Piston driven one shot grease dispenser
OwnerRobert B Bowersinventor
Life of this patent
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Abstract
The device and method are for one shot greasing of tractor trailer fifth wheels and other structures. The device has an upper tube and a lower tube where the upper tube acts as a piston to push down on the lower tube to dispense a grease supply. The lower tube bottom, or a bottom cap connected thereto, has a plurality of dispensing orifices. Preferred embodiments include a stop mechanism to prevent relative movement of the upper tube and lower tube prior to dispensing, and a removable seal on the bottom that prevents grease release until the seal is removed.
Claims11
A method of distributing grease on a fifth wheel trailer receiver of a vehicle, which comprises:
- I.) providing a push piston driven one shot grease dispenser that includes:
- a) a lower tube, being a supply tube, said lower tube having an open top and having a lower tube side wall, and having a bottom with a plurality of dispensing orifices, said lower tube side wall having at least one finger grip;
- b) a supply of grease in said lower tube for dispensing;
- c) an upper tube, being a piston, and tightly, movably nested within said top of said lower tube, said upper tube having a closed top and closed bottom;
- d) a removable stop mechanism located on at least one of said supply tube and said upper tube to inhibit movement between said lower tube and said upper tube;
- and,
- e) a removable seal located on said lower tube bottom to prevent undesired dispensing of said supply of grease;
- II.) removing said stop mechanism and said seal;
- III.) securing said lower tube and applying said lower tube bottom to a fifth wheel;
- IV.) holding said lower tube at said at least one finger grip and pressing said upper tube to push it downwardly, thereby creating downward piston movement in said lower tube to dispense said supply of grease to said fifth wheel and moving said dispenser relative to said fifth wheel.
Dependencies are inferred from the claim text.