Machine element or mechanism – Elements – Pawls and ratchets
Patent
1974-05-22
1976-03-16
Scott, Samuel
Machine element or mechanism
Elements
Pawls and ratchets
74577SF, F16H 2900
Patent
active
039437965
ABSTRACT:
A pawl member is formed as an integral structure from a synthetic plastics material, the said member having a pawl tooth extending outwardly from a body part and including a tail for co-operation with an abutment to load the tooth into or out of engagement with a co-operating ratchet formation the member being so designed having regard to its intended context as to operate within the strain limit of the material concerned during normal usage.
REFERENCES:
patent: 2216482 (1940-01-01), Wright
patent: 2717565 (1955-09-01), Baehr
patent: 3225874 (1965-12-01), Woolley
patent: 3862580 (1975-01-01), Pulles
Raleigh Industries Limited
Scott Samuel
Shoemaker F. D.
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