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    Latch having tool recess in trigger
    1.
    发明授权
    Latch having tool recess in trigger 有权

    公开(公告)号：US11041331B2

    公开(公告)日：2021-06-22

    申请号：US15084660

    申请日：2016-03-30

    Applicant: Alcoa Inc.

    Inventor： Thai Do

    IPC: E05B13/00 ,  E05B85/26 ,  E05C19/12 ,  E05C19/14 ,  E05B35/00 ,  E05C3/16 ,  E05C3/30

    Abstract: A latch including a body and an engagement member adapted to engage releasably a clevis, and a handle with a trigger attached pivotally and is pivotable between a first position, in which the trigger is engaged releasably with the clevis, and a second position, in which the trigger is disengaged from the clevis. The trigger includes a recess that receives a tool to facilitate pivoting the trigger from its first position to its second position. The latch may include a drive and the trigger includes a socket adapted to receive a key that facilitates moving a drive to clear the handle and disengaging the trigger with the clevis to open the handle.

    High performance AlSiMgCu casting alloy
    4.
    发明授权
    High performance AlSiMgCu casting alloy 有权

    公开(公告)号：US10227679B2

    公开(公告)日：2019-03-12

    申请号：US14574933

    申请日：2014-12-18

    Applicant: ALCOA INC.

    Inventor： Xinyan Yan ,  Jen C. Lin

    IPC: C22C21/02 ,  C22F1/043 ,  B22D17/02 ,  B22D17/08 ,  B22D21/00

    Abstract: New aluminum casting alloys having 8.5-9.5 wt. % silicon, 0.8-2.0 wt. % copper (Cu), 0.20-0.53 wt. % magnesium (Mg), and 0.35 to 0.8 wt. % manganese are disclosed. The alloy may be solution heat treated, treated in accordance with T5 tempering and/or artificially aged to produce castings, e.g., for cylinder heads and engine blocks. In one embodiment, the castings are made by high pressure die casting.

    6XXX aluminum alloys
    5.
    发明授权
    6XXX aluminum alloys 有权

    公开(公告)号：US10190196B2

    公开(公告)日：2019-01-29

    申请号：US14599229

    申请日：2015-01-16

    Applicant: ALCOA INC.

    Inventor： Timothy A. Hosch ,  Russell S. Long

    IPC: C22C21/02 ,  C22F1/043 ,  C22C21/08 ,  C22C21/00 ,  C22F1/04

    Abstract: New 6xxx aluminum alloys having an improved combination of properties are disclosed. The new 6xxx aluminum alloy generally include from 0.30 to 0.53 wt. % Si, from 0.50 to 0.65 wt. % Mg wherein the ratio of wt. % Mg to wt. % Si is at least 1.0:1 (Mg:Si), from 0.05 to 0.24 wt. % Cu, from 0.05 to 0.14 wt. % Mn, from 0.05 to 0.25 wt. % Fe, up to 0.15 wt. % Ti, up to 0.15 wt. % Zn, up to 0.15 wt. % Zr, not greater than 0.04 wt. % V, and not greater than 0.04 wt. % Cr, the balance being aluminum and other elements.

    High performance AlSiMgCu casting alloy
    6.
    发明授权
    High performance AlSiMgCu casting alloy 有权

    公开(公告)号：US10174409B2

    公开(公告)日：2019-01-08

    申请号：US13662132

    申请日：2012-10-26

    Applicant: ALCOA INC.

    Inventor： Xinyan Yan ,  Jen C. Lin

    IPC: C22F1/043 ,  C22C21/02 ,  C22C21/04

    Abstract: An aluminum casting alloy has 8.5-9.5 wt. % silicon, 0.5-2.0 wt. % copper (Cu), 0.27-0.53 wt. % magnesium (Mg), wherein the aluminum casting alloy includes copper and magnesium such that 4.7≤(Cu+10Mg)≤5.8, and other elements, the balance being aluminum. Selected elements may be added to the base composition to give resistance to degradation of tensile properties due to exposure to heat. The thermal treatment of the alloy is calculated based upon wt. % composition to solutionize unwanted phases having a negative impact on properties and may include a three level ramp-up and soak to a final temperature followed by cold water quenching and artificial aging.

    Asymmetric fastener recess and key
    10.
    发明授权
    Asymmetric fastener recess and key 有权

    公开(公告)号：US09970469B2

    公开(公告)日：2018-05-15

    申请号：US14503582

    申请日：2014-10-01

    Applicant: ALCOA INC.

    Inventor： Rodrigo Pinheiro ,  Luke Haylock

    IPC: F16B23/00 ,  F16B35/04

    CPC classification number: F16B23/003 ,  F16B35/045

    Abstract: A fastening system including a pin member and a key for engaging the pin member. The pin member includes a shank portion and a recess formed within an end face of the shank portion. The recess includes a plurality of splines and recesses that form first and second bearing surfaces oriented at angles. The key includes a key head having a plurality of splines and grooves that form first and second bearing surfaces oriented at angles. The plurality of splines and recesses of the pin member and the plurality of splines and recesses of the key are adapted to communicate with each other when tightening and loosening the pin member.

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