Glass cutter

Details Glass cutter Glass cutter

1982-09-30

1984-06-05

Peters, Jimmy C.

Cutlery

Combined cutlery or combined with ancillary feature

With means to apply transient fluid to tool

3016495, C03B 3312

Patent

active

044519818

ABSTRACT:
An improved glass cutter that automatically lubricates a cutting blade included therein is disclosed. The glass cutter comprises an end cap with an always open vent hole, a sleeve serving as a cutting oil reservoir, a barrel with annular grip, a cutter head, tube, wick, cutting blade, and spring. An upper portion of the cutter head is slidably engaged by a pair of opposed slots in a lower portion of the barrel to prevent rotation of the cutter head, and to limit the inward movement of the cutter head while the glass cutter is operated. The spring is disposed about the tube and pushes the cutter head and barrel apart when the glass cutter is unused. This in turn prevents fluid communication between the wick and the cutting blade by spacing the wick and cutting blade apart. When the glass cutter is operated, the barrel is pressed downwardly against the bias of the spring, sliding the tube and wick down the hollow of the cutter head, closing the space between the wick and cutting blade to establish fluid communication between the wick and cutting blade.

REFERENCES:
patent: 778023 (1904-12-01), Fells
patent: 989603 (1911-04-01), Hornig
patent: 2042965 (1936-06-01), Rivard
patent: 4110907 (1978-09-01), Einhorn
patent: 4287669 (1981-09-01), Arai

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