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Class 137/384.4 - Combination lock


Subclass of Class 137 - Fluid handling
Definition: Devices in which the lock comprises an element which is,
No. of patents: 4
Last issue date: 03/07/2006


NumberTitleIssue Date
7007712Pneumatic tool lock
A pneumatic tool lock integral to the structure of a pneumatic tool and adapted to replace the existing male nipple component of the pneumatic tool is provided. The pneumatic tool lock includes an outer housing adapted to provide access to inner components of the pn...
03/07/2006
4489748Lockable apparatus for deactivating a hydraulic system
A valve body is disclosed located in the hydraulic system of a machine which valve serves to direct hydraulic fluid under pressure to hydraulic components or divert the fluid to a system reservoir to prevent component operation. A check valve in the valve...
12/25/1984
4061158Valve with combination lock and remote control
A combination lock and remote control valve for controlling admission of fuel to the carburetor of an automobile engine wherein an actuator is movable axially and in rotation to align ports in concentrically arranged parts of the valve to permit flow thro...
12/06/1977
4022137Safe with hydraulic safety protection
A safe for protecting valuables such as jewelry with an outer casing having an open top and an inner casing for receiving the valuables. A hydraulically operated, mechanical linkage within the outer casing mounts the inner casing for movement by the appli...
05/10/1977
 
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