Abstract:
A seal assembly for an additive pump having a reciprocating piston, said seal assembly including a seal carrier having first and second components each having a bore therein to receive said piston, each component having an end face arranged to abut one another when arranged axially on said piston, a face seal interposed between said end faces to inhibit egress of fluid between said end faces, a pair of circumferential seals at axially spaced locations along said seal carrier and operable to engage said piston during reciprocating thereof and a drain port intersecting one of said bores intermediate said seals to permit egree of fluid from between said seals.
Abstract:
A connector having a cylindrical hollow body having a first, closed end and a second, open end. A first external thread extends from the first end toward the second end and a second external thread extends from the second end toward the first end. Additionally, a contact element extends concentrically from the closed first end of the hollow body.
Abstract:
A connector having a cylindrical hollow body having a first, closed end and a second, open end. A first external thread extends from the first end toward the second end and a second external thread extends from the second end toward the first end. Additionally, a contact element extends concentrically from the closed first end of the hollow body.
Abstract:
A self-checkout system, particularly for retail areas of constrained floor space, has a small to zero footprint while being fully functional. In one form, the self-checkout comprises a unit mountable to a wall, pillar, or other support. In another form, the self-checkout has or is part of a columnar support. The self-checkout system has security in the form of video and weight verification. A visual and/or audio indicator provides indicia of modes of use of the self-checkout. The self-checkout further includes an interactive customer interface terminal, a scanner, and a scale. The self-checkout provides an open visual area that allows easy viewing by store personnel of transactions being performed on the self-checkout system.
Abstract:
A pneumatic motor trigger actuator includes a trigger housing adapted to engage a pneumatic motor trigger of a pneumatic tool. A top plate is coupled to the trigger housing. A primary valve is coupled to the top plate and has an open configuration and a closed configuration. The primary valve is pneumatically coupled to the trigger housing such that air flow through the primary valve, when the primary valve is in the open configuration, enters the trigger housing and causes a plug to physically engage the motor trigger with sufficient force to move it to is fully engaged position. The primary valve includes a primary switch and an automatic stop switch. The primary switch is engagable by an operator to configure the primary valve in the open configuration. The automatic switch is engagable by an object to move the primary valve to the closed configuration when a predetermined condition is met.
Abstract:
A method of operating a self-service checkout terminal includes the step of generating an end-of-itemization control signal in response to a user's indication that the user has no further items to enter into the checkout terminal. The method also includes the step of generating a message in response to generation of the end-of-itemization control signal which instructs the user to (1) verify that the user has no further items to enter into the checkout terminal, and (2) perform a first verification activity if the user has no further items to enter into the checkout terminal. The method further includes the step of generating a confirmation control signal in response to the user's performance of the first verification activity. A self-service checkout terminal having a display monitor for displaying a message which instructs the user to verify that the user has no further items prior to tendering payment is also disclosed.
Abstract:
A method of providing security to a self-service checkout terminal having a bagwell and a light curtain device that generates a light curtain which is positioned over the bagwell includes the step of locating a grocery container in the bagwell. The method also includes the step of generating an item-entered control signal when a product code associated with an item is entered into the terminal. The method further includes the step of advancing the item through the light curtain and into the grocery container and generating a first detection control signal in response thereto. Moreover, the method includes the step of generating an invalid-use control signal when the first detection control signal is generated prior to generation of the item-entered control signal. A self-service checkout terminal is also disclosed.
Abstract:
A connector system for use with an apparatus that delivers a supply of pressurized breathable air to a patient includes an air delivery conduit including an auxiliary conduit. The air delivery conduit and auxiliary conduit have a first end and a second end. A connector is provided to at least one of the first and second ends. The connector includes an inner tubular wall and an outer tubular wall surrounding the inner tubular wall and being concentric with the inner tubular wall. The inner and outer tubular walls define first and second passages that are isolated from one another. One of the first and second passages is configured to communicate with the air delivery conduit and the other of the first and second passages is configured to communicate with the auxiliary conduit.
Abstract:
An air delivery conduit includes a tube including a plurality of corrugations. The corrugations vary along a length of the tube to change flexibility and/or stretch characteristics of the tube in one or more specific zones.