Cutlery – Pipe and rod cutters – Adapted to cut pipe or rod longitudinally
Patent
1996-07-12
1998-10-06
Rachuba, Maurina T.
Cutlery
Pipe and rod cutters
Adapted to cut pipe or rod longitudinally
30 95, 30289, 222 82, 222 83, 222326, 222391, 83580, B23D 2106
Patent
active
058159258
ABSTRACT:
Simple, inexpensive and efficient tip cutting assemblies for allowing an operator to cut the tip of a fresh cartridge of caulk prior to insertion in the barrel. The tip cutting assemblies are provided in the context of two general types of caulking guns having either a metal enclosed frame or single piece molded plastic open frame. In one embodiment for a molded open-frame gun, the cartridge tip cutting assembly includes a cutting bracket attached to the frame and having an aperture there through for insertion of the cartridge tip. The cutting assembly also includes a blade assembly attached to the trigger and extending a blade outwardly between the frame and cutting bracket. Another embodiment for a closed metal-frame gun includes an aperture through a side of the housing for insertion of a cartridge tip, and a tip-cutting member formed with a through-hole to pass the plunger shaft and riding thereon within the housing. The tip cutting member extends a cutting blade flush along the inner surface of the housing, and the tip-cutting member is moveable by operation of the trigger across the aperture. In both embodiments, a fresh cartridge tip can be cut by insertion in the aperture and by retraction of the trigger such that the tip-cutting blade cuts scissor-like across the aperture and through the tip.
REFERENCES:
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patent: 5529225 (1996-06-01), Chang
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