Golf Bag Leg Deployment System with Cantilevered Spring
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Solution Overview
Problem
Golf bag legs tend to droop when retracted, causing interference with the golfer's gait while carrying the bag, as existing expandable leg systems fail to maintain a secure position.
Innovation Solution
A leg-deployment system incorporating a cantilevered spring segment and cam nose mechanism, where the spring segment applies pressure to the cam nose to maintain the leg assembly in the retracted state, preventing droop by using a spring insert integrated into a receptacle on the golf bag's top cuff.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If expandable legs are used in golf bag to provide standing base, then the bag can stand on ground without body contact, but the legs droop when retracted and interfere with golfer's gait
Solution Approach 1:
The spring segment applies a preliminary counteracting force to the cam nose to prevent the leg from drooping during retraction. This pre-applied opposing force counteracts the gravitational and inertial forces that would otherwise cause the leg to droop and interfere with the golfer's gait, ensuring stable positioning throughout the carrying motion.
Solution Approach 2:
The spring segment is pre-loaded and positioned to engage the cam nose before any drooping occurs. This preliminary engagement ensures that the leg is actively held in the retracted position against droop forces from the moment of retraction, rather than reacting after droop has begun.
2Reliability
If spring pressure is applied to maintain leg in retracted state, then leg droop is prevented, but the mechanism complexity increases
Solution Approach 1:
The spring mechanism is divided into a spring segment and a cam nose component, allowing independent optimization of each element. The spring segment provides the force application function while the cam nose provides the engagement interface, enabling a simpler overall design compared to a monolithic spring mechanism.
Solution Approach 2:
The cam nose acts as an intermediary element between the spring segment and the leg assembly. It translates the spring's linear or torsional force into the appropriate mechanical action on the leg, simplifying the force transmission path and reducing the complexity of direct spring-to-leg connection.
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
Effectively keeps the legs tucked up against the golf bag body, preventing interference during carrying and allowing smooth deployment when needed, enhancing user mobility.
Implementation Method 1
a spring insert inserted into the receptacle, the spring insert including a cantilevered spring segment having a fixed end and a free end; and a leg assembly including a cam nose, wherein the cam nose contacts the cantilevered spring segment when the leg assembly is in a retracted state, and the cantilevered spring segment applies a force to the cam nose to maintain the leg assembly in the retracted state
Data Source
AI summary
An improved leg-deployment system for a golf bag that helps prevent leg droop when the legs are in the retracted state. In an aspect, the technology relates to a golf bag that includes a bag body; a base coupled to the bag body; a top cuff coupled to the bag body; and a leg-deployment system coupled to the top cuff. The leg-deployment system may include a leg receptacle protruding away from an exterior surface of the top cuff; a spring insert inserted into the receptacle, the spring insert including a cantilevered spring segment having a fixed end and a free end; and a leg assembly including a cam nose, wherein the cam nose contacts the cantilevered spring segment when the leg assembly is in a retracted state, and the cantilevered spring segment applies a force to the cam nose to maintain the leg assembly in the retracted state.