• Journal of the Korea Academia-Industrial cooperation Society
• /
• v.12 no.11
• /
• pp.4751-4755
• /
• 2011

This study investigates the plastic suspension assembly which is installed on inside of vehicle seat and support passenger's back to supply the comfortable ride performance. It aims to develop the structural design in order to support driver's back uniformly and assemble seat back frame with plastic suspension effectively. The part of suspension is designed by considering the body pressure distribution of driver and it has the same size as the practical model on simulation analysis. It is confirmed that the analysis result of plastic suspension approaches the practical measured values and the better body pressure distribution can be obtained as compared with the existing wire type.

• Physical Therapy Rehabilitation Science
• /
• v.3 no.1
• /
• pp.69-75
• /
• 2014

Objective: We developed a Motor-Assisted Rowing Machine (MARM) for Spinal Cord Injury (SCI), by modification of the Concept II rowing machine, so that the seats could be operated automatically in a backward and forward direction by a motor. Design: Case report. Methods: Motor rowing consisted of a chair with inclination control, a motor system, control button, monitor, program, leg supporter, safety belt, and seat. The patients were 2 men rowing athletes with SCI, classified as American Spinal Injury Association class B, participated in the study. Level of thoracic injury ranged from T8 to T10. The subjects rowed at a self-selected stroke rate with 50 watts. Two different rowing methods (static rowing without movement of the seat, dynamic rowing using MARM) were assigned to each participant during 10 minutes; 34 reflective markers were attached to their full bodies. Kinematic data were collected using the Vicon motion analysis system. Based on the full body model provided as a default by the equipment. In the rowing exercise, the rowing motions were divided into Drive Phase and Recovery Phase. Results: The two rowing methods differ in handle range, seat range, handle and seat ratio, handle velocity, and seat velocity during static and dynamic rowing. The rowing exercise using a rowing machine developed MARM increased tendency to the range of motion in the dynamic method compared to the static method. Conclusions: The newly developed MARM could be a useful whole body exercise for people with SCI.

• Journal of People, Plants, and Environment
• /
• v.22 no.2
• /
• pp.159-165
• /
• 2019

The purpose of this study was to examine the effects of repetitive horticultural activities on the dexterity and out of seat behaviors of 5 years old children. Horticultural activities were conducted from March 3 to April 21, 2017, once a week for 20 minutes per session, a total of 8 sessions. The program was divided into first half (Sessions 1-4) and second half (Sessions 5-8) and horticultural activities were repeatedly carried out. In Sessions 1 and 5, kindergarteners transplanted succulent plants into pots, and observed and managed the plants daily. From Session 2 to 4 and from Session 6 to 8, kindergarteners watered and observed the succulent plants planted in Sessions 1 and 5 and they put flowers on a floral foam (10 × 10 × 10 cm). This study conducted the O'Connor Tweezer Dexterity Test in which the number of pins subjects inserted for 30 seconds was counted, and there was a significant difference (p =.000) in the dexterity of the kindergarteners after performing horticultural activities in the result of the repeated measures design ANOVA. The time kindergarteners left their seat for the first time while participating in horticultural activities for 20 minutes was measured using a stopwatch in each session. There was a significant difference (p =.000) in the ANOVA test in changes in their out of seat behavior in Session 8. In addition, there was no significant difference in the dexterity and out of seat behavior of kindergarteners from Session 2 (p =.364, p =.975, respectively) to Session 3 (p =.055, p =.283), but there was a significant difference from Session 4 (p =.042, p =.009) to Session 8 (p =.000, p =.000) as sessions were repeated.

• Korean Institute of Interior Design Journal
• /
• no.28
• /
• pp.109-116
• /
• 2001

The plastic furniture made of new materials has enriched and broadened our everyday life not only through development of manufacture but also through consumptions since 1960′s. In relation as well to the need of reducing energy consumption and contributing to environment, the weight of plastic materials has raised concerns in recently. It should be pointed out that development of design technology, which would be risky to develop these synthetic materials was the strategic foundation of Kartell of which principal know-how with plastic techniques. Our rapidly changing lifestyle demands a new design that meet recognition of inflection. In conclusion as we are preparing to enter into the 21st Century, we should go forward with hope and do so with dispatch-dazzling all of us with boldness, thinking imaginatively, transform indifference into action, moving things to the next level in furniture industries, asking the "historic background of designing in plastic seat furniture" questions, challenging the very examples of the past in Kartell, Italy. From this study we have found that it would be useful to understand that the development of technological plastic materials for seat furniture has enabled designers to create ore and more sophisticated design in our millennium life.

