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US 10,808,885 B2Granted
Lubricant press, lubricant press kit, and use of a cartridge in case of a lubricant press
AssigneePressol—Schmiegeräte Gesellschaft mit beschränkter Haftung
InventorRudolf Schlenker
Life of this patent
Estimating the term…
Abstract
For a lubricant press (1), a follower piston (13) is proposed that can be inserted into a cartridge (4) and is matched to a closing wall (6) of a cartridge holder (3), such that the follower piston (13) in the used-up cartridge (4) lies against the closing wall (6) in a planar manner.
Claims16
A lubricant press set (26), comprising:
- a lubricant press (1) and a cartridge (4), the lubricant press including a press head (2) with a cartridge receptacle (3), the cartridge receptacle (3) having a closing wall (6) in which a passage (7) leads to a high-pressure chamber (8), a pressing plunger (9) movably arranged in the high-pressure chamber (8), the pressing plunger (9) is in operative connection with a hand lever (11) mounted on the press head (2) and the high-pressure chamber (8) leads to an outlet opening (12);
- a follower piston (13) inserted into the cartridge (4);
- the cartridge (4) includes a cartridge sleeve (27) surrounding a filling volume (5), and the follower piston (13) being movably inserted in the cartridge sleeve (27) to seal off the filling volume (5), a shape of the follower piston (13) is matched to the cartridge (4) such that the filling volume (5) is adapted to be emptied without leaving any residue;
- the follower piston (13) having a top side (15) that faces the closing wall (6) in an operating position, the top side has a contour that matches a contour of the closing wall (6) and the follower piston (13) includes a circumferential shoulder (21) around the top side (15), and the top side (15) of the follower piston (13) extends through a removal opening (28) of the cartridge (4) and is in planar contact with the closing wall (6) at least in a partial area (16) when a content of the cartridge (4) is used up.
1 more element
A method of dispensing lubricant from a cartridge (4) with a lubricant press set (26), comprising:
- providing the lubricant press including a press head (2) with a cartridge receptacle (3), the cartridge receptacle (3) having a closing wall (6) in which a passage (7) leads to a high-pressure chamber (8), a pressing plunger (9) movably arranged in the high-pressure chamber (8), the pressing plunger (9) is in operative connection with a hand lever (11) mounted on the press head (2) and the highpressure chamber (8) leads to an outlet opening (12);
- providing a follower piston (13) having a shape that matches the cartridge (4) and having a top side (15) that faces the closing wall (6) in an operating position, and the top side has a contour that matches a contour of the closing wall (6), and the follower piston (13) includes a circumferential shoulder (21) around the top side (15;
- providing the cartridge (4) including a cartridge sleeve (27) surrounding a filling volume (5) filled with lubricant;
- opening the cartridge (4) at the top and that prior to removal of the lubricant from the cartridge (4);
- inserting the follower piston (13) into the cartridge (4) on an underside in order to close a filling volume inside the cartridge;
- operating the hand lever in order to dispense the lubricant;
- and
- after complete emptying of the lubricant from the cartridge (4), the top side (15) of the follower piston (4) extends through a removal opening (28) of the cartridge (4) and is in planar contact with a partial area (16) of the closing wall.
5 more elements
Dependencies are inferred from the claim text.