hand-held tool

By positioning the spring unit off-center and using a snap-fit connection, the hand-held tool achieves a more ergonomic and compact design, addressing the bulkiness and operational challenges of traditional power tools.

DE102024138440A1Pending Publication Date: 2026-06-18ANDREAS STIHL AG & CO KG
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Patent Information

Application Number
DE102024138440
Authority / Receiving Office
DE · DE
Patent Type
Applications
Current Assignee / Owner
Filing Date
2024-12-17
Publication Date
2026-06-18

AI Technical Summary

Technical Problem

Hand-held power tools often have bulky and non-ergonomically designed grip areas due to the placement of control units, which occupy significant space and hinder smooth operation of multiple control elements.

Method used

The design of the control unit in the hand-held tool features a second control element with a base body that moves translationally relative to the housing, with the spring unit's line of action positioned off-center, allowing for a more compact and ergonomic handle by freeing up space for other components, and utilizing a snap-fit connection for assembly simplicity.

Benefits of technology

This configuration enables a slimmer and more ergonomic handle design, improving operational ease and reducing the need for additional components, while maintaining smooth operation of control elements.

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Abstract

The invention relates to a hand-held tool comprising a housing (2), wherein the operating unit (10) comprises at least a first operating element (11) and a second operating element (12), wherein the second operating element (12) comprises a base body (13), an actuating element (14) rigidly connected to the base body (13), and a spring unit (15), wherein the base body (13) is mounted to be translationally movable relative to the housing (2) in a direction of movement (19), wherein the base body (13) is biased into a starting position by means of a spring force (16) effected by the spring unit (15), wherein the base body (13) can be moved into an end position via the actuating element (14) against the spring force (16) of the spring unit (15), wherein the actuating element (14) and the spring unit (15) are arranged relative to each other such that a line of action (17) of the spring force (16) lies outside an outer contour (18). of the actuating element (14).
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Citation Information

Patent Citations

  • electric hand tool

    DE60120006T2

  • Housing part for a handheld tool and assembly for a housing part of a handheld tool

    EP4219083A1