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公开(公告)号：US10793028B2
公开(公告)日：2020-10-06
申请号：US16299384
申请日：2019-03-12
Applicant: FISHER & COMPANY, INCORPORATED
Inventor： Mircea Napau , Doina Napau , Ileana Dacia Napau , Ioan Napau , Dean Lenane , Matthew Essian , Antal Teer , Sapan Poptani , Radu Calin Napau-Stoica
Abstract: A seat adjuster assembly including a housing, a worm, a worm gear, and a spindle screw is provided. The worm is disposed within the housing for rotation about a first axis and includes a helical thread. The worm gear is disposed within the housing for rotation about a second axis and is meshingly-engaged with the worm. The spindle screw extends through the housing and the worm gear for rotation about the second axis. The spindle screw is meshingly-engaged with the worm gear. The helical thread of the worm may be longitudinally crowned or double-crowned.
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Patent Agency Ranking
公开(公告)号：US11766956B2
公开(公告)日：2023-09-26
申请号：US17493287
申请日：2021-10-04
Applicant: FISHER & COMPANY, INCORPORATED
Inventor： Mircea Napau , Doina Napau , Ileana Dacia Napau , Ioan Napau , Dean Lenane , Matthew Essian , Antal Teer , Sapan M. Poptani , Radu Calin Napau-Stoica
CPC classification number: B60N2/0232 , B60N2/06 , B60N2002/0236
Abstract: A seat adjuster assembly for a vehicle seat assembly may include a housing, a worm, a spindle screw, a motor, and either a helical gear or a single-enveloping worm gear. The worm may be disposed within the housing for rotation about a first axis and having a thread. The helical gear or single-enveloping worm gear may be disposed within the housing for rotation about a second axis and meshingly-engaged with a pitch surface of the thread of the worm. The spindle screw may extend along the second axis and through the housing and the helical gear or single-enveloping worm gear. The spindle screw may be meshingly-engaged with the helical gear or single-enveloping worm gear. The motor may drive the worm to cause linear movement of the housing, worm, motor, and the helical gear or single-enveloping worm gear along the second axis.
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公开(公告)号：US10953772B2
公开(公告)日：2021-03-23
申请号：US16299384
申请日：2019-03-12
Applicant: FISHER & COMPANY, INCORPORATED
Inventor： Mircea Napau , Doina Napau , Ileana Dacia Napau , Ioan Napau , Dean Lenane , Matthew Essian , Antal Teer , Sapan Poptani , Radu Calin Napau-Stoica
Abstract: A seat adjuster assembly including a housing, a worm, a worm gear, and a spindle screw is provided. The worm is disposed within the housing for rotation about a first axis and includes a helical thread. The worm gear is disposed within the housing for rotation about a second axis and is meshingly-engaged with the worm. The spindle screw extends through the housing and the worm gear for rotation about the second axis. The spindle screw is meshingly-engaged with the worm gear. The helical thread of the worm may be longitudinally crowned or double-crowned.
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公开(公告)号：US11760233B2
公开(公告)日：2023-09-19
申请号：US16787420
申请日：2020-02-11
Applicant: FISHER & COMPANY, INCORPORATED
Inventor： Mircea Napau , Doina Napau , Ileana Dacia Napau , Radu Calin Napau-Stoica , Ioan Napau
CPC classification number: B60N2/067 , B60N2/0825
Abstract: A seat adjuster drive including a stationary track that is fixed to a vehicle and a sliding track that is arranged in sliding engagement with the stationary track for movement fore and aft. A gear box, mounted to the sliding track, supports a pinion that is part of a rack and pinion drive assembly. The gear box houses a conical spiral gear set and one or more planetary gear sets. The conical spiral gear set includes a conical pinion gear that is coupled to an electric motor and a conical spiral gear that is arranged in meshing engagement with the conical pinion gear. The conical spiral gear is carried on the pinion in a sliding fit. The one or more planetary gear sets rotatably couple the conical spiral gear and the pinion through a gear reduction.
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公开(公告)号：US11273506B2
公开(公告)日：2022-03-15
申请号：US17062931
申请日：2020-10-05
Applicant: FISHER & COMPANY, INCORPORATED
Inventor： Mircea Napau , Doina Napau , Ileana Dacia Napau , Ioan Napau , Dean Lenane , Matthew Essian , Antal Teer , Sapan M. Poptani , Radu Calin Napau-Stoica
Abstract: A method of manufacturing a gear drive for a seat adjuster assembly may include applying a cutting process to a worm gear blank to cut gear teeth into the worm gear blank and form a single-enveloping worm gear; forming a worm with a helical thread that includes a pitch surface that is configured to mesh with the gear teeth of the single-enveloping worm gear. A longitudinal crown is created on the pitch surface of the helical thread of the worm such that the pitch surface has an arcuate profile moving from a proximal end of the worm to a distal end of the worm. In addition, a crowned tooth profile is created on the helical thread of the worm that extends in an angular direction between a top land and a bottom land of the helical thread. The crowned tooth profile bows outwardly along a convex curve.
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6.发明申请公开(公告)号：US20190202322A1
公开(公告)日：2019-07-04
申请号：US16299384
申请日：2019-03-12
Applicant: FISHER & COMPANY, INCORPORATED
Inventor： Mircea Napau , Doina Napau , Ileana Dacia Napau , Ioan Napau , Dean Lenane , Matthew Essian , Antal Teer , Sapan Poptani , Radu Calin Napau-Stoica
CPC classification number: B60N2/165 , B60N2/0232 , B60N2/067 , B60N2/0715 , B60N2002/0236
Abstract: A seat adjuster assembly including a housing, a worm, a worm gear, and a spindle screw is provided. The worm is disposed within the housing for rotation about a first axis and includes a helical thread. The worm gear is disposed within the housing for rotation about a second axis and is meshingly-engaged with the worm. The spindle screw extends through the housing and the worm gear for rotation about the second axis. The spindle screw is meshingly-engaged with the worm gear. The helical thread of the worm may be longitudinally crowned or double-crowned.
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