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US 7,922,059 B2Granted
Hand-held drive-in power tool
AssigneeHilti Aktiengesellschaft
InventorsUlrich Schiestl, Walter Odoni, Tilo Dittrich
Life of this patent
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Abstract
A hand-held drive-in power tool for driving-in fastening elements includes a drive-in ram (13) displaceably arranged in a guide (12), a drive (30) for driving the drive-in ram (13) and having at least one driving spring member (31) for displacing the drive-in ram (13) and formed of a fiber-reinforced plastic material, and a device (70) for preloading the driving spring member (31).
Claims4
A hand-held drive-in power tool for driving in fastening elements, comprising a drive-in ram (13);
- a guide (12) in which the drive-in ram (13) is displaceably arranged;
- a drive (30) for driving the drive-in ram (13) and having at least one driving spring member (31) for displacing the drive-in ram (13) and formed of a plurality of wave-shaped spring segments (32) formed of a fiber-reinforced plastic flat material;
- and a device (70) for preloading the driving spring member (31).
Dependencies are inferred from the claim text.