Cast-In-Place Anchor Nailing Device With Energy-Transfer Ram

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Solution Overview

Problem

Existing methods for nailing cast in place anchors to wooden shuttering are inefficient, unreliable, and not versatile, lacking a fast and easy means for installation.

Innovation Solution

A device comprising a housing with an anchor receptacle, a nail gun abutment, and a ram that transfers energy from a nail gun to the anchor, allowing for efficient and reliable nailing of cast in place anchors into wooden shuttering.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Productivity

If conventional manual hammer or pneumatic hammer tools are used for nailing cast in place anchors, then the anchoring can be achieved, but the process is inefficient, unreliable, and not versatile

Engineering Contradiction:
Improvenailing speedVSAvoidoperational efficiency
Core Design Contradiction:
ProductivityVSEase of operation

Solution Approach 1:

The device introduces a specialized intermediary tool (the nailing device with ram and housing) that mediates between the nail gun and the cast in place anchor. This intermediary mechanism translates the nail gun's firing action into controlled hammer blows on the anchor, achieving fast and reliable nailing that neither manual hammers nor standard pneumatic tools can provide efficiently

Inventive Principle:
Principle #24Intermediary (Mediator)

2Reliability

If purpose-built manual hammer tools are used, then reliability improves, but the device complexity and lack of versatility increase

Engineering Contradiction:
Improvenailing reliabilityVSAvoidversatility
Core Design Contradiction:
ReliabilityVSAdaptability or versatility

Solution Approach 1:

The device achieves universality by being compatible with standard nail guns while providing specialized nailing functionality. The housing can receive different types of cast in place anchors, and the mechanism works with standard nail gun strikers, making the system versatile for various anchoring applications without requiring multiple specialized tools

Inventive Principle:
Principle #6Universality (Multi-functionality)

3Ease of operation

If a specialized nailing device is introduced, then operational efficiency and reliability improve, but the device complexity increases

Engineering Contradiction:
Improveease of useVSAvoiddevice structure
Core Design Contradiction:
Ease of operationVSDevice complexity

Solution Approach 1:

The device is segmented into distinct functional components: a housing for receiving the anchor, a ram for delivering hammer blows, a striker abutment for receiving the nail gun striker, and a return spring mechanism. This segmentation allows each component to perform its specific function efficiently while maintaining overall simplicity and ease of assembly

Inventive Principle:
Principle #1Segmentation

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

Enables fast, reliable, and versatile installation of cast in place anchors into wooden shuttering using a nail gun, enhancing operational efficiency and ease of use.

Implementation Method 1

a ram, which extends into the housing towards the anchor receptacle, and which is axially displaceable with respect to the housing, wherein the ram has a striking surface facing the anchor receptacle for striking the cast in place anchor disposed in the anchor receptacle

Methodology Applied
Scientific EffectImpact force: Impact Force

Implementation Method 2

the device provides an energy transfer mechanism, which transfers hammer energy from the nail gun as an energy source to the cast in place anchor

Methodology Applied
Scientific EffectEnergy transfer:

Data Source

PatentUS12427635B2Device for nailing cast in place anchors
Publication Date: 2025.09.30 HILTI AG
  • US12427635B2 patent drawing
  • US12427635B2 patent drawing
  • US12427635B2 patent drawing

AI summary

A device for nailing cast in place anchors includes a housing, which has an anchor receptacle for receiving a cast in place anchor, a nail gun abutment for abutting against a nail gun, and a ram, which extends into the housing towards the anchor receptacle and which is axially displaceable with respect to the housing. The ram has a striking surface facing the anchor receptacle for striking the cast in place anchor disposed in the anchor receptacle. The ram further has a striker abutment for abutting against a striker of the nail gun that is positioned at the nail gun abutment.