Article Feeders TRIZ Cases

A cam member presses a separation roller toward a feed roller using a one-way clutch to hold position.

A locking mechanism engages a claw with an engagement projection to secure the holder, preventing misalignment during non-paper feeding.

A sheet guide member extends into a merging section to manage trailing end flexing forces, reducing striking sounds against transport guides.

A multi-feed detection sensor unit uses ultrasonic sensors to separate documents.

A medium feeding device uses a suppression unit to maintain paper position during air blowing.

Segmented covers extract independently to widen workspace, preventing scratches during maintenance.

Segmented vanes on a rotary body prevent large banknotes from slipping out while minimizing the apparatus footprint.

A motor control device adjusts excitation current to weaken magnetic flux intensity.

A medium feeding mechanism adjusts transportation velocity based on paper type to synchronize arrival times at the destination apparatus.

Segmenting the driven roller into a smaller contactable portion and a toothed wheel portion reduces entry resistance, preventing sheet jamming and banding.

Segmented guide plates separate rollers to remove jammed papers without increasing device size along the transfer direction.

A feed assembly uses an elastic member to project a frictional element from a guide surface for maintenance.

Segmented guide plates rotate to expose jammed sheets, reducing the occupied area required for removal compared to horizontal drawer extension.

A pressing member guide portion directs transferred sheets toward a downstream side, preventing floating and correcting oblique transfer paths.

A removable support element reduces drop height to prevent book covers from tipping, ensuring reliable filling during format changes.

A conductive shield member covers the ultrasonic receiver to block external noise and ensure accurate double-feed detection.

A separation mechanism uses a sliding connecting element to adjust roller spacing for smooth document passage.

Orienting the main board along the document transport path reduces apparatus size without increasing complexity.

Secondary pressurized air generates a Venturi effect to evacuate residues from suction holes, preventing clogging and sheet soiling.

Pivoting a tray cover and plate about separate axes reinforces the structure, preventing breakage without increasing device height.

Grooves and projections on a feeding roller scrape off paper particles, maintaining friction and conveying performance.

Integrating an operation panel into a sheet conveying unit with lateral displacement reduces vertical and horizontal apparatus size.

Elastically deformable support structure maintains parallel alignment between separation and conveying roller shafts, reducing misalignment and uneven wear.

Intermediate storage and synchronized sheet handling reduce pressure force crushing elements while maintaining constant alignment during high-speed processing.

A scanning module uses a contact assembly to abut the second glass plate bottom surface.

An adjustable sheet feed mechanism resolves feeding reliability contradictions by dynamically altering roller angles for different paper sizes.

A single switching component controls nipping positions of multiple transporting roll pairs, reducing device complexity and manufacturing cost.

A paper stopping module uses a transmission member to move a plate vertically between feeding and blocking positions.

A double-sided lever retracts along a specific path to clear the cassette insertion space.

A paper feeding device uses a straight relay duct to connect an air sucking fan and a separation fan for efficient sheet transport.

Spaced second rollers guide wide media via inclined surfaces, preventing front-end hanging and skewing in the reading path.

Linear guide displacement allows separation roller replacement without increasing equipment volume.

Controller analyzes document form and edge states to detect jams without dedicated hardware.

Curved asymmetric guide surfaces direct sheets toward nipping rollers, reducing collision noise and jams.

An elastically deformable porous block varies the separation gap size based on sheet thickness, preventing double take-outs across different material gauges.

A sheet supply device clutch mechanism controls driving force transmission to the output gear.

A transport apparatus grips print medium along a track to reduce jamming risk and improve registration accuracy during continuous double-sided printing.

A document handler optical sensor employs a segmented cavity with drainage to protect against liquid ingress and ensure reliable detection.

A focal distance changing unit aligns the photographing unit focus with narrow media side portions.

A sheet feeder uses a curved calibration strip to control media release onto the platen.

A pivoting gripping arm converts lowering motion into a closing action to secure material webs.

A swingable holder with a separate guide member directs sheets to the lower side of the feed roller, reducing space near the holder.

Segmenting the common housing creates gaps that improve user accessibility to the transport path while maintaining relative position stability.

An openable member discharges trapped air from the duct to prevent violent sheet displacement caused by sudden pressure spikes when the shutter blocks flow.

A document transport controller adjusts sheet speed to match image reading rates.

A sheet feeding device uses a rotating flap to guide paper direction changes during reverse conveyance.

Pivotable guide members with outer contact surfaces resolve the conflict between jam handling ease and manufacturing precision.

Multiple light positions illuminate media ends to resolve double feed risks caused by single-point detection limitations.

Lateral sensor positioning removes emitter and receiver from dust generation zones, preventing particle adherence on detection surfaces.

A document feeder uses a retard roller rotating opposite to the pickup direction to separate overlapping sheets.