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| | <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLiabilityNoncurrent_f17706f6-2d0a-4447-9d07-ff7403da8368" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OperatingLeaseLiabilityNoncurrent"/> |
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| | <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityNoncurrent_3cdf51a1-31d0-462b-8091-62433ca3be96" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FinanceLeaseLiabilityNoncurrent"/> |
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| | <link:loc xlink:type="locator" xlink:label="loc_pkoh_LeaseRightOfUseAsset_7a3d19ee-713f-4bac-95d9-d12ee45fce29" xlink:href="pkoh-20201231.xsd#pkoh_LeaseRightOfUseAsset"/> |
| | <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseRightOfUseAsset_35234af0-800c-4b1a-a7b3-3e233b5f8389" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OperatingLeaseRightOfUseAsset"/> |
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| | <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseRightOfUseAsset_2430c6df-353e-405b-9505-c7de82fadbb9" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FinanceLeaseRightOfUseAsset"/> |
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| | <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseRightOfUseAssetAmortization_82fdd223-a8a4-4d01-acb6-2897eb1f651c" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FinanceLeaseRightOfUseAssetAmortization"/> |
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| | <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShortTermLeaseCost_f7499188-22f0-48b3-a795-b72ee38bdcf0" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ShortTermLeaseCost"/> |
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