Pull down engine starter

Internal-combustion engines – Starting device – Mechanical

Reexamination Certificate

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Details

C074S140000

Reexamination Certificate

active

06244233

ABSTRACT:

BACKGROUND OF THE INVENTION
This invention relates to pulling pull-start ropes down vertically instead of horizontally or obliquely for starting small engines having rewind or pull-line starters.
Pulling a rewind-starter pull rope horizontally, obliquely or laterally for starting a small engine is problematic, difficult and undesirable for various reasons that relate specifically to different vehicles and machines that use small engines with pull-rope starters in order to avoid weight and cost of electrical starters and electrical systems.
For recreational go-carts, pull-starting is particularly troublesome and quite dangerous. One person must be in the driver's seat at the controls while another pull-starts the engine from behind the go-cart to prevent it from running away on its own if a malfunction occurs, such as the failure of a clutch, throttle control or torque converters. The problem is compounded when a single individual in a go-cart has to restart it when no one else is around and there is no huge object against which to buttress the front of it.
Pull-starting engines on small equipment has a set of problems related to basing one's self for horizontal or oblique pulling while also avoiding pulling or tipping the small equipment.
SUMMARY OF THE INVENTION
In light of these problems with rewind pull-starting of small engines, objects of patentable novelty and utility taught by this invention are to provide a pull-down engine starter which:
allows go-cart drivers to pull-start rewind-starter engines from a driver's seat with one or both hands;
facilitates use of rewind starter engines on select small equipment that now requires electric starters; and
stabilizes personal positioning for pull-starting engines on a wide variety of small equipment and large tools easier and safer.
This invention accomplishes these and other objectives with a pull-down line that is attached to a pull-start line or directly to a rewind-starter wheel and then pulley-routed to a suspension pulley from which a handle end of the starter line is suspended to conveniently grasping proximity to a user position. For a go-cart or other rider-operated vehicle with a rewind starter, the user position is a driver's seat or a machine-operator position on the vehicle. For walk-behind machines and other non-ride machines with rewind-starter engines, the user position is generally lateral to the engine.
The above and other objects, features and advantages of the present invention should become even more readily apparent to those skilled in the art upon a reading of the following detailed description in conjunction with the drawings wherein there is shown and described illustrative embodiments of the invention.


REFERENCES:
patent: 1156718 (1915-10-01), Stabler
patent: 2293322 (1942-08-01), Veach
patent: 5253540 (1993-10-01), Sanders et al.
patent: 5762037 (1998-06-01), Rothrock
patent: 3130044 A1 (1983-02-01), None

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