Concentric shift rail mechanism

Transmission shift rail assembly has a single shift rod slidably received within an outer concentric tubular member. A first-second (1-2) speed fork is supported on the tubular member for movement therewith. A third-fourth (3-4) speed fork is slidably supported on the tubular shift rail for axial mo...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	RAZZACKI, SYED T
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING ENGINEERING ELEMENTS AND UNITS GEARING GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS HEATING LIGHTING MECHANICAL ENGINEERING TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION TECHNICAL SUBJECTS COVERED BY FORMER USPC TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS THERMAL INSULATION IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	Transmission shift rail assembly has a single shift rod slidably received within an outer concentric tubular member. A first-second (1-2) speed fork is supported on the tubular member for movement therewith. A third-fourth (3-4) speed fork is slidably supported on the tubular shift rail for axial movement relative thereto. A fifth speed fork is fixedly retained on one free end of the shift rod. The tubular member has a pair of diametrically opposed elongated control slots receiving a transverse cross pin which extends from the fifth speed shifter through the tubular member and rod. Journal bearings are provided between the outer tubular member and the inner shift rod. This arrangement enables the 1-2 speed fork having the highest shifting resistance, to be readily shifted on the journalled tubular member in a predetermined manner reducing gear shift lever operating efforts.