Lubricating-oil pump for a motor-driven apparatus

Details Lubricating-oil pump for a motor-driven apparatus Lubricating-oil pump for a motor-driven apparatus

1985-08-02

1987-01-13

Smith, Leonard E.

Pumps

Condition responsive control of drive transmission or pump...

Having means to hold or resist movement of pumping element

30122, 301234, 83169, 184 151, 184 33, B25F 102, B23Q 1112, F04B 4900

Patent

active

046361472

ABSTRACT:
A lubricating-oil pump is disclosed for a motor-driven apparatus such as a chain saw. The lubricating-oil pump delivers lubricating oil to a tool. The supply of lubricating oil from the oil pump to the tool can be interrupted. For example, in this way the flow of oil can be stopped when an accessory tool or the like is mounted on the motor-driven apparatus which requires no lubricating oil during operating.

REFERENCES:
patent: 2070203 (1937-02-01), Gregg
patent: 2650626 (1953-09-01), Kiekhaefer
patent: 2810409 (1957-10-01), Ibelle et al.
patent: 3448829 (1969-06-01), Rauh et al.
patent: 3809185 (1974-05-01), Kobayashi et al.
patent: 3938622 (1976-02-01), Densow
patent: 4231716 (1980-11-01), Kubota et al.

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