Embroidery Frame Support Device with Sliding Mechanism

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Solution Overview

Problem

Existing embroidery frame support devices for tubular objects like T-shirts and caps in embroidery sewing machines face issues with bending due to weight, require complex operations for changing frame types, and are not adaptable to varying sizes, leading to inefficiencies in attachment and replacement.

Innovation Solution

An embroidery frame support device with a base member fixed to the sewing machine and a support member that includes a Y slide mechanism for retractability and an X slide mechanism for horizontal movement, allowing easy attachment, detachment, and adjustment to accommodate different frame sizes and types without altering the support structure.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If a cantilevered holding arm is used to support the embroidery frame, then the embroidery operation can be carried out against tubular objects, but the holding arm bends downward due to the weight of the embroidered object causing the front end portion of the embroidery frame to bend

Engineering Contradiction:
Improveembroidery operation capabilityVSAvoidframe stability
Core Design Contradiction:
Ease of operationVSStability of the object's composition

Solution Approach 1:

The support function is divided into two independent parts: the cantilevered holding arm for basic support and the additional support device with support plate for front end support. This segmentation allows each component to perform its specific function without interfering with the other, solving the bending problem while maintaining operational capability.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The support plate acts as an intermediary element between the support arm and the embroidery frame. It provides additional support at the front end portion of the frame, preventing bending caused by the weight of the embroidered object, while allowing the holding arm to maintain its cantilevered configuration for operational flexibility.

Inventive Principle:
Principle #24Intermediary (Mediator)

2Stability of the object's composition

If the embroidery frame support device is configured for specific frame types, then the frame can be supported stably, but the device must be removed and reattached when changing frame types, reducing operating efficiency

Engineering Contradiction:
Improveframe support stabilityVSAvoidframe change efficiency
Core Design Contradiction:
Stability of the object's compositionVSProductivity

Solution Approach 1:

The support device is designed with universal compatibility to work with multiple types of embroidery frames (bag frames, cap frames, working fabric frames). The support plate and holding arm configuration can accommodate different frame types without requiring removal or reattachment of the support device, enabling stable support across various frame types while maintaining high frame change efficiency.

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

Solution Approach 2:

The support device incorporates movable and adjustable components that can adapt to different frame types and positions. This dynamic design allows the support plate to maintain proper support configuration regardless of which frame type is being used, eliminating the need to reattach the support device when changing frames.

Inventive Principle:
Principle #15Dynamics

3Adaptability or versatility

If multiple support arms with different lengths are prepared to accommodate various bag frame sizes, then the support device can adapt to different sizes, but the complexity of managing and replacing support arms increases

Engineering Contradiction:
Improveframe size adaptabilityVSAvoidsupport arm management complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The support arm is designed with adjustable length or position capabilities, allowing a single support arm to accommodate various bag frame sizes. This dynamic adjustment feature eliminates the need to manage multiple support arms of different lengths, reducing device complexity while maintaining full size adaptability.

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The support arm is designed as a universal component that can serve multiple frame sizes through adjustment mechanisms. This single multi-functional support arm replaces the need for multiple specialized support arms, simplifying inventory management and reducing the complexity of replacing support components when frame sizes change.

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

Data Source

PatentEP1892325A1Embroidery frame support device
Publication Date: 2008.02.27 TOKAI IND SEWING MACH CO LTD
  • EP1892325A1 patent drawingFigure 1
  • EP1892325A1 patent drawingFigure 2
  • EP1892325A1 patent drawingFigure 3

AI summary

In an embroidery sewing machine, an embroidery frame support device (7) for supporting a front end portion of an embroidery frame (6) installed in a cantilevered manner includes: a base member (11) that is a base for attaching the embroidery frame support device (7) to the embroidery sewing machine, and a Y slide rail (12) (support member) having a movable end that can move relatively with the base member (11). The embroidery frame support device (7) supports a front end portion of the embroidery frame (6) from a lower surface thereof through an X slide rail (15) attached to a tip portion of the Y slide rail (12). The embroidery frame support device (7) can be attached to the embroidery sewing machine by screwing a base member (11) to a cylinder bed (3). The screwing of the base member (11) to the cylinder bed (3) can be carried out from the upper side of a sewing machine table (1).