Lubrication pump

Abstract

An apparatus for delivering a lubricating oil into a lower unit housing through a hole in the housing, the apparatus comprising an oil container having a neck portion and a main body. The main body defined by a main body wall for containing the lubricating oil. The main body wall being sufficiently thick to withstand pressure of up to 30 pounds per square inch. A pumping mechanism is attached to the oil container, the pumping mechanism comprising a pumping component comprising a plunger housing and an air moving plunger movable within the plunger housing, and an outer sleeve positioned within the container. The plunger housing is positioned within the outer sleeve, the plunger housing having an air valve disposed at a distal end thereof for expelling air into the outer sleeve, the air being moved by the plunger. The outer sleeve includes at least one air hole positioned above an oil level in the container such that when the air is expelled through the air valve, the air enters the container above the oil level. An oil delivery mechanism comprising a flexible hose attached to an outlet of the container, the outlet positioned proximate a bottom of the container and a hand operable nozzle attached to the hose at another end, the nozzle comprising a frusto-conical tip for engaging the hole of the lower unit housing.

1 . An apparatus for delivering a lubricating oil in a lower unit of an I/O drive, through a hole in a housing of the lower unit, the apparatus comprising:
 an oil container having a neck portion and a main body, the main body defined by a main body wall for containing the lubricating oil, the main body wall being sufficiently thick to withstand pressure of up to  30  pounds per square inch;   a pumping mechanism attached to the oil container, the pumping mechanism comprising a pumping component comprising a plunger housing and an air moving plunger movable within the plunger housing, and an outer sleeve positioned within the container wherein the plunger housing is positioned within the outer sleeve, the plunger housing having an air valve disposed at a distal end thereof for expelling air into the outer sleeve, the air being moved by the plunger, and wherein the outer sleeve includes at least one air hole positioned above an oil level in the container such that when the air is expelled through the air valve, the air enters the container above the oil level; and   an oil delivery mechanism comprising a flexible hose attached to an outlet of the container, the outlet positioned proximate a bottom of the container and a hand operable nozzle attached to the hose at another end, the nozzle comprising a frusto-conical tip for engaging the hole of the lower unit housing.   
     
     
         2 . The apparatus of  claim 1  wherein said pumping mechanism further comprises a collar that engages the neck portion of the oil container sufficiently to provide an air seal within the oil container sufficient to withstand at least the  30  pounds per square inch of pressure. 
     
     
         3 . The apparatus of claim I wherein the said oil container further comprises a safety relief valve positioned at a top portion of said main body. 
     
     
         4 . The apparatus of claim I wherein the valve is a flapper valve. 
     
     
         5 . The apparatus of  claim 1  wherein the plunger includes a plurality of air compartments, the air compartments for moving air through the air plunger and then through the air valve. 
     
     
         6 . The apparatus of  claim 2  wherein the outer sleeve is threadably attached to the collar. 
     
     
         7 . The apparatus of  claim 1  and further including a handle fixedly attached to the plunger for use in carrying the apparatus and for moving the plunger within the plunger housing. 
     
     
         8 . The apparatus of  claim 7  and further comprising a locking mechanism for locking the handle and the plunger with respect to the container. 
     
     
         9 . The apparatus of  claim 8  wherein the locking mechanism includes a pair of spaced part stanchions, each stanchion having a slot, and a rotatable plate attached to the handle, the rotatable plate being wider in one direction such that when the plate is rotated by rotating the handle, the plate engages the slots of the stanchion thereby locking the handle on the plunger.