F - Mech Eng,Light,Heat,Weapons – 16 – F
Patent
F - Mech Eng,Light,Heat,Weapons
16
F
F16F 9/04 (2006.01) B60G 17/052 (2006.01) D21F 3/06 (2006.01) F16F 15/02 (2006.01) F16F 15/027 (2006.01)
Patent
CA 2094814
An air spring apparatus (10) has quick pressure release, and rapid air exhaust, capability by means of a relatively large di- ameter exhaust port (44) in a larger, primary air spring (12) which is controlled by the action of a smaller, secondary air spring (14). The secondary air spring (14) is equipped with a check valve (56) which controls the flow of air into the primary air spring (12). The rapid exhaust of the primary air spring (12) is effected by triggering the removal of air pressure from the secondary air spring (14) through a plurality of orifices (86) in a centrally disposed guide tube (52) which permits the collapse of the smaller air spring and the accompanying removal of a valve plate (48) from a relatively large diameter exhaust port (44) of the primary air spring (12). Once the exhaust port (44) in the primary air spring (12) has been opened, the air pressure in the primary air spring (12) is immediately lowered, and the load on the larger air spring causes rapid expulsion of the volume of air in the primary air spring (12) to permit its quick deflation and collapse to a predetermined minimum height.
Beloit Technologies Inc.
Ridout & Maybee Llp
LandOfFree
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