Abstract: A seal assembly is for a closure element of a valve assembly including a valve body with a flow passage and an annular seat extending about the passage, the closure element being linearly displaceable along a central axis and including a cylindrical body. The seal assembly includes an outer seal including an annular body formed of a polymeric material and having a centerline, an inner circumferential surface defining a seal bore, an outer circumferential surface, and opposing first and second axial ends, the first axial end having a generally radially-extending, annular sealing surface sealingly engageable with the valve seat. An inner connector includes a generally annular body formed of a substantially rigid material and disposed at least partially within the seal bore, the connector body having an inner circumferential surface frictionally engageable with the valve body outer surface to couple the seal with the closure element.

Abstract: A physical shopping cart comprises a controller and a sensor array comprising an initial sensor configured to detect possible-items placed into the physical shopping cart and a secondary sensor configured to determine if possible-items detected by the initial sensor is are items-of-interest. The physical shopping cart is configured to maintain the secondary sensor in a low-power state; sense a possible-item placed into the physical shopping cart; determine if the possible-item is an item-of-interest; and transmit a sense-message that identifies the item-of-interest.

Abstract: Physical shopping carts can have product detection systems and associate physical shopping carts with mobile computing devices (e.g., smartphones, tablet computing devices, smart watches, wearable computing devices). For example, physical shopping carts can be equipped with one or more product detection systems (e.g., scanners, sensors, cameras) that can electronically tally products that are placed in physical shopping carts. Mobile computing devices can be associated with and mounted on the physical shopping carts to provide a variety of enhanced shopping cart features not possible with conventional physical shopping carts, such as electronically tracking the contents of a shopping cart, checking-out from the mobile computing device (instead of at conventional check-out areas, such as point of sale terminals), and others.

Abstract: A seal assembly is for a closure element of a valve assembly including a valve body with a flow passage and an annular seat extending about the passage, the closure element being linearly displaceable along a central axis and including a cylindrical body. The seal assembly includes an outer seal including an annular body formed of a polymeric material and having a centerline, an inner circumferential surface defining a seal bore, an outer circumferential surface, and opposing first and second axial ends, the first axial end having a generally radially-extending, annular sealing surface sealingly engageable with the valve seat. An inner connector includes a generally annular body formed of a substantially rigid material and disposed at least partially within the seal bore, the connector body having an inner circumferential surface frictionally engageable with the valve body outer surface to couple the seal with the closure element.

Abstract: A seal assembly includes a generally annular primary seal member formed of a first, generally compressible polymeric material. The primary seal member has inner and outer radial ends, a first axial end disposeable against a first tubular member end surface and a second axial end disposeable against the second tubular member end surface. The first axial end has a radially-extending, generally annular primary sealing surface sealingly engageable with the first tubular member end surface. A generally annular secondary seal member is formed of a second, generally rigid polymeric material. The secondary seal member has two opposing axial ends and a radially-extending, generally annular secondary sealing surface on a first axial end. The secondary seal member is coupled with the first seal member such that the secondary sealing surface extends generally coaxially about the primary sealing surface, the secondary sealing surface being sealingly engageable with the first tubular member end surface.

Abstract: In some implementations, a system for providing and managing associations between mobile computing device and physical shopping carts used in retail stores includes a physical shopping cart configured to transport physical goods around a store. The physical shopping cart includes a product detection system that is programmed to detect products that are placed in the physical shopping cart, a wireless transceiver to wirelessly communicate with other devices, and a cart identifier that uniquely identifies the physical shopping cart. The system further includes a mobile computing device that is programmed (i) to obtain the cart identifier for the shopping cart, (ii) to establish an association with the physical shopping cart using the cart identifier, and (iii) once the association between the physical shopping cart and the mobile computing device has been established, to output a user interface that provides a real-time summary of the products in the physical shopping cart.

Abstract: A seal for a plug valve and method for manufacturing a seal. The seal includes a sealing element, and a back-up ring coupled with the sealing element by an interference fit. When the back-up ring and the sealing element are coupled together, the back-up ring and the sealing element are curved about a first axis and about a second axis.

Abstract: A seal for sealing between inner and outer bodies includes a generally annular sealing member having inner and outer circumferential sealing surfaces, at least one of the inner and outer sealing surfaces being sealingly engageable with one of the inner body outer surface and the outer body inner surface. The sealing member further has an interior surface at least partially defining a generally annular interior cavity, an opening extending into the cavity, and at least one locking tab extending from the interior surface and into the cavity. An annular biasing member is disposed within the sealing member cavity and configured to bias the at least one sealing surface generally toward the at least body surface. The biasing member has at least one engagement recess configured to receive at least a portion of the at least one locking tab such that the biasing member is retained within the cavity.

