded rod;
Fig-6 is a cross section of a curved threaded rod engaging the tapped axle motor;
Fig-7 is a 3 dimensional cross section of the tapped axle;
Fig-8 illustrates a motor end-wall and mounting member as one unit;
Fig-9 illustrates a motor end-wall and mounting member as one unit, and a threaded rod, and a tapped axle motor;
Fig-10 illustrates a motor end-wall and mounting member as one unit, and a threaded rod, and a tapped axle motor, and a vehicle window;
Fig-11 illustrates said window regulator housed inside a vehicle door;
Fig-12 illustrates the can of the electric motor housing and the mounting member as one unit;
Fig-13 illustrates the can of the electric motor housing, end-wall of the electric motor housing and the mounting member as three separate units;
Fig-14 illustrates a cross section of the vehicle door with the window in the up position;
Fig-15 illustrates a cross section of the vehicle door with the window in the down position;
Fig-16 illustrates a window regulator with a narrow connecting member;
Fig-17 illustrates a window regulator including a guide member;
Fig-18 illustrates a plurality of tapped axle motors engaging a single threaded rod;
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS
Fig-1 illustrates a conventional (brush-type) electric motor 1, including a rotating inner axle 2, a stator 3, wiring 4, armature 5, permanent magnet 6 and motor housing 7.
Fig-2 illustrates the tapped axle motor 8 including a threaded rod 9 extending the full length of the tapped axle 10, said threaded rod 9 engaging the tap 11 of said tapped axle motor 8, and said tapped axle 10 comprising a hollow axle core 12.
Fig-3 illustrates the cross section of Fig-2 along line AA of the tapped axle motor 8, including the tap 11 of the hollow axle core 12, through which the threaded rod 9 will pass unobstructed. Radially disposed bushings 13 at each end of the tapped axle 10 are positioned between the tapped axle 10 and the motor housing 7.
Fig-4 illustrates the interaction between said threaded rod 9, vertically mounted in a vehicle door 31, said threaded rod 9 extending through the tapped axle 10 of the tapped axle motor 8. The vehicle window 14 is mounted to the tapped axle motor 8 by a connecting member 28. To conserve space along the thickness of the vehicle door, the permanent magnets 6 are axially aligned with the bottom edge of the vehicle window 14.
Fig-5 is a cross section of a tapped axle motor for use with a curved threaded rod 25. The tapped axle 10 comprises a tap diameter 15, a tap length 16 along which said curved threaded rod 25 engages said tapped axle 10, and clearance holes of clearance length 17 and clearance diameter 18 at each end of the tapped axle 10. Said clearance holes ensure that the curved threaded rod 25 engages the tap 11 of the tapped axle 10 without obstruction from the axle-core walls 12.
Fig-6 further illustrates a curved threaded rod 25 engaging a tapped axle motor 8, including the tapped axle's axis of rotation 29 and the curved threaded rod's curvature 21.
Note the deviation from a straight path between the tapped axle's axis of rotation 29 and the curved threaded rod's curvature 21. Clearance holes of Fig-5 are intended to compensate for said deviation to prevent the curved threaded rod 25 from jamming into the axle-core walls 12. The motor housing comprising a can 19 and an end-wall 20 are also illustrated.
Fig-7 is a 3 dimensional cross section of the tapped axle 10, including the tap 11, and a clearance wall 22 at each end of the tapped axle 10.
Fig-8 illustrates a motor end-wall 20 and a mounting member 28 combined to make one mounting unit 26. The mounting unit 26 is connected to said electric motor 8 and comprises mounting arms 30 as in Fig-9. Said mounting arms 30 extend in opposite directioris from the curved threaded rod 25. Said mounting arms 30 extend parallel to the bottom of the vehicle window 14 as in Fig-10.
Fig-11 illustrates a vehicle door 31 housing the window regulator 24.
Including the vehicle window 14, connecting member and end-wall unit 26, said curved threaded rod 25, said electric motor 8. As the electric motor 8 is energized, the tapped motor axle 10 rotates, causing the tapped-axle motor 8 and the mounting member 26, and the attached vehicle window 14 to travel along the curved threaded rod 25 in a to-and-fro motion.
The vehicle window 14 prevents the electric motor 8 from rotating about the threaded rod 25. The curved threaded rod 25 is mounted vertically in the vehicle door 31. The curved threaded rod 25 is mounted in the general horizontal center of the vehicle door 31. The end-wall unit 26 (the mounting member) provides centered and symmetrical support to the vehicle window 14. The vehicle window 14 is mounted to the window regulator 24 along the lower end 32 of said vehicle window 14.
Fig-12 illustrates how the can 19 of the electric motor housing and the mounting member 28 may be cast as one unit.
