Caulking gun with a built-in spout cutter

Details Caulking gun with a built-in spout cutter Caulking gun with a built-in spout cutter

1998-11-12

2000-05-02

Kaufman, Joseph A.

Dispensing

With cutter and/or punch

To form dispensing opening in container

222326, 83580, B67D 500, G01F 1106, B26D 508

Patent

active

060561564

ABSTRACT:
A caulking gun has a built-in cutter being formed between a handle (14) and a trigger (18) for cutting off a tip (34) of a caulking spout (36). The cutter has a cutting blade (62) being mounted in the handle and a cutting forwarder (40) for pushing the spout to the blade for cutting. One end of the cutting forwarder together with a tension spring (46) is pivoted in the trigger and another end reclines against the handle. A blade slot (60) on the top of the forwarder covers the blade for finger protection. A pair of openings (54, 55) are located in the two side wells of the blade slot of the forwarder for receiving the spout from either right side or left side of the caulking gun for cutting. The surfaces of the openings force a spout inside the openings to the blade with an angle less than 90.degree. for smoothly spout cutting while the trigger is squeezed. A cutting pusher (66) locates in the trigger under the forwarder pushing a cutting surface (58) on the bottom of the blade slot completely closing to a sharp edge (64) of the blade for finally cutting the tip off the spout.

REFERENCES:
patent: 4135644 (1979-01-01), Pacetti
patent: 4390115 (1983-06-01), Bigham
patent: 4493437 (1985-01-01), Breeden
patent: 4802607 (1989-02-01), Johnson
patent: 5860568 (1999-01-01), Mallalieu et al.

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