Handle for a vertical milling machine

Abstract

The present invention relates to a vertical milling machine (10) having at least one housing (12) and at least one base plate (13) placed on a working area (A), wherein at least one handle (14) is arranged on the housing (12).

Description

Technical Field

[0001] This invention relates to a handle for an Oberfräse milling machine. Background Technology

[0002] Figure 1 a and 1b respectively show a handheld machine tool constructed as a vertical milling machine, which has a handle of the prior art.

[0003] Handles used in vertical milling machines are known to come in various shapes and arrangements. The most common shapes include oval, round, elongated, and pistol-shaped handles, or combinations thereof. These handles are typically arranged such that their axes extend parallel to or at an angle to the working plane.

[0004] Round and pistol-shaped handles are typically arranged such that the handle axis extends parallel to or at a specific angle to the work plane. However, this arrangement can result in an ergonomic hand posture, which increases fatigue during work and may lead to long-term wrist injuries.

[0005] Slender and oval handles are mostly angled forward and extend parallel or nearly parallel to the working direction. Here, ergonomics is often not optimal, which can lead to premature fatigue and potential long-term injury; see [link to relevant documentation]. Figure 1 b.

[0006] Another problem arises when working vertically, such as milling window or door openings in wooden planks, a practice prevalent primarily in North America. In this case, hand positions are particularly ergonomic, further complicating the task.

[0007] Current technology indicates that handles, due to their geometry, can be tilted at an angle of 20° < δ < 45° to the vertical axis of the device. This arrangement results in wrist bending, which can lead to discomfort and reduced work efficiency over time.

[0008] In summary, the handles currently available for vertical milling machines are not particularly ergonomic. This leads to premature fatigue during work and may cause long-term wrist damage. Therefore, there is a need for a more ergonomic handle design to reduce user load and improve work efficiency. Summary of the Invention

[0009] The advantage of this invention is that the arrangement of the handle for the milling machine is configured to minimize wrist flexion, thus enabling longer and less tiring work sessions.

[0010] The core of this invention lies in the ergonomic design of the handle for a vertical milling machine, aimed at minimizing wrist flexion. This innovative handle arrangement enables a more natural hand posture, resulting in several decisive advantages.

[0011] - Reduced fatigue: The ergonomic design of the handle minimizes the load on the wrist and hand muscles. This allows for longer and more comfortable work without premature fatigue.

[0012] - Improved ergonomics: The handles are positioned in a way that promotes a natural hand posture. This reduces the risk of long-term damage to the wrist and other parts of the arm that could result from repetitive, ergonomically incorrect movements.

[0013] - Enhanced precision and control: Improved ergonomics and reduced fatigue allow users to guide the vertical milling machine more precisely and with greater control. This results in better work outcomes and higher efficiency.

[0014] - Versatility: The ergonomically designed handle is suitable for both horizontal and vertical working directions. This allows the vertical milling machine to be used extensively and improves user-friendliness in various applications, such as milling window or door openings in wooden boards.

[0015] - Long-term health: By reducing workload and avoiding unnatural hand postures, this invention contributes to the long-term health and well-being of the user. This is especially important for professional users who use vertical milling machines regularly and for extended periods.

[0016] The present invention provides a vertical milling machine having a housing and a base plate, wherein the base plate stands on the working area, and wherein at least one handle is arranged on the housing.

[0017] In the context of a vertical milling machine with a housing and a base plate (where the base plate stands on the working area and at least one handle is arranged on the housing), the working area is understood as a surface on which the workpiece is positioned and fixed during the milling process, and on which the base plate of the vertical milling machine is placed and moved during machining.

[0018] This definition includes the following aspects: - Surface for workpiece: The working area is mainly used as a support surface for the workpiece to be processed.

[0019] - Support surface for the base plate: The base plate of the vertical milling machine contacts the work area during the milling process. This allows for controlled guidance of the milling machine.

[0020] - Movement of the base plate: The base plate of the vertical milling machine can move within the working area to perform the milling process on the workpiece.

[0021] - Stability and strength: It is implicitly assumed that the working area is stable and robust enough to withstand the forces during the milling process and ensure safe machining.

[0022] The handle is cylindrical and has an axis x that extends coaxially with the axis of the cylinder, wherein the axis x, together with the working area, forms an angle α. The axis x of the cylindrical handle forms an angle α with the working area, which is preferably between 0° and 45°. This angle range allows for ergonomic hand posture and force transmission when guiding the vertical milling machine, especially on horizontal or slightly inclined workpiece surfaces. An angle of 0° corresponds to a hand posture perpendicular to the work surface, while larger angles of up to 45° can accommodate inclined workpieces or personal preferences.

[0023] The present invention proposes that a first handle and a second handle are arranged on the housing of a vertical milling machine, wherein each of the two handles has a gripping area and a connecting area.

[0024] The handles are secured to the housing via two bridging connection areas. The central axes of these connection areas define a common axis y. The axis z (which, when viewed from above, forms the vertical axis of symmetry of the milling machine) intersects the axis y at the midpoint between the two handles. The connection areas are configured in such a way that they ensure a stable and ergonomic connection between the handles (10) and the housing.

[0025] The axes y and z form an angle β, preferably between 0° and 30°. Within this angle range, the wrist bends less when gripping the handle, resulting in a more ergonomic hand posture and reducing forearm muscle load. This contributes to less fatigue during work, especially during longer milling operations.

