Patent US4545757A successfully refreshed from Google Patents.
US4545757A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Injection molding machines
Assignee: INDUSTRIAS ROMI S/A
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Filing: 1984-03-09
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Granted: 1985-10-08
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Expires: 2004-03-09
Abstract
Abstract An injection molding machine including articulating components including a movable cross arm, a set of actuator components for moving the movable cross arm, a central rod having an end and guiding the movable cross arm, a support plate attached to the end of the central rod, extraction components including exclusive guideways and a part extracting plate resting and slidable on the exclusive guideways, and another set of actuator components supported by the support plate which also supports the extraction components.
Inventors
- 👤 Romeu Romi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 07:44
CPC Classifications
B; B29; B29C; B29C45/00; B29C45/17; B29C45/40; B29C45/4005; B29C45/64; B29C45/68; B29C45/681; Y; Y10; Y10S; Y10S425/00; Y10S425/221
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
76 words
An injection molding machine, comprising: articulating means including a movable cross arm; first actuator means for moving said movable cross arm; a central rod having an end and guiding said movable cross arm; a support plate attached to said end of said central rod; extraction means including exclusive guideways and a part extracting plate resting and slidable on said exclusive guideways; and second actuator means supported by said support plate which also supports said extraction means.
Claim 2
Dependent Claim
76 words
An injection molding machine, comprising: articulating means including a movable cross arm; first actuator means for moving said movable cross arm; a central rod having an end and guiding said movable cross arm; a support plate attached to said end of said central rod; extraction means including exclusive guideways and a part extracting plate resting and slidable on said exclusive guideways; and second actuator means supported by said support plate which also supports said extraction means.
Claim 3
Dependent Claim
17 words
The machine as defined in claim 1, wherein said first and second actuator means include hydraulic actuators.
Claim 4
Dependent Claim
16 words
The machine as defined in claim 2, wherein said first actuator means includes two hydraulic actuators.
Claim 5
Dependent Claim
48 words
The machine as defined in claim 3, wherein said two hydraulic actuators of said first actuator means are disposed close and parallel to said central rod and said central rod has a geometric axis from which said two hydraulic actuators of said first actuator means are equally spaced.
Claim 6
Dependent Claim
34 words
The machine as defined in claim 3, wherein each of said two hydraulic actuators of said first actuator means includes a hydraulic cylinder and a piston having an elongated rod with a fixing terminal.
Claim 7
Dependent Claim
44 words
The machine as defined in claim 1, wherein said central rod has a geometric axis and said movable cross arm has two lateral edges disposed one at each side with respect to a vertical plane passing through said geometric axis of said central rod.
Claim 8
Dependent Claim
56 words
The machine as defined in claim 6; further comprising hydraulic cylinders each of which are connected to said rear stationary plate, and pistons each of which has an elongated rod with a fixing terminal, said movable cross arm of said first actuator means having each lateral edges attached to said fixing terminal of said elongated rod.
Claim 9
Dependent Claim
35 words
The machine as defined in claim 7; further comprising a bushing disposed in a rear stationary plate and said central rod having another end being freely supported in said bushing of said rear stationary plate.
Claim 10
Dependent Claim
74 words
The machine as defined in claim 1; further comprising a movable mold plate, said extractor means including a support plate and hydraulic actuators, said exclusive guideways displacing said part extracting plate and having a first and a second side, and said exclusive guideways attaching on said first side to said movable mold plate and on said second side to said support plate supporting said hydraulic actuators of said extractor means and said central rod.
References Cited (Backward Citations)
US2244123A
Cited
US2334372A
Cited
US2371547A
Cited
US2395100A
Cited
US2485290A
Cited
US2496344A
Cited
US2792592A
Cited
US3161918A
Cited
US3359598A
Cited
US3418684A
Cited
US3448488A
Cited
US3726625A
Cited
US3854856A
Cited
US4047871A
Cited
US4022565A
Cited
US4088432A
Cited
US4389183A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1988-10-07 | 1989-04-08 | 1989-10-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1992-10-07 | 1993-04-08 | 1993-10-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1996-10-07 | 1997-04-08 | 1997-10-08 | $7700.00 | Window Closed / Lapsed |