Fig-13 illustrates the can of the electric motor housing 19, end-wall 25 of the electric motor housing and the mounting member 28 as three separate units.
Fig-14 illustrates a cross section of the vehicle door 31 with the window 14 in the up position. The vehicle window 14 is connected to the mounting member 28, said mounting member 28 is attached to the tapped-axle motor 8. Said vehicle window 14 and said mounting member 28 and said tapped-axle motor 8 travel vertically along the curved threaded rod 25. Said threaded rod 25 is attached and immobilized at each end by mounting units 27 to the vehicle door 31.
Fig-15 illustrates a cross section of the vehicle door with the window in the down position.
Said vehicle window 14 and said mounting member 28 and said tapped-axle motor 8 have traveled vertically downward along the curved threaded rod 25 to a lower position thus placing the vehicle window 14 in the open position.
In applications where availability of space inside the vehicle door is a concern, a narrow mounting member 28 of Fig-16 may be used. Said narrow connecting member 28 is particularly suitable for smaller type windows.
To provide guiding functionality, Fig-17 illustrates how a guiding member 33, comprising a rail or a rod or other, is mounted parallel to the threaded rod 9 or 25, and said guiding member 33 is slidingly engaged by a connecting member 34 (or a modified mounting member 28) to provide support and guiding during motor 8 travel.
Fig-18 illustrates how a plurality of tapped axle motors 8 may engage a single threaded rod 9 to transfer a vehicle window 14 or other unit 35 along said single threaded rod 9 or 25.
The invention relates to a device for opening and closing the window of a vehicle. More specifically the invention relates to a power-window regulator employing the use of an electric motor to convert rotational motion of the motor-axle into linear motion along a vertical member.
BACKGROUND OF THE INVENTION
The invention pertains generally to power window regulators for vehicle doors.
More specifically the invention relates to a device for opening and closing the window of a vehicle door using an electric motor for generating rotational motion and converting said rotational motion into linear motion.
The device comprises and electric motor, said motor comprising an axle, said axle comprising a hollow core, said hollow core being at least partly tapped such that a threaded rod, of matching thread, penetrates the axle core and extends beyond the axle in both directions, and as the electric motor is energized the axle spins and the electric motor and vehicle window both ascend and descend along the vertically affixed threaded rod.
Currently there are 2 main types of window regulators employed in the automotive industry: a) arm and sector regulators, and b) cable and drum regulators. Both types use a conventional electric motor to generate rotational motion about the motor axle. Both types use a reduction gear to generate rotation about a second axle of rotation. The arm and sector regulators, in addition to the electric motor and worm-gear assembly, require a wide range of stampings including the main arm, base-plate, lifter plate, connecting arms, sector plate etc including expensive tooling. The cable and drum regulators, in addition to the electric motor and worm-gear assembly, require a wide range of stampings and plastic moldings including a minimum of one rail, mounting brackets, sliding member(s), a Bowden cable system and accompanying components, including expensive tooling.
Both systems are time consuming and expensive to: a) design, b) build tooling for, c) manufacture, d) assemble, e) package, f) mount to door, etc.
The invention possesses numerous advantages over know window regulators. The invention is a direct drive device where the rotating motor axle acts directly on the vertical member without relying on a reduction gear or worm gear. The vertical member is a threaded rod which penetrates through the center of the motor axle, said motor axle is concentrically hollow and tapped, and extends in both directions beyond the axle. As the tapped motor axle spins, the electric motor, a connecting member and the vehicle window all travel along the threaded rod. Since the tapped axle is at least partly tapped, and may be preceded and succeeded by clearance openings for passing a threaded rod of considerable curvature, it is possible to apply this device for use on windows which are of considerable curvature.
Thus it is evident that the invention provides a novel window regulator, said window regulator comprising fewer parts, simpler to manufacture, requiring a reduced design and tool-making constraint, reduced assembly time, smaller to package, lighter in weight and more cost efficient over current designs.
DESCRIPTION OF PRIOR ART
It is known in the prior act to provide a window regulator comprising a threaded rod as the vertical member and engaging said threaded rod with an electric motor to generate window movement along the threaded rod.
US patent number 5,012,613 to Shuji Sekine on May 7, 1991, uses a permanently fixed electric motor and a vertically secured threaded rod, including a rail system and a method of linking the motor to act on the driving nut along the lead screw.
US Patent Number 3,014,715 to Jack E. Martens on December 26, 1961, uses an electric motor in a fixed horizontal position to rotate a vertically mounted straight threaded rod, said rotation of the rod causes a screw and window to ascend and descend the height of the threaded rod.
