RichUrethaneCaster HandBook

2026/11/5 The Challenge of Zero Caught-In Accidents Guide to Introducing Casters with Protective Covers A New Standard for Cart Safety on the Shop Floor (Explanatory material for purchasing and safety & health staff) 1 Did You Know? The Hidden Risk of Cart-Related Workplace Accidents Fiscal 2017 495 cart accidents per year *Source: Ministry of Health, Labour and Welfare, "FY2017 Occupational Accident Data for 4+ Days Lost (25% sample)" Of these, 42 cases (8.5%) were "foot caught-in" accidents "Lost balance and stepped on by the Of these, 8 cases (1.6%) were cart; fractured the base of the big serious injuries such as toe toe" fractures with "4+ days of lost work" "A cart loaded with sixty 10 kg cement bags ran over a little toe, causing a fracture" Not just operator error: physical "caught-in" contact triggers serious injury 2 1

2026/11/5 The Hidden Costs of a Fracture Accident Workers' compensation and lost-time benefits Emergency cost of Lower on-site replacement workers productivity and increased overtime The cost of responding after an accident far exceeds the investment in prevention (installing protective covers). 3 Protect Feet with a Physical Guard: Casters with Protective Covers Minimizes the gap between floor and cover, eliminating space for High-visibility toes to get in safety yellow alerts people nearby 4 2

2026/11/5 Three Design Principles to Meet Every Site Need Optimized Height Flexible Custom Safety Through Complete Orders Delivery Standard specification: Can be fitted not only to Sold as a set, as "casters 25 mm or 35 mm from the medium-load casters but with protective covers." floor. also to stainless steel Completely eliminates the Custom heights available to casters for food factories risk of covers falling off or suit steps and site and heavy-load casters for malfunctioning from after- conditions. heavy goods. market fitting. 5 From General-Purpose Carts to Special Environments: A Wide Range Standard Heavy-Load Stainless Steel (Medium-Load) Ideal for general-purpose For carts carrying heavy For food factories with carts in logistics goods such as auto parts strict hygiene control and warehouses and factories. and large machinery. sites prone to corrosion. 6 3

2026/11/5 [Buyer's Guide] How to Choose the Best Specification Criteria Standard Custom (made to order) Sizes other than Size Φ150mm / φ200mm Φ150mm/φ200mm also available Series Medium-load casters Stainless steel casters, heavy-load casters, etc. Height from floor to cover 25mm or 35mm Any height to suit the environment Material / color Steel plate, safety yellow Plated steel and stainless steel covers available Standard lead time Consultation required Lead time (usually about 1 week) (produced after drawing approval) *1 Protective covers cannot be set on plain-bearing wheel specifications. 7 Details of the "Standard Specification," the Fastest to Introduce Details of the "Standard Specification," the Fastest to Introduce Supports the 4 Basic Medium-Load Caster Types J (swivel), K (fixed), JB (swivel with stopper), KBZ (fixed with stopper) Size: φ150mm / φ200mm Material: Steel plate, safety yellow Height from floor to cover: 25mm / 35mm Cannot be fitted to spindle sleeve-bearing wheel specifications 8 4

2026/11/5 Made for Special Site Environments: The "Custom Specification" Process Step 1: Step 2: Step 3: Step 4: Consultation Drawing Approval Production We ask about the We create a You review the We begin made-to- caster size, material, dedicated design drawing and order production. and desired cover drawing based on approve that it (Production takes height (including your requirements. meets your safety considerable time.) consideration of standards and steps). requirements. 9 For DPeutracihlass ionfg tShtea f"fS:t aKnedayr dP oSipnetcsi ftioc aCtoinofni,r"m tthoe MFaaisntteasitn toS afety StanIdnatrrdosduce Covers cannot be purchased separately or retrofitted Cannot be retrofitted to existing casters. Please order as "casters with protective covers." Cannot be fitted to spindle sleeve-bearing wheel specifications Protective covers cannot be set on some wheels, such as plain-bearing wheels (PNA/PNUA/P/UWB/UWBD/UWA wheels). Use together with other safety measures is recommended Depending on floor conditions and travel speed, caught-in accidents may not be fully prevented. Use together with other safety measures. 10 5

2026/11/5 The "3 Pieces of Information" Needed for a Quote or Inquiry [1] The caster part number to fit the protective cover on(e.g., SJ-150) [2] The "height" from floor to cover(25mm or 35mm for standard specification) [3] The required "quantity" Simply confirm these 3 items on site and we can provide a quote and arrange your order smoothly. Please contact us first. 11 Workplace safety starts with choosing the casters underfoot Specifications and installation examples of casters with protective covers can be found on the website below. https://gifusanken.com/ukai/cataj/ Gifu Sanken Kogyo Co., Ltd. Caster Division cover/cover.html https://gifusanken.com/ ※Japanese Only 2026/4 12 6