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900SBL-3F-AB Single-Saddle Chair with Adjustable Floating Backrest & Polished Aluminum Base
Full-Adjustment Professional Saddle Seating with Personalized Back Support and Premium Aluminum Stability | Load Rating: 300 LBSPatent no. USA: US10,722,036B2 & Germany : 20 2019 100 038
Designed for dental clinics, medical facilities, laboratories, and precision-focused workstations, the 900SBL-3F-AB combines a traditional one-piece saddle seat with an adjustable floating backrest and a polished aluminum base.
Its three-function control mechanism allows professionals to independently adjust the seat height, seat tilt, and backrest angle. The responsive backrest provides flexible contact as the user changes position, while the continuous saddle seat offers a stable seating surface for users who prefer a traditional one-piece profile.
- One-Piece Saddle Seat – Provides a continuous and stable seating surface
- Adjustable Floating Backrest – Combines personalized angle control with responsive back support
- Three-Way Adjustment Control – Adjusts seat height, seat tilt, and backrest angle
- Open-Hip Saddle Profile – Supports close workstation access and flexible leg positioning
- Premium Polished Aluminum Base – Delivers stable support with a refined professional appearance
- High-Density Molded Foam – Provides consistent support and dependable shape retention
- Black Genuine Leather Upholstery – Durable and suitable for premium professional interiors
- Commercial-Grade Steel Seat Structure – Engineered for frequent workplace use
- 300 LBS Load Rating – Suitable for demanding professional seating applications
Product Description : Full Adjustment with Traditional Saddle Stability
The 900SBL-3F-AB is developed for professionals who prefer the continuous support of a one-piece saddle seat while requiring greater control over their working position.
Unlike the 2F configuration, this model allows the backrest angle to be adjusted independently from the seat. Professionals can therefore configure the sitting height, seat angle, and back support according to workstation height, procedural requirements, and individual preferences.
Combined with a responsive floating backrest and polished aluminum base, the 900SBL-3F-AB provides a premium seating solution for clinical, laboratory, and technical environments.
1. One-Piece Saddle Seat
The 900SBL-3F-AB features a continuous one-piece saddle seat for users who prefer a solid and familiar seating surface rather than a split-saddle configuration.
Its contoured profile supports the body across the full seat width while allowing the legs to remain positioned on both sides of the saddle.
The one-piece construction requires no seat-width adjustment, making the chair straightforward to operate in individual and shared professional workstations.
Its 19-inch-wide seat provides practical support while preserving the close workstation access associated with saddle seating.
2. Adjustable Floating Backrest
The integrated backrest combines independent angle adjustment with responsive floating movement.
Users can set the backrest according to their preferred support position while retaining approximately 17° to 20° of movement as they reach forward, return upright, or shift between nearby tasks.
This allows the backrest to maintain flexible contact without holding the user in a completely rigid position.
The combination of manual positioning and responsive movement provides greater personalization than the self-adjusting backrest used on the 2F model.
3. Three-Way Adjustment Control
The three-function mechanism provides independent adjustment of:
- Seat height
- Seat tilt
- Backrest angle
The seat height can be adjusted from 23.5 to 31 inches, allowing the chair to accommodate dental units, examination tables, laboratory benches, and other elevated work surfaces.
The seat-tilt control allows users to select a working angle suited to the task, while the independently adjustable backrest enables more precise positioning of the support surface.
These controls make the chair suitable for professional environments involving different users, procedures, and workstation configurations.
4. Open-Hip Saddle Profile
The saddle-shaped seat allows the user’s legs to remain positioned on both sides of the cushion, supporting close access to patients, instruments, and work surfaces.
Its open seating profile provides greater freedom for repositioning than a conventional flat-seat chair, particularly when working around treatment equipment or elevated workstations.
The design is suitable for procedures involving controlled forward reach, frequent changes in operating direction, and movement between adjacent task zones.
5. Polished Aluminum Base and Commercial-Grade Construction
The 900SBL-3F-AB is equipped with a polished aluminum five-star base that provides a stable workplace platform and a premium professional appearance.
Its metallic finish complements modern dental clinics, medical facilities, laboratories, aesthetic centers, and other professional interiors where equipment presentation contributes to the purchasing decision.
A reinforced steel seat structure and 57±5 kg/m³ high-density molded foam provide dependable performance under frequent workplace use.
The commercial-grade construction is rated to support users up to 300 LBS.
6. Professional Genuine Leather Upholstery
The black genuine leather upholstery gives the 900SBL-3F-AB a clean and refined appearance while providing durability for regular professional use.
Its premium finish makes the chair suitable for clinical facilities, laboratories, executive treatment rooms, and specialized work environments where both function and presentation are important.
For importers, distributors, medical equipment suppliers, and private-label customers, Kanewell can evaluate alternative upholstery, base, caster, labeling, and packaging configurations according to project requirements and order quantities.
Recommended Applications
- Dental Clinics
- Orthodontic and Endodontic Practices
- Oral Surgery Workstations
- Medical Examination and Treatment Rooms
- Surgical and Detailed Procedure Workstations
- Research Laboratories
- Veterinary Clinics
- Beauty and Aesthetic Clinics
- Optical and Precision Workstations
- Technical Inspection
- Detailed Assembly Workstations
- Professional Multi-User Environments

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Specifications
| Seat | W19" x D13.5" |
|---|---|
| Seat Width | 21" |
| Back | W16.5" x H13.5" |
| Seat Height | 23.5" to 31" |
| Back Height | 37.5"-45" |
| Seat Foam Density | 57±5 kg/m³ (High) |
| Package | 3.5 cu.ft. |
| Certificate | BIFMA/EN_1335 |
| Capacity | 300 LBS |
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