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US 4,113,227 AGranted
Cam lock with vertical plunger
AssigneeMarine Moisture Control Company, Inc.
InventorIrving Louis Cigliano
Life of this patent
Estimating the term…
Abstract
A coupling device for coupling together heavy cargo pipes or the like which includes releasable plunger locking means to prevent rotation of a cam element in a locked condition and permit rotation in an unlocked condition. A liquid exit is also provided to prevent liquid accumulation and freezing together of relatively movable locking parts.
Claims10
A coupling device for coupling together a pair of heavy pipes or hoses, comprising:
- a clamp support;
- a bolt threadedly received within and coupled to said clamp support, said bolt including a shank portion;
- a rotable cam element retatable about said bolt and held to said clamp support as a unit;
- and,
- moisture free releasable spring urged locking means to lock said cam element to said bolt to prevent rotation in any direction and for permitting the egress of liquid;
- said releasable locking means including a ring gear fixed to said bolt and peripherally disposed on said shank portion, and
- a spring urged plunger element carried by said cam element and movable in a direction parallel to the axis of said bolt,
- said ring gear and said plunger having teeth axially aligned with the axis of said bolt and complementary to each other and adapted for engagement with each other.
5 more elements
Dependencies are inferred from the claim text.