Valve lock

Details Valve lock Valve lock

1992-01-17

1992-11-24

Gall, Lloyd A.

Locks

Special application

For control and machine elements

70180, 70203, 70212, 137385, F16K 3500

Patent

active

051652633

ABSTRACT:
The locking device locks the valve control lever in both its closed or open positions. It consists of a male part and a female part. The male part includes a lengthwise cavity, for flatly and freely receiving the valve lever, and a U-shape extension, transversely extending from one end of the male part main body. The female part defines a channel for sliding engagement by the interconnected male part and valve lever, to interlock same. A padlock interlocks the male and female parts by engaging registering ears thereof.

REFERENCES:
patent: 748720 (1904-01-01), Glazier
patent: 1590032 (1926-06-01), Jauch
patent: 2377036 (1945-05-01), Quarfoot
patent: 2667864 (1954-02-01), Marx
patent: 3960168 (1976-06-01), Plympton
patent: 3980099 (1976-09-01), Youngblood
patent: 4041738 (1977-08-01), Vann
patent: 4498320 (1985-02-01), Mullis
patent: 4630456 (1986-12-01), Nielsen, Jr.
patent: 5003797 (1991-04-01), Wirth et al.
patent: 5035128 (1991-07-01), Ridgway

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