Patent US3774469A successfully refreshed from Google Patents.
US3774469A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gear shift mechanism
Assignee: JSJ CORPORATION-MICHIGAN
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Filing: 1972-04-24
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Granted: 1973-11-27
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Expires: 1992-04-24
Abstract
Abstract A gear shifting mechanism having a plurality of gear actuating members mounted in a housing for sliding movement in response to shifting movement of a selector. The selector has engaging means movably mounted in the housing by said selector for movement to different positions for engagement with different ones of said slidably mounted actuating members to effect movement thereof. The gear shifting mechanism also has a novel lift gate system for moving the engaging means of the lever out of its stop abutting position where it actuates the forward gears and into reverse gear position.
Inventors
- 👤 M Bruhn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 09:45
CPC Classifications
F; F16; F16H; F16H59/00; F16H59/02; F16H59/04; F16H59/042; F16H63/00; F16H63/02; F16H63/30; F16H63/3009; Y; Y10; Y10T; Y10T74/00; Y10T74/20; Y10T74/20012; Y10T74/20018; Y10T74/20085; Y10T74/20091
Claims Analysis
Total Claims: 18
Claim 1
Independent Claim
143 words
A shifting mechanism comprising: a housing; a plurality of gear actuating members mounted in said housing, said actuating members being arcuate in shape; a selector having an extending arm member thereon for selectively engaging one of said plurality of gear-actuating members; means mounting said selector within said housing for causing said engaging means to move into different positions for selectively engaging different ones of said actuating members for moving said actuator members into a gear-activating position; guide means for said actuator members, said actuator members being mounted for sliding movement in said guide means and cooperable engaging means on said actuator members providing a selective operable connection between said engaging means on said selector and said actuator member; said operable connection including a notch in one of said actuator members and extending arm member receiving an extension of the other of said members.
Claim 2
Dependent Claim
143 words
A shifting mechanism comprising: a housing; a plurality of gear actuating members mounted in said housing, said actuating members being arcuate in shape; a selector having an extending arm member thereon for selectively engaging one of said plurality of gear-actuating members; means mounting said selector within said housing for causing said engaging means to move into different positions for selectively engaging different ones of said actuating members for moving said actuator members into a gear-activating position; guide means for said actuator members, said actuator members being mounted for sliding movement in said guide means and cooperable engaging means on said actuator members providing a selective operable connection between said engaging means on said selector and said actuator member; said operable connection including a notch in one of said actuator members and extending arm member receiving an extension of the other of said members.
Claim 3
Dependent Claim
62 words
The apparatus as defined in claim 1 wherein two actuator members are slidably mounted in said housing, said arm member is on said selector and said notch is provided on each of said actuator members, said arm member engageable with one of said actuator members in a first position and engageable with the other of said actuator members in a second position.
Claim 4
Dependent Claim
51 words
The apparatus as defined in claim 1 including at least a pair of actuating members including a forward gear actuator member; a reverse gear actuator member and gate means associated with said reverse gear actuator member to prevent accidental engagement thereof with movement of said selector about one of said axis.
Claim 5
Dependent Claim
78 words
The apparatus as defined in claim 3 wherein said gate means includes a notch in said gear actuator members, said notch in said reverse gear actuator member having a depth less than that of said notch in said forward gear actuator members to prevent engagement of said arm member into said reverse gear notch; and camming means on said selector to shift said arm member into said notch upon the application of an upward force on said selector.
Claim 6
Dependent Claim
47 words
The apparatus as defined in claim 4 wherein said camming means includes means on said selector wherein said arm member is shiftable vertically with respect to said actuators to allow passage of said arm member through said gate means into said notch in said reverse gear actuator.
Claim 7
Dependent Claim
40 words
The apparatus as defined in claim 5 and further including biasing means on said selector for urging said selector arm into said notch in said forward gear actuator members when said notch in said reverse gear is in alignment therewith.
Claim 8
Dependent Claim
26 words
The apparatus as defined in claim 6 wherein said notches in said forward and said reverse gear actuators when in alignment, define a neutral gear position.
Claim 9
Dependent Claim
118 words
A gear shift mechanism comprising: a housing; a selector; means mounting said selector in said housing for rotation about an axis; a plurality of gear actuating members in said housing spaced radially from the said axis of said selector, said actuating members being arcuate in shape and mounted side-by-side parallel to each other for sliding movement in said housing through an arc defined about said axis; and engaging means on said selector, said engaging means being movabLe in a direction substantially along said axis for operatively and selectively engaging said actuator members one at a time whereby rotation of said selector about said axis effects a corresponding sliding movement of one of said actuator members through said arc.
Claim 10
Dependent Claim
118 words
A gear shift mechanism comprising: a housing; a selector; means mounting said selector in said housing for rotation about an axis; a plurality of gear actuating members in said housing spaced radially from the said axis of said selector, said actuating members being arcuate in shape and mounted side-by-side parallel to each other for sliding movement in said housing through an arc defined about said axis; and engaging means on said selector, said engaging means being movabLe in a direction substantially along said axis for operatively and selectively engaging said actuator members one at a time whereby rotation of said selector about said axis effects a corresponding sliding movement of one of said actuator members through said arc.
Claim 11
Dependent Claim
25 words
The gear shift mechanism as defined in claim 8 wherein said selector is also pivotally mounted about an axis perpendicular to said previously mentioned axis.
Claim 12
Dependent Claim
85 words
The gear shift mechanism as defined in claim 8 wherein said engaging means comprises an arm member pivotally mounted on said selector for movement along a plane transverse to said axis; and means on each of said actuator members selectively engageable by said arm member whereby a selected one of said actuator levers may be engaged by said arm member upon movement along said plane and said selected actuator lever is movable through said arc in response to movement of said selector about said axis.
Claim 13
Dependent Claim
71 words
The apparatus as defined in claim 10 and further including gate means adjacent one of said actuator members to normally prevent engagement of said arm member with said one of said actuator members; means supporting said arm member for vertical movement, said arm member shiftable vertically with respect to said axis to allow passage of said arm member through said gate means for engagement with said one of said actuator members.
Claim 14
Dependent Claim
51 words
The apparatus as defined in claim 8 wherein said plurality of gear actuating members including a forward gear actuator member and a reverse gear actuator member and further including gate means associated with said reverse gear actuator member to prevent accidental engagement thereof with movement of said selector about said axis.
Claim 15
Dependent Claim
83 words
The apparatus as defined in claim 12 wherein said gate means includes a notch in said gear actuator members, said notch in said reverse gear actuator member having a depth less than that of said notch in said forward gear actuator member to prevent engagement of said arm member into said reverse gear notch; and camming means on said selector to shift said arm member into said notch in said reverse gear actuator upon the application of an upward force on said selector.
Claim 16
Dependent Claim
48 words
The apparatus as defined in claim 13 wherein said camming means includes means on said selector wherein said arm member is shiftable vertically with respect to said actuator members to allow passage of said arm member through said gate means into said notch in said reverse gear actuator.
Claim 17
Dependent Claim
40 words
The apparatus as defined in claim 14 and further including biasing means on said selector for urging said selector arm into said notch in said forward gear actuator members when said notch in said reverse gear is in alignment therewith.
Claim 18
Dependent Claim
26 words
The apparatus as defined in claim 15 wherein said notches in said forward and said reverse gear actuators when in alignment, define a neutral gear position.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-11-26 | 1977-05-28 | 1977-11-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-11-26 | 1981-05-28 | 1981-11-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-11-26 | 1985-05-28 | 1985-11-27 | $7700.00 | Window Closed / Lapsed |