An axially-switchable quick release device, including: a rod extending in an axial direction; a clutch shaft disposed at an end of the rod and having a meshing teeth portion and an idling ring portion; and a quick release lever having a fitting portion and a turning portion connected to the fitting portion The fitting portion has a fitting teeth portion sleeved onto the clutch shaft and movable along the axial direction and between a meshing position and an idling position. When the quick release lever is at the meshing position, the fitting teeth portion engages with the meshing teeth portion so that the quick release lever and the clutch shaft can rotate synchronously. When the quick release lever is at the idling position, the fitting teeth portion moves to the idling ring portion so that the quick release lever can rotate freely relative to the clutch shaft.

A CPR device having a base member configured to be placed underneath a patient, a chest compression mechanism configured to deliver CPR chest compressions to a patient, a support leg configured to support the chest compression mechanism at a distance from the base member, a clamp mechanism coupled to the support leg, and a release mechanism coupled to the support leg and the clamp mechanism. The clamp mechanism may be configured to attach the support leg to a lock component of the base member in a latch-closed configuration and to release the support leg from the lock component in a latch-open configuration. The clamp mechanism may further be configured to transition from the latch-closed configuration to the latch-open configuration when the lock component of the base member impinges upon an external portion of the clamp mechanism.

A power tool has a mechanism for ejecting a battery pack which includes a receiving frame which defines a cavity to receive a battery pack. A receiving member is adjacent the cavity. The receiving member meshes with a member on the battery pack to hold the battery pack in the cavity. A biasing member is in the cavity adjacent the receiving member. The biasing member ejects the battery pack from the ejecting mechanism. A member retains the biasing member in the cavity. The member guides a portion of the battery pack meshing with the receiving member into contact with the biasing member such that when the battery pack is locked onto the frame, the biasing member is in a compressed condition and when the battery pack is an unlocked position, the biasing member ejects the battery pack from the frame.

An ejector lever includes a lever body and an unlocking mechanism, where the unlocking mechanism includes an unlocking hook and a safety latch, the unlocking hook is rotatably connected to the lever body using a first rotating shaft, and the safety latch is rotatably connected to the lever body using a second rotating shaft. The unlocking hook is provided with a first end and a second end, the first end is opposite to the second end across the first rotating shaft, the first end is provided with a hook, the second end is provided with a first abutting part, the safety latch is provided with a second abutting part, and the first abutting part is in contact with the second abutting part; and the second abutting part is configured to apply first force on the first abutting part when the safety latch rotates around the second rotating shaft.

A removal assembly includes a main body, a positioning element, an elastic element, an actuating element, and a wrench element. The positioning element is movably disposed in an inner space of the main body, including a clasp part and an oblique side surface, and the clasp part extends out of the main body. The elastic element is disposed between the main body and the positioning element. The actuating element is pivotally installed in the inner space of the main body, including a pressing part and an abutting part, the pressing part extends out of the main body, and the abutting part abuts against the oblique side surface of the positioning element. The wrench element is connected to the main body, including a fixing part and a pivoting part.

In an attachment stage 20 of an adapter device 10, a fastening unit 221 fastened to a main body device is provided on an attachment surface 21 in advance. A connector 55 is provided on a housing 50. Further, the adapter device 10 is provided with a movement direction conversion unit configured to convert a movement in an operation direction of an operation lever 41 into an insertion and detachment direction of the connector, and move forward and backward the housing 50 in the insertion and detachment direction of the connector 55 with respect to the attachment stage 20 in accordance with the operation force. In the movement direction conversion unit, a first link mechanism converts the movement in the operation direction of the operation lever 41 into a movement in a surface direction of the attachment surface 21 of a hook unit 321f, and a second link mechanism converts the movement in the surface direction of the hook unit 321f into the movement in the insertion and detachment direction of the connector of the housing 50 with respect to the attachment stage 20. The hook unit 221f of the 221 is fastened to the main body device and the operation lever 41 is operated, so that the insertion and detachment operation of the connector can be performed in a stable manner.

The present disclosure provides a food contact article. The food contact article includes a polymeric composition composed of a neat olefin block copolymer. The food contact article exhibits a total color change value, E, of less than 20. The polymeric composition provides an article that is suitable for food contact application, the article having softness and stain resistance.

A latch mechanism is provided for latching a field-replaceable unit within an enclosure. The latch mechanism includes a pivotable latch coupled to the field-replaceable unit via a pivot, at a first side of the unit, and a spring member associated with the enclosure. The spring member is engaged by the latch and deflects with rotating of the latch from an open position to a latched position. The pivotable latch includes the first end and a second end, with the pivot being disposed closer to the first end than the second. The deflecting spring member facilitates provision of positive pressure on the unit directed towards a second side of the unit opposite to the first side to facilitate, for example, fixedly coupling a first connector at the second side to a second connector associated with the enclosure when the unit is latched within the enclosure.

A latch mechanism is provided for latching a field-replaceable unit within an enclosure. The latch mechanism includes a pivotable latch coupled to the field-replaceable unit via a pivot, at a first side of the unit, and a spring member associated with the enclosure. The spring member is engaged by the latch and deflects with rotating of the latch from an open position to a latched position. The pivotable latch includes the first end and a second end, with the pivot being disposed closer to the first end than the second. The deflecting spring member facilitates provision of positive pressure on the unit directed towards a second side of the unit opposite to the first side to facilitate, for example, fixedly coupling a first connector at the second side to a second connector associated with the enclosure when the unit is latched within the enclosure.

The present invention provides a safety link assembly for use with an aerial delivery apparatus, the assembly comprising a main body, an ejectable connector, a retaining mechanism comprising a retaining lever rotatably mounted on a rotary axis on the main body and rotatable between a first retaining position, and a second releasing position, and a securing mechanism comprising a securing member moveable between a first securing position, and a second non-securing position, wherein the distance from the first region of the retaining lever to the rotary axis is less than the distance from the second region of the retaining lever to the rotary axis. The invention also provides methods of performing an aerial delivery from an aircraft.