US Patent Number 2,649,300 to James M. Launder on August 18, 1953, uses an electric motor and a sleeve comprising a screw, and said motor is coupled to said sleeve by a reduction gear and both motor and sleeve (and window) travel along a curved threaded rod in both directions.
US patent Number 2,311,972 to Emory Glenn Simpson on February 23, 1943, uses an electric motor, a gearing mechanism external to the threaded rod, a screw-type member acted on by the gearing mechanism, and a jack-screw mechanism for lifting and lowering the vehicle window.
SUMMARY OF THE INVENTION
The invention pertains to a power window regulator including a threaded rod and an electric motor comprising a rotating axle, said axle comprising a hollow core, said hollow core being at least partly tapped such that the threaded rod penetrates the full length of the inside of the tapped axle and the thread of the threaded rod engages the tap of the tapped axle, and said rod extends beyond both ends of the tapped axle core. The threaded rod is mounted vertically at each end to the vehicle door. Method of engagement between the threaded rod and the tapped axle of the electric motor is similar to that of a nut and screw, the nut being the tapped axle and the screw being the threaded rod. The threaded rod extends through a radius of curvature of a travel path of a vehicle window.
The window is mounted either directly to the motor housing or by a connecting member to the motor housing. As the electric motor is energized, the tapped axle spins and the electric motor and attached window both ascend and descend along the threaded rod. For windows of curvature, the tap of the tapped axle may be preceded and/or succeeded by clearance holes for passing a curved threaded rod through the axle core without having said threaded rod jamming into the inner axle core walls.
DESCRIPTIONS OF THE DRAWINGS
Fig-1 illustrates the general layout of a conventional electric motor, a brush-type motor is depicted;
Fig-2 illustrates the electric motor with a hollow tapped core and a threaded rod extending through said motor core;
Fig-3 illustrates the cross section of the tapped-axle electric motor of Fig-2 along cross section A-A;
Fig-4 illustrates a cross section of a tapped axle motor, a threaded rod extending through the center of said motor, and a vehicle window mounted to said motor by way of a connector;
Fig-5 illustrates the cross section of a tapped axle for use with a curved threaded rod;
Fig-6 is a cross section of a curved threaded rod engaging the tapped axle motor;
Fig-7 is a 3 dimensional cross section of the tapped axle;
Fig-8 illustrates a motor end-wall and mounting member as one unit;
Fig-9 illustrates a motor end-wall and mounting member as one unit, and a threaded rod, and a tapped axle motor;
Fig-10 illustrates a motor end-wall and mounting member as one unit, and a threaded rod, and a tapped axle motor, and a vehicle window;
Fig-11 illustrates said window regulator housed inside a vehicle door;
Fig-12 illustrates the can of the electric motor housing and the mounting member as one unit;
Fig-13 illustrates the can of the electric motor housing, end-wall of the electric motor housing and the mounting member as three separate units;
Fig-14 illustrates a cross section of the vehicle door with the window in the up position;
Fig-15 illustrates a cross section of the vehicle door with the window in the down position;
Fig-16 illustrates a window regulator with a narrow connecting member;
Fig-17 illustrates a window regulator including a guide member;
Fig-18 illustrates a plurality of tapped axle motors engaging a single threaded rod;
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS
Fig-1 illustrates a conventional (brush-type) electric motor 1, including a rotating inner axle 2, a stator 3, wiring 4, armature 5, permanent magnet 6 and motor housing 7.
Fig-2 illustrates the tapped axle motor 8 including a threaded rod 9 extending the full length of the tapped axle 10, said threaded rod 9 engaging the tap 11 of said tapped axle motor 8, and said tapped axle 10 comprising a hollow axle core 12.
Fig-3 illustrates the cross section of Fig-2 along line AA of the tapped axle motor 8, including the tap 11 of the hollow axle core 12, through which the threaded rod 9 will pass unobstructed. Radially disposed bushings 13 at each end of the tapped axle 10 are positioned between the tapped axle 10 and the motor housing 7.
Fig-4 illustrates the interaction between said threaded rod 9, vertically mounted in a vehicle door 31, said threaded rod 9 extending through the tapped axle 10 of the tapped axle motor 8. The vehicle window 14 is mounted to the tapped axle motor 8 by a connecting member 28. To conserve space along the thickness of the vehicle door, the permanent magnets 6 are axially aligned with the bottom edge of the vehicle window 14.
Fig-5 is a cross section of a tapped axle motor for use with a curved threaded rod 25. The tapped axle 10 comprises a tap diameter 15, a tap length 16 along which said curved threaded rod 25 engages said tapped axle 10, and clearance holes of clearance length 17 and clearance diameter 18 at each end of the tapped axle 10. Said clearance holes ensure that the curved threaded rod 25 engages the tap 11 of the tapped axle 10 without obstruction from the axle-core walls 12.
