| 1930 |
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First portable chainsaw
STIHL presents its portable petrol-driven chainsaw at the Leipzig trade fair. |
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| 1932 |
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Stihl's patented chainsaw
The company A. STIHL MASCHINENFABRIK in Stuttgart-Bad Cannstatt is awarded patent protection in 1932 for its 3-link patented saw chain with cutting and raking teeth for more efficient chip discharge. |
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| 1934 |
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Automatic chain lubrication
Chain and guide bar are automatically lubricated by an oil pressure lubrication system in the handpiece. |
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| 1935 |
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Bow saw BBÜ
This special-purpose saw is used in mill yards for cutting tree trunks to length. |
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| 1936 |
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Centrifugal clutch
The centrifugal clutch ensures that the saw chain is automatically advanced as the engine speed increases. |
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| 1938 |
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Two-man saw BDKH
The two-man petrol-driven chainsaw has a light aluminium alloy cylinder with chrome-plated surface. The machine weighs "only" 37 kilograms with a power output of 7 HP. |
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