Abstract: A computing device displays a sentence template that includes fixed text and one or more menu boxes. The computing device displays particular menu items associated with the menu boxes in the menu boxes in response to receiving user input to select the particular menu items. The fixed text and the particular menu items form a complete sentence in a human language. Subsequently, the computing device displays graphical elements that identify media assets that satisfy criteria indicated by the complete sentence. A user may then play back one or more of the identified media assets.

Abstract: According to one embodiment, a composite seal may include a first, substantially annular seal element having an upper body portion, a neck portion, and an axial protrusion. The upper body portion includes opposing inclined surfaces extending toward the neck portion defining a first angle. The axial protrusion includes opposing inclined surfaces extending toward an axial end of the axial protrusion defining a second angle, wherein the first angle and the second angle are substantially similar. The composite seal may further include a second, substantially annular seal element having a mouth portion, a neck portion and a recess portion, wherein the axial protrusion is configured to be complementarily engaged with the recess portion in an interlocking manner.

Abstract: A seal having a body portion, at least one lip portion extending from the body portion, and a protrusion formed on the at least one lip portion. The lip portion and protrusion formed thereon may each include an arcuate segment wherein the arcuate segment of the protrusion exhibits a smaller radius than the arcuate segment of the lip portion. The protrusion further includes a surface or a segment adjoining its arcuate segment on the intended fluid or upstream side of the seal. The segment of the protrusion on the intended fluid side may be configured to be substantially perpendicular with the surface of a machine element with which it comes in contact. The configuration and orientation of the protrusion enables the seal to apply an increased contact force over a reduced area, improving penetration of any fluidic film formed on the surface of the machine element and thereby reducing leakage.

Abstract: A seal having a body portion, at least one lip portion extending from the body portion, and protrusion formed on the at least on lip portion. The lip portion and protrusion formed thereon may each including an arcuate segment wherein the arcuate segment of the protrusion exhibits a smaller radius than the arcuate segment of the lip portion. The protrusion further includes a surface or a segment adjoining its arcuate segment on the intended fluid or upstream side of the seal. The segment of the protrusion on the intended fluid side may be configured to be substantially perpendicular with the surface of a machine element with which it comes in contact. The configuration and orientation of the protrusion enables the seal to apply an increased contact force over a reduced area improving penetration of any fluidic film formed on the surface of the machine element and thereby reducing leakage.

Abstract: A seal assembly for a groove or seal gland in a relatively displaceable machine part for sealing an axial machine part extending therethrough comprises a pair of annular seal elements and a support element disposed between the annular elements and radially extending wall of said groove. The annular seal elements have an axial slot therein and a key portion extending therefrom, shaped to engage the axial slot. The seal elements are arranged in an inverted nesting relationship to provide superior sealing characteristics when biased toward the machine part by said support element.

Abstract: A seal assembly for a groove or seal gland in a relatively displaceable machine part for sealing an axial machine part extending therethrough comprises a pair of annular seal elements and a support element disposed between the annular elements and radially extending wall of said groove. The annular seal elements have an axial slot therein and a key portion extending therefrom, shaped to engage the axial slot. The seal elements are arranged in an inverted nesting relationship to provide superior sealing characteristics when biased toward the machine part by said support element.

Abstract: A power tool having a first housing assembly, an attachment post and a second housing assembly. The first housing assembly includes a motor assembly and a first wall member. The first wall member defines a first cavity having a longitudinal axis and terminates at a first abutting face. The attachment post has a longitudinal axis and is coupled to the first housing assembly such that the longitudinal axis of the attachment post is perpendicular to the longitudinal axis of the first cavity. The second housing assembly is coupled to the first housing assembly and includes a geartrain assembly, a second wall member and an attachment hook. The second wall member defines a second cavity which terminates at a second abutting face. The attachment hook has a slotted aperture with a longitudinal axis and first and second sidewalls.

Abstract: A seal assembly 20 for a groove 12 or seal gland in a relatively displaceable machine part 10 for sealing an axial machine part 18 extending therethrough comprises a pair of annular seal elements 30 and a support element 50 disposed between the annular elements 30 and a radially extending wall 14 of said groove 12. The annular seal elements 30 have an axial slot 32 therein and a key portion 36 extending therefrom, shaped to engage the axial slot 32. The seal elements 30 are arranged in an inverted nesting relationship to provide superior sealing characteristics when biased toward the machine part 18 by said support element 50.