EP0164419A1
Expired / Lapsed
EP
⏱️ 0.0 years remaining
Mold clamping apparatus
Assignee: Fanuc Corp
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Filing: 1984-11-20
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Granted: —
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Expires: 2004-11-20
Abstract
Abstract A mold clamping apparatus used in an injection molding machine which clamps a mold by means of a toggle mechanism employs a servo motor as a drive source for driving the toggle mechanism, to drive and control the mold clamping operation.
Inventors
- 👤 Yasushi Dai3Shataku 1205 Marubikishi Ishikawa
- 👤 Takeshi Dai2Shataku 1185-3 Marubikishi Hukuroi
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-06 04:15
CPC Classifications
B; B29; B29C; B29C45/00; B29C45/17; B29C45/64; B29C45/66; B29C45/661; B29C45/68; B29C45/681
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
57 words
A lock in an injection molding apparatus for causing a toggle mechism to lock molds, comprising a servo motor and a transmission mechanism having a screw and a nut mechanism for converting a rotational force of said servo motor to a linear force, said toggle mechanism being driven in accordance with an output from said transmission mechanism.
Claim 2
Dependent Claim
57 words
A lock in an injection molding apparatus for causing a toggle mechism to lock molds, comprising a servo motor and a transmission mechanism having a screw and a nut mechanism for converting a rotational force of said servo motor to a linear force, said toggle mechanism being driven in accordance with an output from said transmission mechanism.
Claim 3
Dependent Claim
38 words
A lock according to claim 1, wherein a very small current is flowed to said servo motor to hold links of said toggle mechanism straight when said links in said toggle mechanism are straightened to lock said molds.
Claim 4
Dependent Claim
18 words
A lock according to claim 1, wherein said servo motor comprises a servo motor with a brake mechanism.
Claim 5
Dependent Claim
20 words
A lock according to claim 1, 2 or 3, wherein said toggle mechanism comprises a double toggle type toggle mechanism.
Claim 6
Dependent Claim
20 words
A lock according to claim 1, 2 or 3, wherein said toggle mechanism comprises a single toggle type toggle mechanism.
References Cited (Backward Citations)
No citation records indexed.
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