Fig-6 further illustrates a curved threaded rod 25 engaging a tapped axle motor 8, including the tapped axle's axis of rotation 29 and the curved threaded rod's curvature 21.
Note the deviation from a straight path between the tapped axle's axis of rotation 29 and the curved threaded rod's curvature 21. Clearance holes of Fig-5 are intended to compensate for said deviation to prevent the curved threaded rod 25 from jamming into the axle-core walls 12. The motor housing comprising a can 19 and an end-wall 20 are also illustrated.
Fig-7 is a 3 dimensional cross section of the tapped axle 10, including the tap 11, and a clearance wall 22 at each end of the tapped axle 10.
Fig-8 illustrates a motor end-wall 20 and a mounting member 28 combined to make one mounting unit 26. The mounting unit 26 is connected to said electric motor 8 and comprises mounting arms 30 as in Fig-9. Said mounting arms 30 extend in opposite directioris from the curved threaded rod 25. Said mounting arms 30 extend parallel to the bottom of the vehicle window 14 as in Fig-10.
Fig-11 illustrates a vehicle door 31 housing the window regulator 24.
Including the vehicle window 14, connecting member and end-wall unit 26, said curved threaded rod 25, said electric motor 8. As the electric motor 8 is energized, the tapped motor axle 10 rotates, causing the tapped-axle motor 8 and the mounting member 26, and the attached vehicle window 14 to travel along the curved threaded rod 25 in a to-and-fro motion.
The vehicle window 14 prevents the electric motor 8 from rotating about the threaded rod 25. The curved threaded rod 25 is mounted vertically in the vehicle door 31. The curved threaded rod 25 is mounted in the general horizontal center of the vehicle door 31. The end-wall unit 26 (the mounting member) provides centered and symmetrical support to the vehicle window 14. The vehicle window 14 is mounted to the window regulator 24 along the lower end 32 of said vehicle window 14.
Fig-12 illustrates how the can 19 of the electric motor housing and the mounting member 28 may be cast as one unit.
Fig-13 illustrates the can of the electric motor housing 19, end-wall 25 of the electric motor housing and the mounting member 28 as three separate units.
Fig-14 illustrates a cross section of the vehicle door 31 with the window 14 in the up position. The vehicle window 14 is connected to the mounting member 28, said mounting member 28 is attached to the tapped-axle motor 8. Said vehicle window 14 and said mounting member 28 and said tapped-axle motor 8 travel vertically along the curved threaded rod 25. Said threaded rod 25 is attached and immobilized at each end by mounting units 27 to the vehicle door 31.
Fig-15 illustrates a cross section of the vehicle door with the window in the down position.
Said vehicle window 14 and said mounting member 28 and said tapped-axle motor 8 have traveled vertically downward along the curved threaded rod 25 to a lower position thus placing the vehicle window 14 in the open position.
In applications where availability of space inside the vehicle door is a concern, a narrow mounting member 28 of Fig-16 may be used. Said narrow connecting member 28 is particularly suitable for smaller type windows.
To provide guiding functionality, Fig-17 illustrates how a guiding member 33, comprising a rail or a rod or other, is mounted parallel to the threaded rod 9 or 25, and said guiding member 33 is slidingly engaged by a connecting member 34 (or a modified mounting member 28) to provide support and guiding during motor 8 travel.
Fig-18 illustrates how a plurality of tapped axle motors 8 may engage a single threaded rod 9 to transfer a vehicle window 14 or other unit 35 along said single threaded rod 9 or 25.
