Removable Lat Pull-Down Seat With Locking Mechanism
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Solution Overview
Problem
Conventional exercise machines lack versatility and space efficiency, restricting users from performing multiple exercises on the same equipment and are not designed for compact spaces like homes or apartments, where reducing machine size is essential.
Innovation Solution
An exercise machine design featuring a support frame with two columns, detachable guide members, and a locking mechanism that allows for adjustable attachments such as seats and foot plates, enabling multiple exercises on a single machine while conserving space by using shared columns.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If an integral seat is provided on the exercise machine, then the machine provides stable support for seated exercises, but the user is prevented from performing exercises like curls or shoulder raises where the movable handle must be in the bottommost position
Solution Approach 1:
The seat is separated from the main machine structure and made into a detachable attachment that can be mounted or removed from the support columns. This segmentation allows the seat to be present when needed for seated exercises and absent when needed for standing exercises like curls or shoulder raises, thus resolving the contradiction between exercise variety and structural complexity
Solution Approach 2:
The seat attachment incorporates a locking mechanism with movable locking pins that can be displaced between locked and unlocked positions, allowing the attachment to transition between fixed and movable states. This dynamic capability enables the seat to be securely mounted during seated exercises and easily removed when standing exercises are required
2Adaptability or versatility
If multiple attachments are provided on a shared column to enable multiple exercises, then space is conserved, but the machine becomes more complex and harder to operate
Solution Approach 1:
The attachment incorporates a self-aligning locking mechanism where the movable locking pin automatically engages with the hole in the support column when the attachment is properly positioned. The user simply needs to insert the attachment and the locking mechanism self-activates, eliminating the need for complex manual alignment or multiple adjustment steps
Solution Approach 2:
The locking mechanism acts as an intermediary between the attachment and the support column, providing a simple interface that mediates the connection. The movable locking pin serves as the intermediary element that translates the user's simple action of inserting the attachment into secure mechanical engagement with the column
Data Source
AI summary
An exercise machine may include a support frame with a first and second column; a plurality of guide members movably mounted along both columns; and at least one attachment detachably mounted onto either column, thereby securing the at least one attachment to the support frame. The at least one attachment may include a first portion; a second portion extending from the first portion; and a locking mechanism extending from the second portion. The locking mechanism may include at least one stationary locking pin received by either column; and a movable locking pin configured to be received by either column. The at least one attachment is detachably mounted onto either column simultaneously with the plurality of guide members, and at least one of the plurality of guide members positions an operative portion of a weight arrangement at a location along the support frame.