Pull-start engine with a lubricating unit

Details Pull-start engine with a lubricating unit Pull-start engine with a lubricating unit

2007-07-17

2007-07-17

Cronin, Stephen K. (Department: 3747)

Internal-combustion engines

Starting device

Mechanical

C123S185200, C123S1960CP, C123S1960CP

Reexamination Certificate

active

11483630

ABSTRACT:
A pull-start engine includes a crankcase unit, a pull-start unit, a gearbox unit, and a lubricating unit. The crankcase unit includes a crankcase and a crankshaft. The gearbox unit includes a gearbox and a drive shaft. The pull-start unit is sleeved fixedly on the crankshaft. A surrounding wall of the pull-start unit has an inner wall surface formed with an annular inner slot communicated with a lubricant passage in the crankshaft, an outer wall surface formed with a through hole communicated with the inner slot, and two annular flanges flanking the through hole so as to define an annular outer slot therebetween. The lubricating unit includes an entrance passage formed in the crankcase and communicated with the outer slot, and a connecting passage formed in the crankcase and the gearbox and communicated with the outer slot and a lubricant passage in the drive shaft.

REFERENCES:
patent: 2386703 (1945-10-01), McElmurray
patent: 3044239 (1962-07-01), Harkness
patent: 6394061 (2002-05-01), Ryu et al.
patent: 6786187 (2004-09-01), Nagai et al.
patent: 2002/0023613 (2002-02-01), Ito et al.

Affiliated with

Also associated with

Rating

Pull-start engine with a lubricating unit does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Pull-start engine with a lubricating unit, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Pull-start engine with a lubricating unit will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3803257