Floating pawl structure providing compound angular yieldability

Machine element or mechanism – Elements – Pawls and ratchets

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Details

188 827, 188 8277, 273143R, A63F 504, F16D 4900

Patent

active

045051674

ABSTRACT:
A shock and overload relieving pawl structure for driving and indexing operations in which the pawl element is part of a floating carrier structure having simple and complex multi-angular mobility in coaction with a bi-directional normalizing spring arrangement all operative such that the carrier and its pawl element are capable of multiplex yieldability linearly, angularly or in compound linear and angular displacement from a normal operating position responsive to engagement with or by the working load or mechanism in either driving or indexing action, as in ratcheting, advancing, or arresting gears and analogous toothed and notched members, with capability of relieving adjustment in the event the engaged or controlled member becomes immovable due to malfunction or intentional restraint. The pawl structure may take variant forms for adaptation to gears, levers, slides, etc. in rotary, oscillatory, or reciprocatory action.

REFERENCES:
patent: 1263496 (1918-04-01), Wenderhold
patent: 2270283 (1942-01-01), Ewald
patent: 2477137 (1949-07-01), Mihalek
patent: 2509639 (1950-05-01), Harker et al.
patent: 2751815 (1956-06-01), Larson
patent: 4239225 (1980-12-01), Burnside
patent: 4267748 (1981-05-01), Grunewald et al.

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