See how spherical joints between backrest rods and frame enable multi-directional rotation to p
See how electromagnetic drive with PWM voltage control replaces stiff mechanical transmission t
See how a glider recliner mechanism uses a lower, rearward pivot point and forward seat motion
See how a rigid hinged linkage between backrest and seat maintains a single curved seating line
See how a deformable functional body with movable engagement members enables customizable oscil
See how relocating elastic return means between frame and backrest support eliminates shape con
See how a swing chair uses eccentric drive with universal joint buffering to adjust swing frequ
See how a limit stop mechanism enables rocking at seating and intermediate positions while prev
See how a deformable functional body with movable engagement members enables user-adjustable os
See how a single-lever rocking mechanism with spring cushioning prevents seizing and breakage u
See how segmented rocker cam surfaces and gravity-based counterweights enable forward reclining
See how a merged rocking and reclining mechanism uses passive linkages and biasing devices to e
See how removable rocker brackets with arcuate surfaces convert standard chairs into rocking ch
See how a plate-shaped spring element with multiple fastening sections replaces hinged componen
See how a curved hinge line rigidly connects backrest and seat in a synchronized mechanism to e
See how a spacer between spring and mounting plate eliminates frictional noise and enables wide
See how a kidney-shaped hole and limiting pins guide driving members to synchronize left and ri
See how articulated contact elements with rotating balls and pivoting brackets adapt to rider p
See how a multi-part cam assembly with snap-fit interlocks enables quick interchange of furnitu
See how a projected back pivot point at the seat-back intersection eliminates shirt pull, maint
See how segmented spreader bar design with spring-button connections reduces hanging chair pack
See how segmented cam pieces with snap-fit interlocks simplify recliner and motion furniture as
See how pivoting driving members compress a spring through a pulling rod to reduce tilting effo
See how a projected back pivot point at the seat-back intersection eliminates shirt pull, maint
See how two oscillating elements with convex supports and universal joints redistribute spinal
See how a wavy plate with mound-shaped surfaces replaces vertical-wall cam surfaces to widen pr
See how a rectangular rocker base with variable radii of curvature enables omnidirectional moti
See how oscillating seat elements with convex supports enable controlled dynamic movement to di
See how a three-rod transmission linkage and dual swing-arm installation component reduce cente
See how an actuator-driven locking mechanism automatically secures a mobile chair seat during e
See how a three-sub-mechanism linkage moves the seat along a spherical path using circular and
See how a spiral adjusting mechanism with gear-shaped blocks and spiral groove enables rapid to
See how a single pivot axis with vertically spaced springs reduces rocking mechanism footprint,
See how a multi-piece cam assembly with snap-fit interlocking features enables consumers to ass
See how asymmetrically positioned spring elements and an eccentric pivot axis reduce installati
See how a polymeric sleeve restrictor eliminates metal-to-metal contact in furniture rocker spr
See how an adjustable plunger receptacle enables flexible control of seat movement by varying f
See how a pin-slot coupling with optimized slot angle provides weight-adaptive tilting resistan
See how a single spring element on one side of the pivot axis enables two-way chair rocking, re
See how a toggle arrangement with independent pivot mechanisms allows differential backrest and
See how a hinged curved-line design merges backrest and seat into one continuous support surfac
See how a wavy plate with mound-shaped cam surfaces and followers enables smooth seat movement
See how a motor-driven swingable carrier with adjustable seat angles and automated swing contro
See how a pantograph-driven legrest mechanism integrates with a cam-based tilt lock to enable i
A rolling cradle and guide let an office chair seat pivot laterally with damping, improving spinal support without unstable all-side tilting.
A nested ottoman linkage hides scissor-like parts behind the outer shell, reducing exposed pinch points while keeping smooth footrest extension.
A linked seat and backrest with gas-spring balancing reclines together to preserve leg space and avoid the sliding sensation.
Recessed chair runners and simple fasteners convert fixed chairs into secure rockers that fit varied leg sizes and allow front-to-rear or side-to-side motion.
Cooperative front and rear blocker cams lock glider-recliners in TV and full-recline positions without unintended glide or abrupt stops.
Polymeric sleeve restrictors replace metal contact in a furniture rocker spring assembly to cut frictional noise and simplify assembly.
Segmented flaps and Velcro fasteners let one chair cover wrap the body and legs for a fitted, reupholstered look across chair types.
A snap-fit multi-piece cam lets recliner, rocker, and glider parts self-align for strong connections without demanding precise user assembly.
By keeping the seat front level above the rear and slowing near turnover points, the chair reduces dislocation, inertia, and discomfort.
Eccentric spring supports and a toothed actuator adjust chair tilt resistance and lock multiple seat positions without vigorous tilting.
Coordinated rocking and backrest recline prevent awkward offset motion, improving comfort and relaxation in a reclining body support.
Resilient blocks and linked rockers synchronize recline and rocking while limiting roll, yaw, and over-motion in compact chair controls.