Claims (74)
1) A window regulating assembly for selectively moving a vehicle window between an open position and a closed position, said window regulator assembly comprising;
a) a threaded rod securable vertically to a vehicle door and extending through a radius of curvature of a travel path of a vehicle window;
b) an enclosing electric-motor housing with front and rear walls having axially aligned openings for freely passing said threaded rod to extend in both directions;
c) an outside spin bi-directional electric motor integrated with said housing and including a radially inner hollow axle and a generally (concentric) radially outer rotor assembly;
d) said electric motor comprising a rotating inner axle, said axle comprising a concentrically hollow core extending the full length of the axle, said axle core being at least partly tapped such that said threaded rod enters the tapped axle core at one end and extends the length of the tapped axle core and said threaded rod exits the other end of the tapped axle, and the thread of said threaded rod engages the matching tap of said motor's tapped axle;
e) a drive motor housing comprising a can and an end-wall, and an opening axially aligned at each end such that the end walls of the motor-axle are open for passing said threaded rod through the tapped axle of said motor in a nut and screw type manner with the threaded rod acting as the screw and the tapped axle acting as the nut;
f) a method for securing the vehicle window to said motor housing such that the vehicle window and said motor travel together along said threaded rod;
g) a method for restricting the electric motor housing from revolving about the threaded rod during rotation of the tapped axle while allowing linear travel of the motor along the length of the threaded rod;
h) a bushing disposed radially at each end of the motor axle, said bushing positioned between said motor axle and said motor housing;
i) a window regulating assembly wherein said threaded rod extends through the tapped core of said tapped axle of said bi-directional electric motor such that when said motor is energized the electric-motor's tapped axle rotates causing the electric motor and the secured vehicle window to travel along the threaded rod in a to-and-fro motion;
a) a threaded rod securable vertically to a vehicle door and extending through a radius of curvature of a travel path of a vehicle window;
b) an enclosing electric-motor housing with front and rear walls having axially aligned openings for freely passing said threaded rod to extend in both directions;
c) an outside spin bi-directional electric motor integrated with said housing and including a radially inner hollow axle and a generally (concentric) radially outer rotor assembly;
d) said electric motor comprising a rotating inner axle, said axle comprising a concentrically hollow core extending the full length of the axle, said axle core being at least partly tapped such that said threaded rod enters the tapped axle core at one end and extends the length of the tapped axle core and said threaded rod exits the other end of the tapped axle, and the thread of said threaded rod engages the matching tap of said motor's tapped axle;
e) a drive motor housing comprising a can and an end-wall, and an opening axially aligned at each end such that the end walls of the motor-axle are open for passing said threaded rod through the tapped axle of said motor in a nut and screw type manner with the threaded rod acting as the screw and the tapped axle acting as the nut;
f) a method for securing the vehicle window to said motor housing such that the vehicle window and said motor travel together along said threaded rod;
g) a method for restricting the electric motor housing from revolving about the threaded rod during rotation of the tapped axle while allowing linear travel of the motor along the length of the threaded rod;
h) a bushing disposed radially at each end of the motor axle, said bushing positioned between said motor axle and said motor housing;
i) a window regulating assembly wherein said threaded rod extends through the tapped core of said tapped axle of said bi-directional electric motor such that when said motor is energized the electric-motor's tapped axle rotates causing the electric motor and the secured vehicle window to travel along the threaded rod in a to-and-fro motion;
2) A window regulating assembly as in Claim 1 wherein rotational motion of said tapped axle is converted into linear motion along the threaded rod to move said motor and said vehicle window through a curvilinear path defined by the radius of curvature of the threaded rod;
3) A window regulating assembly as in Claim 1 wherein movement of the electric motor, including said motor housing and said tapped axle, and attached vehicle window is along the immobilized threaded rod in the upward direction and in the downward direction;
4) A window regulating assembly as in Claim 1 wherein the direction of travel of the motor along the threaded rod will depend on the direction of rotation of the tapped-axle of the bi-directional electric motor;
5) A window regulating assembly as in Claim 1 wherein the linear distance of the tap along the tapped axle core is such that a curved threaded rod passes through the axle core and engages the tap of the axle without jamming;
6) A window regulating assembly as in Claim 5 wherein said linear distance of the tap along the axle core ensures sufficient contact between the tap of the axle and the thread of the rod to perform functional needs, said distance generally to extend a minimum linear distance of 0.5 inches;
7) A window regulating assembly as in Claim 5 wherein said linear distance of the tap ensures sufficient contact between the tap of the axle and the thread of the rod to perform functional needs, said distance generally not to exceed a linear distance of 1.5 inches;
