Adjustable Carriage Assembly with Spring-Locked Pin
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Solution Overview
Problem
Existing weightlifting equipment, such as weight racks and adjustable assemblies, face challenges including difficulty in adjustment and inability to support large weights, as well as lacking accessories for articulating arms.
Innovation Solution
An adjustable carriage assembly with a locking structure that allows for easy adjustment and secure locking along a frame member, featuring rollers for smooth movement and a pivotable connection for articulating implements.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If adjustable assemblies are made more complex to support larger weights, then weight capacity is improved, but ease of adjustment deteriorates
Solution Approach 1:
The locking structure is segmented into multiple independent components: a pin member with grip portions, a spring member for automatic engagement, and multiple holes in the frame member. This segmentation allows the system to support large weights through multiple engagement points while maintaining ease of adjustment via simple pin insertion and removal actions.
Solution Approach 2:
The spring member automatically engages the pin with the holes in the frame member without requiring manual intervention. When the pin is inserted, the spring automatically locks it in place, and when the pin is removed, the spring returns to its original position. This self-service mechanism improves ease of adjustment while maintaining strong locking capability for heavy weights.
2Reliability
If the locking structure is made more secure to support larger weights, then reliability is improved, but device complexity increases
Solution Approach 1:
The spring member is extracted as a separate, independent component from the pin structure. This extraction simplifies the overall device complexity by allowing the spring to be manufactured and assembled separately, while still providing reliable automatic locking when the pin engages with the holes in the frame member.
Solution Approach 2:
The spring member acts as an intermediary between the pin and the holes in the frame member. It mediates the locking action by automatically engaging the pin when inserted, providing secure locking without requiring complex mechanical linkages or multiple fastening steps.
3Adaptability or versatility
If the carriage assembly is made more adjustable to provide multiple positions, then adaptability is improved, but ease of operation deteriorates
Solution Approach 1:
The carriage assembly is designed with dynamic adjustability through multiple holes at different heights in the frame member, allowing the pin to be positioned at various levels. The spring-loaded pin mechanism enables quick transition between positions by simply removing and reinserting the pin, maintaining ease of operation while providing high adaptability for different exercise configurations.
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
The adjustable carriage assembly enables easy height adjustment and secure locking, supporting larger weights and providing versatile connectivity for various weightlifting implements and accessories.
Implementation Method 1
A plurality of rollers are rotatably connected to the first and second side plates and extend between the first and second side plates... configured to engage a front surface of the frame member and the rear roller(s) are configured to engage a rear surface of the frame member
Implementation Method 2
A spring member is connected to the pin and configured to automatically engage the pin with a hole in the frame member or disengage the pin from the hole in the frame member
Data Source
AI summary
An adjustable carriage assembly is configured to be mounted on a frame member of a weight rack and includes a locking structure for locking the carriage assembly in place on the frame member. The carriage assembly may include a moveable carriage with a plurality of rollers that engage the frame member, as well as one or more handles for gripping to adjust the position of the carriage assembly and a connection structure for connection of an implement or accessory. Various implements and accessories can be connected to or used in connection with the carriage assembly, including various weightlifting implements and accessories that are pivotably connected to the carriage assembly.