F - Mech Eng,Light,Heat,Weapons – 16 – D
Patent
F - Mech Eng,Light,Heat,Weapons
16
D
F16D 1/06 (2006.01) F16D 1/076 (2006.01) F16D 1/08 (2006.01)
Patent
CA 2665772
The "Universal spacer" provides a way to safely mount an Anti-rotation device (ARD) to a fin fan shaft. The ARD holds fans stationary when not being used to stop them from spinning backwards. Fans that are not held from spinning backwards can cause damage to machinery and be a safety issue for workers. This ARD was previously patented by Nicholas Agius in Canada and USA (US Patent # 5,562,418 and Canadian Patent # 2,127,726). The ARD bolts to the bottom of a vertical fin fan shaft's (driven) timing belt pulley. The ARD bolts to the bushing that secures this driven pulley to the fan shaft. If the pulley bushing is a taper-lock style (which is the most common style) then some sort of spacer or a spigot flange is required to ensure that the bolting force of the ARD is directed to the taper-lock bushing face and not the shaft end or pulley face. Since there is more than one size of taper-lock bushing being used world wide (for fin fans) this meant there was a need for more than one size of ARD to fit everything. This is why the "Universal spacer" was invented. With the "Universal spacer" now one ARD can fit every taper-lock bushing size worldwide. I invented the "Universal spacer" for the ARD market so the ARD can be bolted to many different taper-lock bushings with one simple "Universal spacer" design. My "Universal spacer" invention is unique as it is four spacers in one so less material cost and waste which provide a simple low cost solution and make the ARD more versatile for the world wide market. It also lowers the costs for the ARD's to the end-user. The "Universal spacer" will fit four different sizes of taper lock bushings which will cover 99% of all fin fan shafts worldwide.
Agius Nicholas V.
Na
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