See how a self-contained pull string drive module with bayonet fastening detaches from the lid,
Bidirectional door-handle rotation is converted by one-way clutches into electrical power for access control, reducing battery maintenance.
Harvesting upper-leg motion through flexible tension members generates discreet wearable power and reduces reliance on external battery packs.
A helical drive converts push-pull human motion into generator torque, using bearings and tuned pitch angles to improve output efficiency.
Harvests upper-leg motion through cuffs and crank arms to generate electricity, extending mobile and wearable device battery life discreetly.
Animal muscle power drives gears and a generator to cut non-renewable energy use, with diesel backup for reliable output.
Upper-leg motion drives a flexible-shaft generator that discreetly charges mobile devices while reducing reliance on bulky external batteries.
A ratchet-driven magnet disk and variable reluctance sensors turn breathing motion into regulated DC power without external power or control circuitry.
A ratchet-driven rotary generator boosts respiration energy harvesting by using variable reluctance sensors and regulated DC output without external power.
A reciprocating rack and multiple pinions sustain hand-powered charging even after gear damage, improving portable emergency power reliability.
A hub and pivoting arm let users crank or twirl a compact generator to produce emergency power without heavy batteries or complex controls.
Damping sleeves bridge gaps and absorb oscillations, reducing noise while maintaining mechanical strength.