8) A window regulating assembly as in Claim 5 wherein the tap of said tapped axle is preceded and succeeded by a concentric clearance opening of sufficient clearance to allow a curved threaded rod to extend the length of the tapped axle, said threaded rod engaging the tap of the tapped axle, without said threaded rod jamming into said radial clearance walls of said tapped axle;
9) A window regulating assembly as in Claim 5 wherein the linear distance of engagement between the thread of the threaded rod and the tap of the tapped axle is such that the rod's curvilinear deviation from a straight path along said linear distance of engagement is less than the margin of play between the threaded rod and the tap of the axle along said linear distance;
10) A window regulating assembly as in Claim 5 wherein the linear distance of engagement between the threaded rod and the tapped axle is such that at least a minimal margin of play remains between the thread and the tap along said linear distance of engagement;
11 ) A window regulating assembly as in Claim 5 wherein if the linear distance of engagement between the threaded rod and the tapped axle is less than the linear length of the motor axle, such that the rod cannot extend the full length of the axle core without making contact with said core wall(s), then a concentric clearance hole of sufficient diameter will proceed and/or succeed the tap of the axle, said clearance hole being sufficiently large to allow said threaded rod to extend beyond the axle's inner core walls unobstructed;
12) A window regulating assembly as in Claim 1 wherein said partial tap of the tapped axle core extends generally from the linear center of the motor axle core in both directions thus having the tap centered within the tapped axle core;
13) A window regulating assembly as in Claim 1 wherein marginal play exists between the thread of the curved threaded rod and the tap of the tapped axle, such that given a threaded rod of a specific curvature, the linear length of tap along the tapped axle must be sufficiently short such that the curvature's axial deviation from a straight path of the rod, along the distance where the rod engages the tap, said curvature does not exceed said margin of play between the threaded rod and the tap of the tapped axle;
14) a)A window regulating assembly as in Claim 1 wherein said hollow core is at least partly tapped, and said tap extends a linear distance "L" along the hollow axle core, and;
b) said tap is generally centered within the hollow core of said axle;
c) a curved threaded rod enters said hollow axle core at one end, said rod extends the full length of the hollow axle core and said rod exits the other end of the hollow axle, and the thread of the threaded rod engages the tap of the tapped axle along the linear distance "L";
d) marginal play exists between the thread of said curved threaded rod and the tap of said tapped axle along the distance of engagement of the thread and tap referred to as linear distance "L";
e) deviation of the curvature of the rod from the straight axis of the tap along said distance of engagement "L" is made not to exceed said margin of play between the thread and the tap;
f) a clearance hole concentric to the tapped axle core precedes and succeeds the tap of the core such that the curved rod extends though both sides of the distance of engagement "L" without jamming into the axle core;
g) for practical applications, distance "L" is generally between 0.500 inches and 2.000 inches;
b) said tap is generally centered within the hollow core of said axle;
c) a curved threaded rod enters said hollow axle core at one end, said rod extends the full length of the hollow axle core and said rod exits the other end of the hollow axle, and the thread of the threaded rod engages the tap of the tapped axle along the linear distance "L";
d) marginal play exists between the thread of said curved threaded rod and the tap of said tapped axle along the distance of engagement of the thread and tap referred to as linear distance "L";
e) deviation of the curvature of the rod from the straight axis of the tap along said distance of engagement "L" is made not to exceed said margin of play between the thread and the tap;
f) a clearance hole concentric to the tapped axle core precedes and succeeds the tap of the core such that the curved rod extends though both sides of the distance of engagement "L" without jamming into the axle core;
g) for practical applications, distance "L" is generally between 0.500 inches and 2.000 inches;
15) A window regulating assembly as in Claim 1 wherein the general principle applies that as the radius of curvature of the threaded rod decreases then the linear length of the tap along the tapped axle core decreases in order to prevent jamming of the device during motor-axle rotation;
16) A window regulating assembly as in Claim 1 wherein the linear length of the tap along the tapped axle is at minimum 0.5 inches;
17) A window regulating assembly as in Claim 1 wherein if the vehicle window is guided by a mechanism external to the window regulator then securing the window to the electric motor housing either directly or indirectly serves to prevent the motor housing from revolving about the threaded rod during motor energization;
18) A window regulating assembly as in Claim 1 wherein said motor housing is restricted from spinning about the threaded rod during motor operation;
19) A window regulating assembly as in Claim 1 wherein if said window regulator performs a guiding function in addition to opening and closing a vehicle window, then a vertical guiding member (such as a rail or a rod or other) is of equal curvature to the threaded rod and the guiding member is mounted adjacent and equidistant to the threaded rod such that a connecting member secured permanently to the motor housing will engage said guiding member slidingly, and said guiding member being fixedly secured at each end;
