Buckles – buttons – clasps – etc. – Cord and rope holders – Chain
Patent
1978-04-24
1980-02-05
Gelak, Bernard A.
Buckles, buttons, clasps, etc.
Cord and rope holders
Chain
114200, F16G 1504, B63G 2118
Patent
active
041864646
ABSTRACT:
An improvement in the class of chain stopper comprising a framework having a chain track extending through it for receiving the chain and a pawl which is pivotably attached at one of its ends to the framework and comprising two parts pivotably connected to each other in the fashion of a toggle link which remains substantially unbent in its chain-stopping position and is actuated to a bent position when the chain is released; this class of chain stopper also comprises an arm pivotably attached at one of its ends to the other end of the pawl and pivotably attached at its other end to the framework, this arm having a bearing portion resting against, and substantially conforming to, the surface of the chain when the pawl is in its chain stopping position. According to this improvement, the pivot axis of the pivotable attachment of the pawl to the framework and the pivot axis of pivotable attachment of the arm to the framework lie on opposite sides of a plane perpendicular to the chain track and which extends through the axis of pivotable attachment of the arm to the pawl, with advantages in reducing stress and frictional forces.
REFERENCES:
patent: 311573 (1885-02-01), Emery
patent: 2014201 (1935-09-01), Field
patent: 3536024 (1970-10-01), Bugaenko
patent: 3547066 (1970-12-01), Bugaenko
patent: 3803942 (1974-04-01), Duggan
patent: 3805728 (1974-04-01), Abraham
patent: 4070981 (1978-01-01), Guinn
Gelak Bernard A.
Pusnes Mek, Verksted A/S
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