[0026] Angles α and β can be fixed and predefined, or only angle β can be predefined while angle α can be adjusted by a mechanism. Thus, the position of the handle can be advantageously adjusted individually for the user of the vertical milling machine. Attached Figure Description

[0027] Further advantages can be seen from the accompanying drawings and their descriptions.

[0028] The attached diagram shows: Figure 1 A schematic diagram illustrates a prior art vertical milling machine. Figure 2 A vertical milling machine according to the present invention is illustrated in schematic diagram. Figure 3 A top view of the vertical milling machine according to the present invention is shown in schematic diagram. Detailed Implementation

[0029] The present invention relates to a handheld machine tool configured as a vertical milling machine 10, which has improved ergonomics. Figure 2 Illustration 1 shows one embodiment of a vertical milling machine 10, which has a housing 12 and a base plate 13. The base plate 13 is placed on a working area A. At least one handle 14 is arranged on the housing 12. The handle 14 is cylindrically constructed and has a longitudinal axis x, which extends coaxially with the axis of the cylinder. The longitudinal axis x of the handle 14 forms an angle α with the working area A, which is preferably between 0° and 45°. This angle α can be adjusted by a suitable mechanism, such as a rotary joint, so that the hand posture can be adapted to the corresponding working conditions and the individual needs of the user.

[0030] Figure 2 b illustrates an alternative embodiment having two handles 14a, 14b on the housing 12. Each handle 14a, 14b has a gripping area 16a, 16b and a connecting area 18a, 18b. The gripping areas 16a, 16b are shaped such that they can be comfortably and securely held by the user. The gripping areas each have a longitudinal axis x1, x2. The connecting areas 18a, 18b securely connect the gripping areas 16a, 16b to the housing 12. The connecting areas 18a, 18b define a common axis y. An axis z (which extends through the vertical milling machine 10 when viewed from above) intersects the axis y perpendicularly.

[0031] The longitudinal axes x1 and x2 of the gripping areas 16a and 16b form angles ß1 and ß2 with the axis z, respectively. These angles ß1 and ß2 are preferably between 0° and 30° and can be fixed or adjustable, like angle α. The adjustability of angles α, ß1, and ß2 allows the handle position to be optimally adapted to the user's height and work style, thereby ensuring less fatigue during work. In particular, by selecting appropriate angles ß1 and ß2, the most natural hand posture possible can be achieved, in which the user's wrist is not bent or only slightly bent. In addition to the angles, the shape and design of the gripping areas 16a and 16b also contribute to ergonomic gripping behavior.

[0032] Figure 3 An embodiment of the invention is shown, in which a vertical milling machine 10 is combined with a sinking unit 20. This combination enables the vertical milling machine 10 to sink precisely and in a controlled manner into the workpiece.

[0033] The connection between the vertical milling machine 10 and the settling unit 20 can be achieved in different ways. In a first embodiment, the vertical milling machine 10 and the settling unit 20 are fixedly connected, for example by threaded connection or adhesive bonding. This provides a particularly stable and rigid connection.

[0034] Alternatively, the vertical milling machine 10 can be releasably installed into the settling unit 20. For this purpose, a quick-change mechanism can be provided, enabling quick and easy installation and removal of the vertical milling machine 10. This increases the system's flexibility, as the vertical milling machine 10 can also be used without the settling unit 20.

[0035] The settling unit 20 typically includes a guide post 22 and a settling device 24 that allows the vertical milling machine 10 to be precisely settled into the workpiece. The guide post 22 ensures stable and backlash-free guidance of the vertical milling machine 10 along the vertical axis. The settling device 24 may include, for example, a spring mechanism, a hydraulic system, or an electric drive unit to controllably set the vertical milling machine 10 into the workpiece and then lift it back up.

[0036] The combination of the vertical milling machine 10, the sinking unit 20, and the ergonomic handle according to the foregoing embodiment provides the user with optimized control and precision during milling, especially in complex milling jobs requiring precise sinking. The ergonomic handle reduces user fatigue and enables longer and more comfortable working hours.

Claims

1. A vertical milling machine (10) having at least one housing (12) and at least one base plate (13), the base plate being placed on a working area (A), wherein, At least one handle (14) is arranged on the housing (12).

2. The vertical milling machine (10) according to claim 1, characterized in that, The handle (14) is cylindrically constructed and has a longitudinal axis (x), wherein the longitudinal axis (x) forms an angle (α) with the working area (A), wherein the angle (α) is adjustable between 0° and 45°.

3. The vertical milling machine (10) according to claim 1 or 2, characterized in that, A first handle (14a) and a second handle (14b) are arranged on the housing (12), wherein each handle (14a, 14b) has a gripping area (16a, 16b) and a connecting area (18a, 18b).

4. The vertical milling machine (10) according to claim 3, characterized in that, The connecting regions (18a, 18b) connect the gripping regions (16a, 16b) to the housing (12), wherein the connecting regions (18a, 18b) define a common axis (y), wherein the axis (z) extending through the vertical milling machine (10) in a top-view direction intersects the axis (y) perpendicularly.

5. The vertical milling machine (10) according to claim 3, characterized in that, Each gripping area (16a, 16b) has a longitudinal axis (x1, x2), wherein the longitudinal axis (x1, x2) forms an angle (ß1, ß2) with the axis (z), and the angle (ß1, ß2) is adjustable between 0° and 30°.

6. The vertical milling machine (10) according to claim 5, characterized in that, The angles (ß1, ß2) can be adjusted synchronously.

7. The vertical milling machine (10) according to claims 2 and 5, characterized in that, The angles (α) and (ß1, ß2) can be adjusted independently of each other.

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