20) A window regulating assembly as in Claim 1 wherein said vehicle window is secured:
a) directly to said motor housing, or;
b) indirectly to said motor housing by means of a connecting member;
a) directly to said motor housing, or;
b) indirectly to said motor housing by means of a connecting member;
21) A window regulating assembly as in Claim 21 wherein either method of mounting said vehicle window to said motor housing provides balanced support for the lower end of the window to preventing window tilting during operation;
22) A window regulating assembly as in Claim 21 wherein the lower end of the window is attached either to the mounting plate or to the motor housing;
23) A window regulating assembly as in Claim 22 wherein points) of attachment of said window to said mounting plate (or said motor housing) is/are along the general center of the general lower edge of the window;
24) A window regulating assembly as in Claim 22 wherein point(s) of attachment of said window to said mounting plate (or said motor housing) is/are generally symmetrical along the general center of the general lower edge of the window;
25) A window regulating assembly as in Claim 1 wherein said vehicle window is secured directly or indirectly to the electric motor and said window is guided along a pathway;
26) A window regulating assembly as in Claim 1 wherein said vehicle window is secured directly or indirectly to the electric motor and said window serves to prevent the motor from revolving about the threaded rod during motor operation;
27) A window regulating assembly as in Claim 1 wherein said threaded rod is vertically mounted in the general center of the horizontal length of the vehicle door;
28) A window regulating assembly as in Claim 1 wherein said threaded rod is mounted generally vertically in the vehicle door however said threaded red may be mounted marginally askew depending on application;
29) A window regulating assembly as in Claim 1 wherein said tapped axle of said motor serves as a rotating nut, said rotating nut threadingly engageable with said threaded rod;
30) A window regulating assembly as in Claim 1 wherein said threaded rod extends through a curvilinear path defined by the radius of curvature of the vehicle window;
31) A window regulating assembly as in Claim 1 wherein said threaded rod extends through a straight, linear path;
32) A window regulating assembly as in Claim 1 wherein said threaded rod extends vertically between an upper end of the vehicle door and a lower end of the vehicle door;
33) A window regulating assembly as in Claim 1 wherein at least one end of the vertically-mounted threaded rod is secured to the vehicle door;
34) A window regulating assembly as in Claim 1 wherein both ends of the vertically-mounted threaded rod are secured to the vehicle door;
35) A window regulating assembly as in Claim 1 wherein the threaded rod is immobilized in the vehicle door;
36) A window regulating assembly as in Claim 1 wherein both ends of the vertically-mounted threaded rod are secured to the vehicle door, and both ends of said vertically-mounted threaded rod are immobilized;
37) A window regulating assembly as in Claim 1 wherein said threaded rod is between 0.250" and 0.500" in diameter;
38) A window regulating assembly as in Claim 1 wherein said threaded rod is consistent in rod-diameter throughout the distance of travel of the electric motor;
39) A window regulating assembly as in Claim 1 wherein said threaded rod is consistent in rod-curvature throughout the distance of travel of the electric motor;
40) A window regulating assembly as in Claim 1 wherein said threaded rod includes variation in rod-curvature along the distance of travel of said electric motor;
41) A window regulating assembly as in Claim 1 wherein said threaded rod is consistent in thread size throughout the distance of travel of the electric motor;
42) A window regulating assembly as in Claim 1 wherein said threaded rod is consistent in thread pitch throughout the distance of travel of the electric motor;
43) A window regulating assembly as in Claim 1 wherein said threaded rod is metallic;
44) A window regulating assembly as in Claim 1 wherein said threaded rod is plastic;
45) A window regulating assembly as in Claim 1 wherein said threaded rod comprises a solid core;
46) A window regulating assembly as in Claim 1 wherein said threaded rod comprises a hollow core;
47) A window regulating assembly as in Claim 1 wherein said threaded rod is flexible;
48) A window regulating assembly as in Claim 1 wherein each end of said threaded rod is secured to the vehicle door by means of a mounting member;
49) A window regulating assembly as in Claim 49 wherein said threaded rod is secured to the vehicle door at both ends by means of a stamped bracket;
50) A window regulating assembly as in Claim 49 wherein said threaded rod is secured to the vehicle door at both ends by means of a die-cast member;
51) A window regulating assembly as in Claim 49 wherein said threaded rod and a mounting member at either end of the threaded rod are (die cast as) one unit;
52) A window regulating assembly as in Claim 1 wherein said threaded rod is unobstructed along the motor's travel path to allow the electric motor to travel along the length of the threaded rod;
53) A window regulating assembly as in Claim 1 wherein said threaded rod is made of a material that is not affected by magnetism;
54) A window regulating assembly as in Claim 1 wherein said threaded rod is made of a material that is affected by magnetism;
55) A window regulating assembly as in Claim 1 wherein said tapped axle is made of a material that is not affected by magnetism;
56) A window regulating assembly as in Claim 1 wherein said tapped axle is made of a material that is affected by magnetism;
57) A window regulating assembly as in Claim 1 wherein the radial-curvature of the threaded rod is approximately plus or minus 1.0 inch (or less) than the radial curvature of the vehicle window;
