Patent US2997327A successfully refreshed from Google Patents.
Patent US3751203A successfully refreshed from Google Patents.
US3751203A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for injection molding
Assignee: Individual
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Filing: 1971-06-25
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Granted: 1973-08-07
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Expires: 1991-06-25
Abstract
Abstract An injection molding apparatus including a clamping unit, a supporting frame and a driving device for pivoting the supporting frame and the clamping unit engaged therewith, wherein in one embodiment the supporting frame includes a clamping unit stabilizing arm and in another embodiment a part of the clamping unit is utilized as a stabilizing arm, and wherein in one embodiment the driving device is a hydraulic type actuator and in another embodiment the driving device is a manually actuatable spindle.
Inventors
- 👤 K Hehl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 02:30
CPC Classifications
B; B29; B29C; B29C45/00; B29C45/03; B29C45/10
Claims Analysis
Total Claims: 34
Claim 1
Independent Claim
275 words
Apparatus for injection molding, comprising in combination: a. a base; b. a mold clamping unit including a stationary member, a movable member and means connecting said members; c. support means for carrying said members and securing them to said base, said support means including 1. a pivot portion for connecting said support means to said base for pivotal movement relative thereto about an axis thereof; 2. parallel side members extending from said pivot portion on either side thereof, said side members including means for abutting said base at least at one point spaced from said axis; that portion of each side member that is disposed on one side of said pivot portion constitutes a stabilizing arm supporting said movable member; 3. guide means provided on and along said members, said guide means including grooves; said stationary member engaging said grooves on one side of said pivot portion; said movable member slidably engaging said grooves on the other side of said pivot portion; said support means being symmetrical on both sides of said pivot portion with respect to said grooves, so that said stationary member is engageable with side members on either side of said pivot portion; d. drive means connected to said base and said supporting means for pivoting said supporting means about said axis in one direction so that said means for abutting engages said base at said at least one point; and e. two pairs of connecting means on each side of said pivot portion for the connection of said drive means in the two possible positions of said stationary member; said two pairs of connecting means forming part of said support means.
Claim 2
Dependent Claim
275 words
Apparatus for injection molding, comprising in combination: a. a base; b. a mold clamping unit including a stationary member, a movable member and means connecting said members; c. support means for carrying said members and securing them to said base, said support means including 1. a pivot portion for connecting said support means to said base for pivotal movement relative thereto about an axis thereof; 2. parallel side members extending from said pivot portion on either side thereof, said side members including means for abutting said base at least at one point spaced from said axis; that portion of each side member that is disposed on one side of said pivot portion constitutes a stabilizing arm supporting said movable member; 3. guide means provided on and along said members, said guide means including grooves; said stationary member engaging said grooves on one side of said pivot portion; said movable member slidably engaging said grooves on the other side of said pivot portion; said support means being symmetrical on both sides of said pivot portion with respect to said grooves, so that said stationary member is engageable with side members on either side of said pivot portion; d. drive means connected to said base and said supporting means for pivoting said supporting means about said axis in one direction so that said means for abutting engages said base at said at least one point; and e. two pairs of connecting means on each side of said pivot portion for the connection of said drive means in the two possible positions of said stationary member; said two pairs of connecting means forming part of said support means.
