{
  "abstract": "Drawing sheets for manual vacuum producing system having pressure indicator, reproduced from the published facsimile. The written description is in the original document, which is linked above.",
  "canonical_url": "https://opentechnical.org/p/OT-2026-000003207",
  "categories": [
    "lifting-positioning-manipulation/vacuum-lifting"
  ],
  "extent": {
    "figures": 0,
    "paragraphs": 9,
    "words": 45
  },
  "figures": [],
  "files": [
    {
      "bytes": 24518,
      "media_type": "image/webp",
      "name": "figures/fig-001-card.webp",
      "sha256": "94b8817e90200df9ede2bc799050dce6015c24339d71240ce4a2ce931b8d5cb8"
    },
    {
      "bytes": 49286,
      "media_type": "image/webp",
      "name": "figures/fig-001-full.webp",
      "sha256": "cdd51bd92b414ec0858ee932a146f38cd7a5ec9aae6712a18ef26937c3d9a32c"
    },
    {
      "bytes": 7270,
      "media_type": "image/webp",
      "name": "figures/fig-001-thumb.webp",
      "sha256": "7151f2f9cd82632fe0473847a47a6a15f58d0222dba91141785c5171bd0bd419"
    },
    {
      "bytes": 17582,
      "media_type": "image/webp",
      "name": "figures/fig-002-card.webp",
      "sha256": "a6c4d946d0f9c6e9d938d2212451efcfb334e3ed388cddff300f850357170cc2"
    },
    {
      "bytes": 34638,
      "media_type": "image/webp",
      "name": "figures/fig-002-full.webp",
      "sha256": "7136161e2ab0bf1b3888fcb83feaf2a24b1b0dfa31741bcc700c997b016bd207"
    },
    {
      "bytes": 5156,
      "media_type": "image/webp",
      "name": "figures/fig-002-thumb.webp",
      "sha256": "280a69ad078bbf3ef3e3517bfcdc1278859936c56f247e097cbda7f6d22a1711"
    },
    {
      "bytes": 15352,
      "media_type": "image/webp",
      "name": "figures/fig-003-card.webp",
      "sha256": "907cfe767a20898cf20607756c8f3890794a64c9a308ba746132ba8b52d4ad9b"
    },
    {
      "bytes": 31080,
      "media_type": "image/webp",
      "name": "figures/fig-003-full.webp",
      "sha256": "4b01b64cf440f5382c8c0d3b535e21e7d21b0c2d52296562f49f81c283f8cb5d"
    },
    {
      "bytes": 4768,
      "media_type": "image/webp",
      "name": "figures/fig-003-thumb.webp",
      "sha256": "319ef3923d8b7bc9e7b3685c6ebe0862ba0bb904410ccb3765414c5a6ec4f6b6"
    },
    {
      "bytes": 30604,
      "media_type": "image/webp",
      "name": "figures/fig-004-card.webp",
      "sha256": "955e924d7dffb490198b68e70a0e149693d001780d9719ff8897ac78358386d9"
    },
    {
      "bytes": 61728,
      "media_type": "image/webp",
      "name": "figures/fig-004-full.webp",
      "sha256": "5bf8b8fbacdf33e98665a95d79daf231e431ddf52c016fb48334dd1f63ef527c"
    },
    {
      "bytes": 8312,
      "media_type": "image/webp",
      "name": "figures/fig-004-thumb.webp",
      "sha256": "39893b723a65ce807ebc2dba922c2beea56479e780a3617b1de6413d4782a92f"
    },
    {
      "bytes": 18224,
      "media_type": "image/webp",
      "name": "figures/fig-005-card.webp",
      "sha256": "d391b8d5bbc3b72032f9ceac9d17158429ce8b4504633ad4be827f2dfd3ad4aa"
    },
    {
      "bytes": 35582,
      "media_type": "image/webp",
      "name": "figures/fig-005-full.webp",
      "sha256": "9c633c450ccb18cebdcd708efd02f4c1609a613996f120140205a3c8b9fc09b5"
    },
    {
      "bytes": 6156,
      "media_type": "image/webp",
      "name": "figures/fig-005-thumb.webp",
      "sha256": "f0e899d9050648203f7105f154e66fb69b209a34df61853396f007fbb9da0ad9"
    },
    {
      "bytes": 46884,
      "media_type": "image/webp",
      "name": "figures/fig-006-card.webp",
      "sha256": "1151807dff40c0c1239e8b3cad7cc0fcf25ea7d97f2f889658ba69e46045786e"
    },
    {
      "bytes": 91788,
      "media_type": "image/webp",
      "name": "figures/fig-006-full.webp",
      "sha256": "c32dd8b97235b06d0bb73c1f9b05ed1b995f8eb72dbe6098b7b7653960a4b509"
    },
    {
