Driving-in Device with Mechanical Energy Store for Variable Fastener Adaptability
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Solution Overview
Problem
Conventional fastener driving devices have limitations in imparting sufficient energy to fasteners due to an upper energy limit, restricting their use across various fastening elements and substrates.
Innovation Solution
A device with an energy transmission element that stores mechanical energy, allowing for its temporary storage and sudden release, utilizing an electrical energy source to drive the fastener into a substrate, enabling adjustable energy delivery.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a spring is used to store and release energy in spring nailers, then energy can be delivered to the fastening element, but the energy delivery is limited to an upper limit that restricts use across different fastening elements and substrates
Solution Approach 1:
The patent employs a variable spring constant mechanism where the spring stiffness can be adjusted or changed during operation. This allows the same device to deliver different energy levels by modifying the spring parameter, thereby adapting to different fastening elements and substrates while maintaining the spring-based energy storage and release mechanism.
Solution Approach 2:
The invention introduces a dynamic energy transmission system where the energy transmission element can vary its properties or configuration during the driving process. This dynamic capability enables the device to optimize energy delivery for different applications, transitioning from a fixed spring constant system to one that can adapt its mechanical characteristics in real-time.
2Power
If energy is temporarily stored in a mechanical energy store for sudden release, then sufficient energy can be imparted to the fastening element, but the device requires complex energy transmission mechanisms
Solution Approach 1:
The patent introduces an energy transmission element that acts as an intermediary between the spring-based mechanical energy store and the fastening element. This intermediate component facilitates the sudden release of energy while simplifying the overall transmission mechanism, bridging the gap between the stored energy and the required impact delivery.
Solution Approach 2:
The invention replaces complex multi-component mechanical energy transmission systems with a simplified spring-based mechanical energy store that directly couples to the fastening element through a straightforward energy transmission element. This substitution maintains high power delivery while reducing mechanical complexity.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
This solution enhances the energy delivery capability of fastener driving devices, allowing them to accommodate a wider range of fastening elements and substrates by efficiently storing and releasing mechanical energy.
Implementation Method 1
a mechanical energy store (200) for storing mechanical energy
Implementation Method 2
an energy transfer device for transferring energy from an energy source to the mechanical energy store. The energy for a driving-in process is preferably temporarily stored in the mechanical energy store in order to be suddenly released to the fastening element. The energy source is preferably an electrical energy store, in particular, particularly preferably a battery or an accumulator
Data Source
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AI summary
According to one aspect of the application, a device for driving a fastening element into an underlying surface has an energy-transmission element for transmitting energy to the fastening element. The energy-transmission element can preferably be moved between a starting position and a placement position, wherein the energy-transmission element is located in the starting position prior to a driving-in operation and in the placement position following the driving-in operation. According to a further aspect of the application, the device comprises a mechanical energy store for storing mechanical energy. The energy-transmission element is then suitable preferably for transmitting energy from the mechanical energy store to the fastening element.