58) A window regulating assembly as in Claim 1 wherein the vehicle window travels along the outside of the curvature of the threaded rod;
59) A window regulating assembly as in Claim 1 wherein the vehicle window travels along the inside of the curvature of the threaded rod;
60) A window regulating assembly as in Claim 1 wherein said threaded rod is sufficiently sturdy such that said threaded rod is resistant to physical deformation of shape under regular operating load conditions;
61) A window regulating assembly as in Claim 1 wherein the thread of said threaded rod and the tap of said tapped axle serve as a direct gearing mechanism;
62) A window regulating assembly as in Claim 61 wherein the thread of said threaded rod and the matching tap of said tapped axle will vary depending on motor used, load requirements, speed of window travel, cycle time, and motor rotations per minute;
63) A window regulating assembly as in Claim 1 wherein the said connecting member and the can of said motor housing and said end-wall of the motor housing are three separate units;
64) A window regulating assembly as in Claim 1 wherein the said connector and the can of the said motor housing are one unit and the vehicle window is mounted directly to said unit;
65) A window regulating assembly as in Claim 1 wherein the said connector and the end-wall of said motor housing are one unit and the vehicle window is mounted directly to said unit;
66) A window regulating assembly as in Claim 1 wherein the vehicle window to be transferred is secured directly to the motor housing;
67) A window regulating assembly as in Claim 1 wherein the vehicle window to be transferred is secured to a connector which is secured to the electric motor housing;
68) A window regulating assembly as in Claim 1 wherein a bearing disposed radially at each end of the motor axle is positioned between said motor axle and said motor housing;
69) A window regulating assembly as in Claim 1 wherein a plurality of electric motors are mounted along said threaded rod, each motor comprising a hollow tapped axle and said tap of each motor engaging the thread of the threaded rod, and each motor moving independently of one another for performing linear transfer functions;
70) A window regulating assembly as in Claim 1 wherein for select applications where the window regulator is required to provide a guiding function for the vehicle window, said window regulator will include:
a) a guide rail or a guide rod or a guide member;
b) said guide comprises a radial curvature equal to that of the threaded rod;
c) said guide member extends adjacent said threaded rod;
d) said guide member is secured to the vehicle door at one or both ends;
e) said guide member is engaged by a connecting member joining said electric motor housing and the guide member;
f) said guide member is slidingly engaged by said connecting member;
g) said connecting member is affixed to said tapped-axle motor;
a) a guide rail or a guide rod or a guide member;
b) said guide comprises a radial curvature equal to that of the threaded rod;
c) said guide member extends adjacent said threaded rod;
d) said guide member is secured to the vehicle door at one or both ends;
e) said guide member is engaged by a connecting member joining said electric motor housing and the guide member;
f) said guide member is slidingly engaged by said connecting member;
g) said connecting member is affixed to said tapped-axle motor;
71) A window regulating assembly as in Claim 1 wherein for select applications where the window regulator is required to provide a function of collision protection, said threaded rod of diameter exceeding 0.500 inches is used to act as a side door impact protection member;
72) A window regulating assembly as in Claim 1 wherein magnets of the electric motor which are external to the rotor assembly are permanent type magnets;
73) A window regulating assembly as in Claim 1 wherein magnets of the electric motor which are external to the rotor assembly are electromagnets;
74) A window regulating assembly as in Claim 1 wherein magnets of the tapped axle motor, which are external to the rotor assembly, are aligned along the horizontal edge of the lower part of the vehicle window;
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA 2510712 CA2510712A1 (en) | 2005-06-30 | 2005-06-30 | Direct drive vehicle window regulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA 2510712 CA2510712A1 (en) | 2005-06-30 | 2005-06-30 | Direct drive vehicle window regulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA2510712A1 true CA2510712A1 (en) | 2006-12-30 |
Family
ID=37561608
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA 2510712 Abandoned CA2510712A1 (en) | 2005-06-30 | 2005-06-30 | Direct drive vehicle window regulator |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA2510712A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112081488A (en) * | 2020-10-23 | 2020-12-15 | 范华弟 | Screw rod driving quadrilateral movement mechanism of automobile glass lifter |
| CN114991616A (en) * | 2022-04-14 | 2022-09-02 | 翊天汽车智能科技(浙江)有限公司 | Method for realizing single-stay-rod and double-stay-rod dual-purpose electric tail gate controller |
-
2005
- 2005-06-30 CA CA 2510712 patent/CA2510712A1/en not_active Abandoned
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112081488A (en) * | 2020-10-23 | 2020-12-15 | 范华弟 | Screw rod driving quadrilateral movement mechanism of automobile glass lifter |
| CN114991616A (en) * | 2022-04-14 | 2022-09-02 | 翊天汽车智能科技(浙江)有限公司 | Method for realizing single-stay-rod and double-stay-rod dual-purpose electric tail gate controller |
| CN114991616B (en) * | 2022-04-14 | 2023-09-12 | 翊天汽车智能科技(浙江)有限公司 | Method for realizing single-stay bar and double-stay bar dual-purpose electric tail gate controller |
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| EEER | Examination request | ||
| FZDE | Dead |