Cutting – Means to drive or to guide tool – Guide
Patent
1986-02-18
1987-05-05
Schran, Donald R.
Cutting
Means to drive or to guide tool
Guide
83835, 83837, 83838, B27B 3312, B23D 6102
Patent
active
046622594
ABSTRACT:
An arrangement in circular saws of the kind which incorporate at least one saw-blade (1), a saw-blade drive spindle or the like, and at least one guide means (12, 14, 15) active against the saw-blade.
The arrangement is particularly characterized in that there is provided at least one saw-blade assembly (1) which co-operates with a guide means (12, 14, 15) and which comprises at least two mutually separate, circumferentially extending blade-sections (2, 3), of which a peripherally located blade-section (2) provided with saw-teeth (5) is arranged for movement relative to the nearest inwardly located blade-section (3, 11) along an interface-zone (8) located between the two blade-sections (2, 3, 11), and is attached to the nearest inwardly located blade-section by means of parts which substantially prevent relative rotation between the two blade-sections in order to permit torque to be transmitted from the saw spindle (4) to the peripheral blade-section (2).
The invention also relates to a circular saw-blade assembly.
REFERENCES:
patent: 220008 (1879-09-01), Weaver
patent: 411189 (1889-09-01), Grey
patent: 1357030 (1920-10-01), Currier
patent: 4026177 (1977-05-01), Lokey
Hans Dutina Research & Development AB
Schran Donald R.
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