F - Mech Eng,Light,Heat,Weapons – 16 – D
Patent
F - Mech Eng,Light,Heat,Weapons
16
D
F16D 65/28 (2006.01) B60T 17/08 (2006.01) B60T 17/22 (2006.01) F16D 66/00 (2006.01)
Patent
CA 2099157
TAMPER-RESISTANT BRAKE ACTUATOR ABSTRACT OF THE DISCLOSURE An air-operated combination diaphragm spring brake has a tamper-resistant seal provided between a head (46) and a spring side of a flange case (18) which together form a spring chamber (16) housing a power spring (72). The head (46) has an annular rim (70), and the flange case has an annular flange (74) with a diaphragm (48) sandwiched therebetween. An annular lip (76) on annular rim (70) extends over the annular flange (74). A snap ring (82) is engaged by opposing annular grooves (80), (78) on the outside of the annular flange (74) and inside of the annular lip (76), respectively, to form the tamper-resistant seal. -18-
Hicks William J.
Pierce William C.
Borden Ladner Gervais Llp
Nai Anchorlok Inc.
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