GB304285A - Engine starting mechanism - Google Patents

Abstract

304,285. Eclipse Machine Co., (Assignees of Lansing, R. P.). Jan. 18, 1928, [Convention date]. Turning-gear.-In an enging starter comprising a driving member 11 adapted to engage a member 12 of the engine and driven from an inertia device such as a flywheel 8, an igniting current is supplied at starting by an auxiliary magneto 52 driven from a member of the transmission gearing between the fly-wheel and the member 11. Rotation is imparted to the flywheel 8 by a hand- or power-actuated shaft 13 which carries a bevel wheel 16 gearing with a pinion 17 supported on a sleeve 18 formed on the end plate 19 of a drum 20. The end plate carries planetary pinions 26 which engage an outer fixed gear 27 and a central wheel 29 formed in one with a larger wheel having internal teeth 30 and external teeth with which engage a gear wheel 53 for actuating the magneto 52. The internal teeth 30 drive a pinion 31 carried by a drum 32 provided with a gear wheel 33 which engages a pinion mounted on a shaft 35 supporting the flywheel. Carried by the drum 20 are certain of the plates of a friction clutch, the companion plates being secured to a nut 40 in which is mounted for rotary and longitudinal movement a threaded shaft 43 having a driving connection with the sleeve 11<a> of a pair of clutch members 11, carried by which is a rod 46 free to slide in the shaft 43 and having a collar 46a which abuts against the inner end of the shaft. Pivoted to the outer end of the rod 46 is an arm 48 secured to a spindle 49 carrying a hand-actuated lever 50 by which the rod 46 is moved to advance or retract the shaft 43, which acts through a spring 45 to engage or disengage the clutch members 11, 12. In operation, the flywheel is rotated and when sufficient speed has been attained the clutch member 11 is advanced by movement of the lever 50. If the lever has been returned to its normal inoperative position, the clutch members 11, 12 will disengage automatically when the engine speed exceeds that of the starter. Should however the rod 46 still remain in its advanced position, the clutch member 11 will yield against the pressure of the spring 45. In a modified construction, the auxiliary magneto 52 is stationary during the speeding-up of the flywheel, the driving connection between the magneto and the starter being made at the same time as the clutching of the engine to the starter. For this purpose, the gear wheel 53, which runs as an idler, is provided on one face with teeth which are engaged by others formed on a sliding member connected to the magneto and advanced into its operative position by a system of links connected to the lever 50.