B - Operations – Transporting – 65 – G
Patent
B - Operations, Transporting
65
G
198/4.2, 198/4.3
B65G 51/00 (2006.01) B65G 15/40 (2006.01) B65G 15/60 (2006.01)
Patent
CA 1066645
ABSTRACT AIR FILM SUPPORTED AND GUIDED LOAD SUPPORT MEMBER A fluid levitated generally convex support member partic- ularly useful in supporting a pallet, plate or belt such that the pallet, plate or belt load may be moved in an air powered track system, the system including at least one concave track with means for supporting and guiding the convex member and the pallet, plate or belt thereabove on a thin film of pressurized air jetting from nozzles in the track. The support member includes a generally tu- bular, flexible and partly deformable outer member and means for internally stressing the outer member so that under load there will be controlled deformation thereof. The deformed member will be closely complementary to the track surface to maximize load carrying capacity while minimizing fluid support power requirements and the detrimental effect of track deformities. Of particular significance is the ability of the support assembly covering to vibrate at high frequency at the track surface in response to the track jets and the wedge flow of the fluid support film to provide a pumping action which propagates and augments the pressure of the support film. Also, the small air film provides a controlled air gap which permits the use of electromagnetic propulsion means installed as part of the track for reaction with suitable secondary devices included in the support means. Under load removal there will be controlled recovery of the shape of the outer member. The support member ex- hibits excellent wear, cleanliness, cushioning, manufacturing, ant select frequency response and damping characteristics.
288996
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