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1.发明授权公开(公告)号：US11292048B2
公开(公告)日：2022-04-05
申请号：US16092925
申请日：2017-04-14
申请人： SOMFY ACTIVITES SA
发明人： Eric Lagarde
摘要： Disclosed is a method for manufacturing a spring for a spring brake, including a shaping and cutting step f) including the following sub-steps: —f1) shaping a raw wire into a coil with a plurality of raw turns, the raw wire having: raw portions that extend from the end of the raw wire over at least one raw turn, and an intermediate portion between the raw portions, —f2) separating the first raw portion and the second raw portion of the raw wire by cutting, after implementing sub-step f1), and —f3) shaping a first tab (5), at a first end of the intermediate portion, after sub-step f1), and —f4) shaping a second tab (7), at a second end of the intermediate portion opposite the first end, after sub-step f1).
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公开(公告)号：US11267691B2
公开(公告)日：2022-03-08
申请号：US16619998
申请日：2017-06-07
申请人： Spühl GmbH
发明人： Andreas Fischer
摘要： In order to manufacture an innerspring unit (31) comprising pocketed springs and having an increased stability at its edge regions, in a first step, an innerspring main body (30) comprising a plurality of first strings (14) of pocketed springs is provided. In a subsequent second step, at least one second string (13c, 13d) of pocketed springs is attached to a lateral surface of the innerspring main body (30), so that the at least one second string (13c, 13d) of pocketed springs extends in a longitudinal direction of the innerspring main body (30). The springs (13) of the at least one second string (13c, 13d) of pocketed springs have a spring characteristic or a spring geometry different from the springs of the plurality of first strings of the innerspring main body (30). The at least one second string (13c, 13d) of pocketed springs forms together with the innerspring main body (30) the innerspring unit (31).
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公开(公告)号：US20210308740A1
公开(公告)日：2021-10-07
申请号：US17273923
申请日：2019-09-03
申请人： NHK SPRING CO., lTD.
发明人： Masaaki MAEDA
IPC分类号： B21F35/00
摘要： Provided are a forming method for an arc spring, capable of easily and surely locating bearing faces on both end faces of a semi-finished product in predetermined positions, the bearing faces having lengths within permissible ranges in a circumferential direction. For a semi-finished product prior to curving an axis, it is determined whether circumferential lengths of bearing faces on both end faces are respectively within the permissible ranges based on end face image information of the both end faces imaged in an axial direction prior to the curving, a circumferential rotational position of the semi-finished product capable of respectively locating the bearing faces within the predetermined positions is specified using the end face image information, and the semi-finished product is rotated to the specified rotational position, and the wedge part is sequentially driven into inter-wires of the semi-finished product to deform the semi-finished product.
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公开(公告)号：US10508700B2
公开(公告)日：2019-12-17
申请号：US13935795
申请日：2013-07-05
申请人： Barnes Group Inc.
IPC分类号： F16F1/04 , F16F1/12 , F16F15/123 , B21F35/00
摘要： An arcuate spring having a plurality of coils which are configured and dimensioned to provide an arcuate shape to the spring and being substantially free of internal stresses which would tend to urge the coils into linear alignment. The spring is designed to function under load conditions while maintaining its natural arcuate shape. The spring is can be heated by use of an induction heating process.
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公开(公告)号：US10384260B2
公开(公告)日：2019-08-20
申请号：US15243973
申请日：2016-08-23
发明人： Yao Ming Yang , Hua Yun Hsin , Neng Wen Mao
摘要： A servo-rotating all-function tool module is provided for use with a spring forming machine and includes an axle rotating tool module and a servo transmission module assembly. The axle rotating tool module is mounted to the axle and includes an axle slide base and a tool, so that the axle slide base is acted upon by a force to slide along the axle, the tool is caused to press downward or return upward. The servo transmission module assembly is mounted to the spring forming machine to provide a driving force for causing the axle slide base to slide along the axle. Since the tool module is mounted to an axle mounted to a front wall board of the spring forming machine, the direction in which the tool approaches a wire can be varied by rotating the axle in order to conduct operations of bending at different angles and twisting/looping.
