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US3238807A Expired / Lapsed US ⏱️ 0.0 years remaining

Shifting arrangement

Assignee: Dr Ing HCF Porsche AG
•
Filing: 1963-07-25
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Granted: 1966-03-08
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Expires: 1983-07-25
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Abstract

No abstract record available.

Inventors

  • 👤 Hetmann Richard

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-03 13:29
CPC Classifications
F; F16; F16H; F16H63/00; F16H63/02; F16H63/08; F16H63/20; F16H63/30; F16H63/38; Y; Y10; Y10T; Y10T74/00; Y10T74/20; Y10T74/20012; Y10T74/20018; Y10T74/20085; Y10T74/20104; Y10T74/2011

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 235 words
A SHIFTING ARRANGEMENT FOR A MULTI-SPEED GEAR WHEEL CHANGE-SPEED TRANSMISSION, PARTICULARLY FOR MOTOR VEHICLES IN WHICH THE SHIFTING OPERATION OF THE VARIOUS SPEEDS IS REALIZED BY MEANS OF A SHIFTING FINGER, COMPRISING: A PLURALITY OF SHIFTING ROD MEANS ARRANGED MUTUALLY SUBSTANTIALLY PARALLELLY AND PROVIDED WITH APERTURE MEANS FORMING, IN THE NEUTRAL POSITION OF THE TRANSMISSION, A COMMON SHIFTING CHANNEL A HOUSING FOR SAID CHANGE-SPEED TRANSMISSION, A SHIFTING FINGER HAVING AN END PORTION ADAPTED TO BE RECEIVED WITHIN SAID APERTURE MEANS OF SAID SHIFTING ROD MEANS, MEANS FOR DISPOSING SAID SHIFTING FINGER FOR SWINGABLE MOVEMENT COMPRISING A ROTATABLE AND DISPLACEABLE SHIFTING SHAFT PIVOTALLY CONNECTED TO AN END PORTION OF SAID SHIFTING FINGER OPPOSITE TO SAID FIRST-NAMED END PORTION, BOLT MEANS SECURED TO SAID TRANSMISSION HOUSING, AND AN ELONGATED APERTURE IN SAID SHIFTING FINGER RECEIVING SAID BOLT MEANS, AND BLOCKING MEANS TO ENABLE ONLY THE DISPLACEMENT OF A SINGLE ONE OF SAID SHIFTING ROD MEANS AT ANY ONE TIME WHILE BLOCKING THE REMAINING SHIFTING ROD MEANS INCLUDING BOW-SHAPED MEANS PROVIDED WITH FREE LEG PORTIONS, SAID LEG PORTIONS EXTENDING BETWEEN SOME OF SAID SHIFTING ROD MEANS AND BEING PROVIDED WITHIN THE PLANE OF SAID SHIFTING CHANNEL WITH APERTURE MEANS FOR SHIFTING FINGER MEANS, SAID BOW-SHAPED MEANS ESSENTIALLY CONSISTING OF A SUBSTANTIALLY UPRIGHT U-SHAPED FLAT BAND HAVING A WEB PORTION CONNECTING THE FREE LEG PORTIONS THEREOF, MEANS INCLUDING SAID WEB PORTION SECURING SAID BOWSHAPED MEANS AT SAID TRANSMISSION HOUSING.
Claim 2
Dependent Claim 235 words
A SHIFTING ARRANGEMENT FOR A MULTI-SPEED GEAR WHEEL CHANGE-SPEED TRANSMISSION, PARTICULARLY FOR MOTOR VEHICLES IN WHICH THE SHIFTING OPERATION OF THE VARIOUS SPEEDS IS REALIZED BY MEANS OF A SHIFTING FINGER, COMPRISING: A PLURALITY OF SHIFTING ROD MEANS ARRANGED MUTUALLY SUBSTANTIALLY PARALLELLY AND PROVIDED WITH APERTURE MEANS FORMING, IN THE NEUTRAL POSITION OF THE TRANSMISSION, A COMMON SHIFTING CHANNEL A HOUSING FOR SAID CHANGE-SPEED TRANSMISSION, A SHIFTING FINGER HAVING AN END PORTION ADAPTED TO BE RECEIVED WITHIN SAID APERTURE MEANS OF SAID SHIFTING ROD MEANS, MEANS FOR DISPOSING SAID SHIFTING FINGER FOR SWINGABLE MOVEMENT COMPRISING A ROTATABLE AND DISPLACEABLE SHIFTING SHAFT PIVOTALLY CONNECTED TO AN END PORTION OF SAID SHIFTING FINGER OPPOSITE TO SAID FIRST-NAMED END PORTION, BOLT MEANS SECURED TO SAID TRANSMISSION HOUSING, AND AN ELONGATED APERTURE IN SAID SHIFTING FINGER RECEIVING SAID BOLT MEANS, AND BLOCKING MEANS TO ENABLE ONLY THE DISPLACEMENT OF A SINGLE ONE OF SAID SHIFTING ROD MEANS AT ANY ONE TIME WHILE BLOCKING THE REMAINING SHIFTING ROD MEANS INCLUDING BOW-SHAPED MEANS PROVIDED WITH FREE LEG PORTIONS, SAID LEG PORTIONS EXTENDING BETWEEN SOME OF SAID SHIFTING ROD MEANS AND BEING PROVIDED WITHIN THE PLANE OF SAID SHIFTING CHANNEL WITH APERTURE MEANS FOR SHIFTING FINGER MEANS, SAID BOW-SHAPED MEANS ESSENTIALLY CONSISTING OF A SUBSTANTIALLY UPRIGHT U-SHAPED FLAT BAND HAVING A WEB PORTION CONNECTING THE FREE LEG PORTIONS THEREOF, MEANS INCLUDING SAID WEB PORTION SECURING SAID BOWSHAPED MEANS AT SAID TRANSMISSION HOUSING.

References Cited (Backward Citations)

US2320454A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1969-03-07 1969-09-06 1970-03-08 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1973-03-07 1973-09-06 1974-03-08 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1977-03-07 1977-09-06 1978-03-08 $7700.00 Window Closed / Lapsed

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