Caulk gun with cutter
OwnerJohn K. Lampe, Douglas R. Oudekerkinventors
Life of this patent
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Abstract
The invention can be a device for dispensing flowable materials such as caulk. A first embodiment comprises a cartridge and a dispenser with a drive mechanism for advancing a pusher forward, the drive mechanism having at least one fulcrum positioned forward of the pusher during operation of the dispenser. A second embodiment comprises a cartridge and a dispenser having a cutter that cuts a slit in a wall of the cartridge for purposes of dispensing a flowable material. A third embodiment comprises a dispenser having a drive mechanism with a winch for driving the dispensing of a flowable material from a cartridge.
Claims15
A device for dispensing flowable materials such as caulk comprising:
- a. a cartridge including a piston slidably received therein for moving a flowable material out of a nozzle;
- b. a dispenser having a rear end and a forward end comprising:
- a cradle for holding the cartridge with the nozzle positioned forward, a pusher for engaging the piston, and a drive mechanism for advancing the pusher forward, the drive mechanism having at least one fulcrum positioned forward of the pusher during operation of the dispenser.
A device for dispensing flowable materials such as caulk comprising:
- a. a cartridge including a piston slidably received therein for moving a flowable material out of a nozzle;
- b. a dispenser having a rear end and a forward end comprising:
- a cradle for holding the cartridge with the nozzle positioned forward, a pusher for engaging the piston, a cutter for cutting a slit in a wall of the cartridge, a carriage joined to the pusher and the cutter and slidably mounted on a guide, and a drive mechanism that moves the carriage forward on the guide, whereby the drive mechanism moves the carriage forward, cutting the slit, allowing the pusher to engage the piston through the slit.
A device for dispensing flowable materials such as caulk comprising:
- a drive mechanism having a winch for driving the dispensing of a flowable material from a cartridge.
Dependencies are inferred from the claim text.