Rotary drive lock

Details Rotary drive lock Rotary drive lock

1984-09-10

1987-01-27

Smith, Gary L.

Locks

Special application

For control and machine elements

70175, 137385, 2512495, F16K 3500, F16K 3144, G05G 500

Patent

active

046386505

ABSTRACT:
An adjustable lock for rotating drives, more particularly pipework fittings such as screwdown valves, gate valves or the like wherein the drive is required to make a number of revolutions. In the adjustable lock, a planetary transmission is provided as a reducing transmission in order to reduce drive rotation to at most one revolution and, therefore, to define a definite locking position.

REFERENCES:
patent: Re21113 (1939-06-01), Sproull
patent: 846257 (1907-03-01), Stratiff
patent: 2360695 (1944-10-01), Linden et al.
patent: 2844021 (1958-07-01), Bryant
patent: 2872155 (1959-02-01), Hazard
patent: 3737604 (1973-06-01), Dietrich et al.
patent: 4093180 (1978-06-01), Strabala
patent: 4471801 (1984-09-01), Lange
patent: 4483366 (1984-11-01), Labita

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