      "bytes": 13936,
      "media_type": "image/webp",
      "name": "figures/fig-006-thumb.webp",
      "sha256": "c97a7bdea2622defe4c9573727b001bdeb73db1cfba12a0c0d935dd2a3a41ac3"
    },
    {
      "bytes": 22306,
      "media_type": "image/webp",
      "name": "figures/fig-007-card.webp",
      "sha256": "b7850adf9737551885a5f91f6f555b8b583afc92d5f02de84f2941bfd53f17ba"
    },
    {
      "bytes": 43476,
      "media_type": "image/webp",
      "name": "figures/fig-007-full.webp",
      "sha256": "5ca05b06801a42fb98ac0c6e8ea6786b4ff7fc7c36469cec8ab4a7d851243aac"
    },
    {
      "bytes": 7466,
      "media_type": "image/webp",
      "name": "figures/fig-007-thumb.webp",
      "sha256": "8faa580cbe511d342e01d22b8ee2ac68660fe67f29fb7e24ef4f7994991db23e"
    },
    {
      "bytes": 46338,
      "media_type": "image/webp",
      "name": "figures/fig-008-card.webp",
      "sha256": "fd9a6e567dd5b4fcd1fcb7ff90642285949b66dc94887e3b1ee975f6420da786"
    },
    {
      "bytes": 88676,
      "media_type": "image/webp",
      "name": "figures/fig-008-full.webp",
      "sha256": "6f97846eeeeac7c092cf441cc97636577514f8da460c4c2d2cb92e0ca9b2710e"
    },
    {
      "bytes": 14860,
      "media_type": "image/webp",
      "name": "figures/fig-008-thumb.webp",
      "sha256": "6c0c0cd7d8d8bb7bd130eeaee64ea2e5148f141437e31e2ba24b614752bad332"
    },
    {
      "bytes": 24834,
      "media_type": "image/webp",
      "name": "figures/fig-009-card.webp",
      "sha256": "b5e3a5f148640d37c0277a95f8af0fb1d8d2ea64064e69ba6e651c51631b41dc"
    },
    {
      "bytes": 48678,
      "media_type": "image/webp",
      "name": "figures/fig-009-full.webp",
      "sha256": "17ab5d743febc72080d86bc2fbea68dc73d95a5ef72ef75a0364e13105f781a1"
    },
    {
      "bytes": 8532,
      "media_type": "image/webp",
      "name": "figures/fig-009-thumb.webp",
      "sha256": "80f5f9e525224d34dd8a0ce2437ea965795ba5e482498e2b702cc82285283a93"
    },
    {
      "bytes": 14041,
      "media_type": "text/html; charset=utf-8",
      "name": "index.html",
      "sha256": "70105f430816827a9740991c845e52a9e21aa627381726eef6db6e6ce8e3bfa2"
    },
    {
      "bytes": 838,
      "media_type": "text/markdown; charset=utf-8",
      "name": "publication.md",
      "sha256": "9abef8568e9f850919605bbf098b0175ee2aaee2f86e7486641a80340c706329"
    },
    {
      "bytes": 916,
      "media_type": "text/plain; charset=utf-8",
      "name": "publication.txt",
      "sha256": "fd4c7bce56170675f533c071949439879488f146f1c88923b4ee82807ca05d0b"
    }
  ],
  "integrity": {
    "hash_algorithm": "sha256",
    "keys_url": "https://opentechnical.org/integrity/keys",
    "record_url": "https://opentechnical.org/p/OT-2026-000003207/integrity",
    "signature_algorithm": "Ed25519",
    "signature_file": "manifest.sig",
    "verify_url": "https://opentechnical.org/integrity/verify"
  },
  "keywords": [
    "f04b39/0016",
    "a61b17/8827",
    "a61f2002/4685",
    "b01f2101/20",
    "b01f33/5011",
    "f04b33/00"
  ],
  "language": "en",
  "license": {
    "name": "Creative Commons Attribution 4.0 International",
    "url": "https://creativecommons.org/licenses/by/4.0/"
  },
  "publication_id": "OT-2026-000003207",
  "published_at": "2026-09-15T19:49:30.080631Z",
  "publisher": "Nebula Innovations Limited",
  "record_type": "figure_set",
  "schema": "opentechnical-publication-manifest/1.0",
  "source_date": "1998-08-04",
  "source_id": "US-5788463-A",
  "source_name": "the United States Patent and Trademark Office",
  "source_note": "drawings reproduced from the published facsimile",
  "source_url": "https://patents.google.com/patent/US5788463A",
  "supersedes": null,
  "title": "Manual vacuum producing system having pressure indicator",
  "uuid": "01a0a69e-0960-75aa-b89b-2b7e901255a2"
}