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公开(公告)号：US10359090B2
公开(公告)日：2019-07-23
申请号：US14238293
申请日：2012-07-26
申请人： Kazuya Ikai , Tohru Shiraishi , Yuichiro Ono , Yoshiki Ono
发明人： Kazuya Ikai , Tohru Shiraishi , Yuichiro Ono , Yoshiki Ono
IPC分类号： C21D9/02 , C22C38/02 , C22C38/04 , F16F1/02 , B21F35/00 , C21D7/06 , C21D8/06 , C22C38/18 , C22C38/24 , C22C38/34 , C22C38/46 , F16F1/06 , B24C1/10
摘要： A compression coil spring having high durability can be provided by using an inexpensive wire material. The present invention provides a compression coil spring formed by using a steel wire material, the steel wire material made of C: 0.45 to 0.85 mass %, Si: 0.15 to 2.5 mass %, Mn: 0.3 to 1.0 mass %, Fe and inevitable impurities as a remainder, and a circle-equivalent diameter of 1.5 to 9.0 mm, wherein hardness of a freely selected cross-section of the wire material is 570 to 700 HV, and at an inner diameter side of the coil spring, unloaded compressive residual stress at a depth of 0.2 mm from a surface in an approximate maximal main stress direction in a case in which compressive load is loaded on the spring is 200 MPa or more, and unloaded compressive residual stress at a depth of 0.4 mm from surface is 100 MPa or more.
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公开(公告)号：US20190168287A1
公开(公告)日：2019-06-06
申请号：US16306298
申请日：2017-06-01
申请人： HS Products Ltd
发明人： Simon SPINKS , David CLARE
摘要： Apparatus for forming wire components, which are in this example springs, comprises a supply station (202), for supplying spring forming material, such as metallic wire W. The supply station includes a pair of guide rollers (204) and pair of driven feed rollers (206), mounted on a heavy support plate (216). The wire is fed through a flexible sheath FS to a remotely located wire shaping device, in particular a spring forming device 208, comprising forming tools (210), a pitch control tool (212) and a cutter (214). The forming tools (210) and the pitch control tool (212) form the wire into a spring S, which is cut from the supply of wire when it is complete. The tools (210, 212) and cutter (214) are controlled remotely from a control station (220) via a bundle of flexible control cables (222), which may include a power cable. The spring forming device 208 is mounted on a positioning member (224), such as a robot arm or moveable table, configured for three-dimensional movement, and/or optionally adjustments in inclination. Without the heavy plate (216) and rollers (205, 206), the spring forming device (208) is sufficiently light in weight and compact as to be moved by the positioning member (224) to a location in which springs are to be used, thereby avoiding the need for transportation apparatus to convey the springs from the place where they are formed to the place where they are to be used.
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公开(公告)号：US20190039118A1
公开(公告)日：2019-02-07
申请号：US16072742
申请日：2016-02-03
申请人： Spühl GmbH
发明人： Roland KELLER
摘要： A coil spring winding apparatus (1) comprises a stator and a rotor (10) which is supported on the stator so as to be rotatable about a rotation axis (13). The rotation axis (13) extends along a spring axis of a coil spring wound by the coil spring winding apparatus. At least one winding tool (21, 22) is supported on the rotor (10) so as to rotate about the rotation axis (13) of the rotor (10) upon rotation of the rotor (10). The at least one winding tool (21, 22) is configured to bend a wire (8) to form the coil spring upon rotation of the rotor (10). The at least one winding tool (21, 22) is adjustable relative to the rotor (10).
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公开(公告)号：US20170360213A1
公开(公告)日：2017-12-21
申请号：US15534611
申请日：2015-12-09
CPC分类号： A47C27/064 , B21F23/007 , B21F27/16 , B21F33/04 , B21F35/003 , B23P19/008 , B23P19/12 , B23P21/006 , B68G9/00 , F16F3/04 , Y10T29/49613 , Y10T29/53383
摘要： An exemplary embodiment provides a method of manufacturing a string of pocketed spring coils comprising: simultaneously making at least two spring coils; simultaneously transporting the at least two spring coils to a compressor: simultaneously compressing the at least two spring coils; simultaneously inserting the at least two compressed spring coils between top and bottom plies of a piece of fabric; welding the top and bottom plies of the fabric along an edge of the folded fabric parallel to the longitudinal axis of the fabric and opposite the folded edge of the fabric; welding the top and bottom plies of the fabric along lines transverse to the longitudinal axis of the fabric between each of the compressed spring coils to create a plurality of pockets, each pocket encompassing a compressed spring coil; and expanding each of the compressed spring coils within each of the plurality of pockets.
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公开(公告)号：US09700932B2
公开(公告)日：2017-07-11
申请号：US14712243
申请日：2015-05-14
发明人： Ching-Fa Yang
摘要： A wire-forming mechanism for spring making machine includes a base frame with two first sliding rail sets, and two wire-forming assemblies for independently performing a two-dimensional action. Each wire-forming assembly includes a movable base panel slidably mounted on one respective first sliding rail set and providing a second sliding rail set that extends in a perpendicular manner relative to the first sliding rail sets, a tool panel slidably mounted on the second sliding rail set and providing an L-shaped tool mount, one or multiple tools selectively mounted in the L-shaped tool mount, and two driving mechanisms for moving the movable base panel along one respective first sliding rail set and the tool panel along the second sliding rail set respectively.
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