Force limiting gear reducer for lifting pinion of self-elevating

Details Force limiting gear reducer for lifting pinion of self-elevating Force limiting gear reducer for lifting pinion of self-elevating

1981-04-02

1984-11-06

Staab, Lawrence J.

Machine element or mechanism

Gearing

Yieldability in gear trains

405198, 744115, 74422, 74421A, F16H 5700, F16H 5710, F16H 104, E02B 1708

Patent

active

044804911

ABSTRACT:
A force limiting gear reducer for a lifting pinion of self-elevating platform, comprising a gear reducer divided in two parts, a first of said parts being directly connected to a pinion shaft and pinion support and a second said part comprising a shaft-mounted prime reducer with brake and motor connected to an input shaft of the first reducer, a reaction arm of the shaft-mounted prime reducer being connected to a fixed point of a jacking mechanism by means of at least one hydraulic cylinder, means to control the oil pressure in the hydraulic cylinder, and abutments limiting the stroke of the hydraulic cylinder.

REFERENCES:
patent: 1923879 (1933-08-01), Parsons
patent: 3014346 (1961-12-01), Small
patent: 3056573 (1956-10-01), Matheson et al.
patent: 3174353 (1965-03-01), Gross
patent: 3738031 (1973-06-01), Lott
patent: 3986368 (1976-10-01), Levingston

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