Saw chain tensioning arrangement for a chain saw

Details Saw chain tensioning arrangement for a chain saw Saw chain tensioning arrangement for a chain saw

1984-01-17

1986-02-04

Kazenske, E. R.

Cutlery

Cutting tools

Saw

83816, B27B 1714

Patent

active

045676585

ABSTRACT:
The invention is directed to a tensioning arrangement for adjusting the tension in the saw chain of a chain saw. The cutter bar for the saw chain has an elongated opening for engaging the guiding means upon which the cutter bar is displaceably mounted and guided in the housing of the chain saw. The tensioning arrangement includes a bolt-like drive member which extends through the elongated opening of the cutter bar and acts upon an output member via a transmission. The output member is configured as a slider which entrains the cutter bar for displacing the latter to tension the saw chain. The drive member extends through the elongated opening and beyond the housing as well as the cover of the sprocket wheel to the outside so that it can be adjusted conveniently and simply from outside of the housing for tensioning the saw chain.

REFERENCES:
patent: 2050630 (1936-08-01), Reid
patent: 2933112 (1960-04-01), Bentley
patent: 3866320 (1975-02-01), Progl
patent: 3895700 (1975-07-01), Kerr
patent: 4382334 (1983-05-01), Reynolds

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