192 clutches and power-stop control – Clutches – Automatic
Patent
1993-03-22
1995-01-10
Bonck, Rodney H.
192 clutches and power-stop control
Clutches
Automatic
81 631, B25B 2300, F16D 4118
Patent
active
053798732
ABSTRACT:
A ratchet mechanism housing assembly includes an elongated housing which has an axially extending cavity that receives a drive shaft with a ratchet wheel, and an axially extending peripheral slot that is confined by a pair of opposing vertical walls, each of which being formed with a horizontal inwardly projecting shoulder. The housing is further formed with a horizontal bridge surface that extends across the shoulders, an inclined support face that extends rearwardly and downwardly along a rear edge of the bridge surface, and two stop walls that extend vertically upward from two sides of the inclined support face. The shoulders and the bridge surface support the ratchet pawls in the peripheral slot. During operation, the ratchet pawls abut tightly the shoulders and the bridge surface to prevent inclination and deformation of the ratchet pawls when the ratchet pawls engage the ratchet wheel and to permit generation of a large torsional force.
REFERENCES:
patent: 593157 (1897-11-01), Furbish
patent: 1478212 (1923-12-01), Fegley et al.
patent: 2503373 (1950-04-01), Browning et al.
patent: 4290328 (1981-09-01), Clark
patent: 4621718 (1986-11-01), DeCarolis
patent: 4696208 (1987-09-01), Lay
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