• Journal of the Korea Furniture Society
• /
• v.25 no.4
• /
• pp.288-296
• /
• 2014

The approach of using the structure of the Joseon Dynasty Zen tradition we design a piece of table for outdoor camping is a necessity in modern culture as continuing to develop this research. Analyzing outdoor and camping equipment according to the time change, we focus on the study table for outdoor camping can apply the structure of the elbow. Outdoor supply is also overlaid with the change, while changing in the picnic and camping camp sensibility that was taking advantage of the individuality of each of the general camp. However, it is a surface camp that Korean culture is not to build up the camp culture that has been fixed camp culture of the world in the only development, following the camp trend of European and American. In an attempt to adhere to the trend of Korea currently camped, camping outdoor products that apply the beauty of Korea with a combination of new modern representation tradition and our culture has designed research. I have designed the camp outdoor table based on the contents mentioned above. For the design of this time, it is now possible to use appropriately in accordance with the outdoor environment conditions that are designed to upright seat sharing table in the market tables for camping and to be divided into the seat and upright.

• Journal of the Korea Furniture Society
• /
• v.10 no.2
• /
• pp.9-16
• /
• 1999

The goal of the present study is to develop the Human Interface Elements(HIE's) for evaluating the physical suitability of office chairs. HIE is generally defined as the physical characteristic of manufacturing goods, and it is closely related to the body dimension of a user and environment that it is used. In the present study the design elements of a chair were investigated, and from here, HIE's of office chair were developed based on relatedness of the design components, the physical characteristics of users, and characteristics of an environment that it used. As a result, components of a chair were classified as 6 major parts: Seat pan, back rest, arm rest, function control unit, seat supports and whole system. 43 HIE's were extracted from there 6 components. Also, the method for measuring HIE were developed.

• Journal of Industrial Technology
• /
• v.26 no.A
• /
• pp.55-61
• /
• 2006

Motorized retractors enhance the safety of passengers by removing the slack of webbing and by holding upright driving position. Reliability of a driving mechanism that includes one-way clutch between the driving motor and webbing is directly linked to the safety of passenger. In this research, conditions for locking one-way clutch, and also conditions for sustaining locking are theoretically investigated. The operation of a motorized retractor under realistic conditions is simulated in order to validate the proposed retractor design.

• Transactions of the Korean Society of Automotive Engineers
• /
• v.13 no.1
• /
• pp.140-146
• /
• 2005

This study presents the development of a round recliner using the finite element method. That reduces the number of test repeating times and gives an information about stiffness. A simulation model of round recliner mounting seat module and tooth strength simulation are established using a PAM-CRASH and ABAQUS. With the optimization of gear profile, structural strength design of round recliner was achieved. The round recliner seat module simulation, structure strength simulation and a crash safety are requested by FMVSS test. Solution of round recliner optimum variable study and design problem are searched for round recliner stress, deformation and application. Also an examination of safety is made.

• Journal of the Korean Home Economics Association
• /
• v.30 no.1
• /
• pp.115-131
• /
• 1992

The purpose of this study is the investigation of the physically handicapped childrens' residentical life, using furniture and opinion of auxiliary furniture ot find out alternative forms of desirable furniture. This study consists of two parts: a survey of residential life and furniture usage and a new chair design based on the survey. Documentary research, observational investigation and questionaire survey methods were used. According to the survey, a chair was chosen as the most needed piece of furniture. The alternative chair was designed to accomodate to the individual physical needs of each child. The structural charasteristics of the chair form consist of four parts: 1) basic seat 2) supporting metal frame 3) detachable chair legs 4) detachable table top. Auxilliary options include adjustable parts such as a head rest, seat belt, arm rest and pedestal.

• Proceedings of the Korean Society of Precision Engineering Conference
• /
• 2010.05a
• /
• pp.865-866
• /
• 2010