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US3123058A Expired / Lapsed US ⏱️ 0.0 years remaining

wooge

Assignee: —
•
Filing: —
•
Granted: 1964-03-03
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Expires: 1981-03-03
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Abstract

No abstract record available.

Inventors

No inventors recorded.

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-02 15:57
CPC Classifications
F; F02; F02B; F02B75/00; F02B75/16; F02B75/18; F02B75/22; F02B75/222; F02F; F02F7/00; F02F7/0002; F02F7/0017; F02B2075/1804; F02B2075/1812

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 278 words
IN AN INTERNAL COMBUSTION ENGINE: (A) AN ENGINE BLOCK SHAPED TO FORM A CRANKCASE HAVING AN INNER SURFACE AND AN OPEN END, (B) SAID BLOCK HAVING A PLURALITY OF COMPRESSION AND COMBUSTION CYLINDERS CIRCUMFERENTIALLY DISPOSED IN RADIALLY EXTENDING RELATION ABOUT SAID CRANKCASE, (C) A CRANKSHAFT HAVING A PLURALITY OF CRANKS LOCATED WITHIN SAID CRANKCASE, SAID CRANKCASE BEING NON-SPLITTING LONGITUDINALLY OF SAID CRANKSHAFT, (D) PISTONS SLIDABLY CONTAINED IN EACH OF SAID CYLINDERS, A CONNECTING ROD OPERATIVELY CONNECTED TO EACH PISTON, A PLURALITY OF SAID CONNECTING RODS ROTATABLY CONNECTED TO EACH OF SAID CRANKS, (E) A PLURALITY OF SPIDERS FOR SUPPORTING SAID CRANKSHAFT WITHIN SAID CRANKCASE, SAID SPIDERS BEING LOCATED AT SPACED POINTS ALONG SAID CRANKSHAFT, (F) SAID SPIDERS EACH INCLUDING A BASE LEG EXTENDING RADIALLY OF SAID CRANKSHAFT AND HAVING AN INNER END TERMINATING ADJACENT THE AXIAL CENTER OF SAID CRANKCASE AND AN OUTER END SECURED TO SAID SURFACE, (G) SAID SPIDERS EACH INCLUDING A PAIR OF SIDE LEGS EACH HAVING AN INNER END JOINING SAID BASE LEG INNER END, SAID SIDE LEGS RESPECTIVELY EXTENDING RADIALLY OUTWARDLY FROM SAID BASE LEG INNER END AND HAVING OUTER ENDS SECURED TO SAID SURFACE AND SPACED FROM EACH OTHER DEFINING A SPACE THEREBETWEEN, (H) THE JUNCTURE OF SAID LEGS FORMING SPACED PLATFORMS ADJACENT THE AXIAL CENTER OF SAID CRANK CASE (I) REMOVABLE BEARING MEANS SECURED TO SAID PLATFORMS FOR ROTATABLY MOUNTING SAID CRANKSHAFT, AND (J) A REMOVABLE CLOSURE MEMBER FOR SELECTIVELY OPENING AND CLOSING SAID END OF SAID CRANKCASE, WHEREBY ACCESS IS PROVIDED THROUGH SAID END OF SAID CRANKCASE FOR REMOVING SAID PISTONS, CONNECTING RODS AND CRANKSHAFT FROM SAID CRANKCASE THROUGH THE SPACES BETWEEN SAID SPIDER SIDE LEGS WITHOUT SPLITTING SAID CRANKCASE.
Claim 2
Dependent Claim 278 words
IN AN INTERNAL COMBUSTION ENGINE: (A) AN ENGINE BLOCK SHAPED TO FORM A CRANKCASE HAVING AN INNER SURFACE AND AN OPEN END, (B) SAID BLOCK HAVING A PLURALITY OF COMPRESSION AND COMBUSTION CYLINDERS CIRCUMFERENTIALLY DISPOSED IN RADIALLY EXTENDING RELATION ABOUT SAID CRANKCASE, (C) A CRANKSHAFT HAVING A PLURALITY OF CRANKS LOCATED WITHIN SAID CRANKCASE, SAID CRANKCASE BEING NON-SPLITTING LONGITUDINALLY OF SAID CRANKSHAFT, (D) PISTONS SLIDABLY CONTAINED IN EACH OF SAID CYLINDERS, A CONNECTING ROD OPERATIVELY CONNECTED TO EACH PISTON, A PLURALITY OF SAID CONNECTING RODS ROTATABLY CONNECTED TO EACH OF SAID CRANKS, (E) A PLURALITY OF SPIDERS FOR SUPPORTING SAID CRANKSHAFT WITHIN SAID CRANKCASE, SAID SPIDERS BEING LOCATED AT SPACED POINTS ALONG SAID CRANKSHAFT, (F) SAID SPIDERS EACH INCLUDING A BASE LEG EXTENDING RADIALLY OF SAID CRANKSHAFT AND HAVING AN INNER END TERMINATING ADJACENT THE AXIAL CENTER OF SAID CRANKCASE AND AN OUTER END SECURED TO SAID SURFACE, (G) SAID SPIDERS EACH INCLUDING A PAIR OF SIDE LEGS EACH HAVING AN INNER END JOINING SAID BASE LEG INNER END, SAID SIDE LEGS RESPECTIVELY EXTENDING RADIALLY OUTWARDLY FROM SAID BASE LEG INNER END AND HAVING OUTER ENDS SECURED TO SAID SURFACE AND SPACED FROM EACH OTHER DEFINING A SPACE THEREBETWEEN, (H) THE JUNCTURE OF SAID LEGS FORMING SPACED PLATFORMS ADJACENT THE AXIAL CENTER OF SAID CRANK CASE (I) REMOVABLE BEARING MEANS SECURED TO SAID PLATFORMS FOR ROTATABLY MOUNTING SAID CRANKSHAFT, AND (J) A REMOVABLE CLOSURE MEMBER FOR SELECTIVELY OPENING AND CLOSING SAID END OF SAID CRANKCASE, WHEREBY ACCESS IS PROVIDED THROUGH SAID END OF SAID CRANKCASE FOR REMOVING SAID PISTONS, CONNECTING RODS AND CRANKSHAFT FROM SAID CRANKCASE THROUGH THE SPACES BETWEEN SAID SPIDER SIDE LEGS WITHOUT SPLITTING SAID CRANKCASE.

References Cited (Backward Citations)

US1285861A Cited
GB269713A Cited
US1819323A Cited
US1811625A Cited
US2030995A Cited
US2079571A Cited
US2178246A Cited
US2317154A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1967-03-03 1967-09-02 1968-03-03 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1971-03-03 1971-09-02 1972-03-03 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1975-03-03 1975-09-02 1976-03-03 $7700.00 Window Closed / Lapsed

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