Handrail Installation Device with Pivot Arm and Bubble Level
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Solution Overview
Problem
Traditional handrail installation methods are tedious and prone to inaccuracies, requiring repeated measurements and the use of tools like levels and rulers, making the process complicated and time-consuming for professionals.
Innovation Solution
A handrail installation device featuring a first arm connected to a stair tread, a pivotally rotating second arm with a bubble level, a height adjusting section, and a tightening bolt, which facilitates accurate leveling and positioning of handrails by allowing for adjustable height and angle settings.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If traditional handrail installation methods using level and ruler are used, then basic installation can be achieved, but the process becomes complicated and time-consuming with repeated measurements and inaccuracies
Solution Approach 1:
The patent combines multiple installation tools (level, ruler, marking device, and mounting mechanism) into a single integrated handrail installation device. The level indicator, positioning arms, and handrail mounting are merged into one unified system, eliminating the need for separate tools and repeated measurements, thus improving productivity while maintaining manageable complexity
Solution Approach 2:
The installation device performs multiple functions simultaneously: it levels the handrail, positions it accurately, marks mounting locations, and secures the handrail in place. This multi-functional approach replaces traditional separate tools (level, ruler, marking tool, mounting hardware) with a single universal device that handles all installation tasks in one operation
2Measurement precision
If traditional measurement methods with level and ruler are used, then basic positioning can be achieved, but measurement precision and accuracy are compromised due to repeated measurements and human error
Solution Approach 1:
The device performs preliminary positioning and leveling actions through its adjustable arms and level indicator before final handrail installation. The positioning arms can be adjusted to the exact desired height and angle, and the level indicator provides immediate feedback on proper positioning, eliminating the need for repeated measurements during the installation process
Solution Approach 2:
The level indicator on the device provides self-checking capability, allowing the installer to verify proper positioning directly through the device's built-in level mechanism rather than requiring separate measurement tools. The device serves its own positioning verification function, reducing time loss through repeated external measurements
3Manufacturing precision
If adjustable height and angle settings are implemented, then positioning precision is improved, but device complexity increases with additional components like pivot joints and adjusting mechanisms
Solution Approach 1:
The device incorporates a pivot joint at the first end of the second arm, allowing dynamic adjustment of the arm's angle relative to the first arm. This dynamic positioning capability enables precise angle adjustment for different installation scenarios while maintaining a relatively simple mechanical structure through the use of a single pivot point rather than multiple complex adjustment mechanisms
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
Streamlines the handrail installation process by enabling precise leveling and positioning, reducing the need for repeated measurements and minimizing errors, thus saving time and effort for contractors.
Implementation Method 1
a bubble level disposed on at least a portion of the second arm to identify a level surface based on a position of at least one of the first arm and the second arm
Data Source
AI summary
A handrail installation device, including a first arm removably connected to at least a portion of a stair tread, a second arm pivotally disposed at a first end on at least a portion of the first arm to rotate from retracted in parallel with the first arm in a first position to at least partially extended away from the first arm in a second position, and rotate from extended away from the first arm in the second position to retracted in parallel with the first arm in the first position, and a bubble level disposed on at least a portion of the second arm to identify a level surface based on a position of at least one of the first arm and the second arm.