Claim 3
Dependent Claim
54 words
parallel side members extending from said pivot portion on either side thereof, said side members including means for abutting said base at least at one point spaced from said axis; that portion of each side member that is disposed on one side of said pivot portion constitutes a stabilizing arm supporting said movable member;
Claim 4
Dependent Claim
54 words
parallel side members extending from said pivot portion on either side thereof, said side members including means for abutting said base at least at one point spaced from said axis; that portion of each side member that is disposed on one side of said pivot portion constitutes a stabilizing arm supporting said movable member;
Claim 5
Dependent Claim
82 words
Apparatus for injection molding, comprising in combination: a. a base having an outline obtained by vertical projection; b. a mold clamping unit including a stationary member, a movable member and means connecting said members; c. pivot means attached to said base; d. arm means swingable about said pivot means in a substantially vertical plane to selectively assume a first, or substantially horizontal position and a second position disposed at least about 90* with respect to said first position, said arm means having
Claim 6
Dependent Claim
82 words
Apparatus for injection molding, comprising in combination: a. a base having an outline obtained by vertical projection; b. a mold clamping unit including a stationary member, a movable member and means connecting said members; c. pivot means attached to said base; d. arm means swingable about said pivot means in a substantially vertical plane to selectively assume a first, or substantially horizontal position and a second position disposed at least about 90* with respect to said first position, said arm means having
Claim 7
Dependent Claim
116 words
a second element, constituting a stabilizing arm, at least a major part of which extending from said pivot means in a second direction that is opposite to said first direction; said major part of said second element being located externally of said outline in said first position of said arm means; said movable member supported by and travelling along said second element during operation of said apparatus; e. guide means provided on said second element of said arm means to cooperate with said movable member for guiding the latter in its travel; and f. abutment means on said major part of said second element to engage said base in said second position of said arm means.
Claim 8
Dependent Claim
116 words
a second element, constituting a stabilizing arm, at least a major part of which extending from said pivot means in a second direction that is opposite to said first direction; said major part of said second element being located externally of said outline in said first position of said arm means; said movable member supported by and travelling along said second element during operation of said apparatus; e. guide means provided on said second element of said arm means to cooperate with said movable member for guiding the latter in its travel; and f. abutment means on said major part of said second element to engage said base in said second position of said arm means.
Claim 9
Dependent Claim
54 words
parallel side members extending from said pivot portion on either side thereof, said side members including means for abutting said base at least at one point spaced from said axis; that portion of each side member that is disposed on one side of said pivot portion constitutes a stabilizing arm supporting said movable member;
Claim 10
Dependent Claim
54 words
parallel side members extending from said pivot portion on either side thereof, said side members including means for abutting said base at least at one point spaced from said axis; that portion of each side member that is disposed on one side of said pivot portion constitutes a stabilizing arm supporting said movable member;
Claim 11
Dependent Claim
56 words
guide means provided on and along said side members, said guide means including grooves; said stationary member engaging said grooves on one side of said pivot portion; said movable member slidably engaging said grooves on the other side of said pivot portion; and d. means for longitudinally adjustably immobilizing said stationary member on said side members.
Claim 12
Dependent Claim
56 words
guide means provided on and along said side members, said guide means including grooves; said stationary member engaging said grooves on one side of said pivot portion; said movable member slidably engaging said grooves on the other side of said pivot portion; and d. means for longitudinally adjustably immobilizing said stationary member on said side members.
Claim 13
Dependent Claim
26 words
An injection molding apparatus as defined in claim 2, further comprising means for adjustably immobilizing said stationary member along said first portions of said arm means.
Claim 14
Dependent Claim
154 words
guide means provided on and along said members, said guide means including grooves; said stationary member engaging said grooves on one side of said pivot portion; said movable member slidably engaging said grooves on the other side of said pivot portion; said support means being symmetrical on both sides of said pivot portion with respect to said grooves, so that said stationary member is engageable with side members on either side of said pivot portion; d. drive means connected to said base and said supporting means for pivoting said supporting means about said axis in one direction so that said means for abutting engages said base at said at least one point; and e. two pairs of connecting means on each side of said pivot portion for the connection of said drive means in the two possible positions of said stationary member; said two pairs of connecting means forming part of said support means.
Claim 15
Dependent Claim
154 words
guide means provided on and along said members, said guide means including grooves; said stationary member engaging said grooves on one side of said pivot portion; said movable member slidably engaging said grooves on the other side of said pivot portion; said support means being symmetrical on both sides of said pivot portion with respect to said grooves, so that said stationary member is engageable with side members on either side of said pivot portion; d. drive means connected to said base and said supporting means for pivoting said supporting means about said axis in one direction so that said means for abutting engages said base at said at least one point; and e. two pairs of connecting means on each side of said pivot portion for the connection of said drive means in the two possible positions of said stationary member; said two pairs of connecting means forming part of said support means.
Claim 16
Dependent Claim
22 words
An injection molding apparatus as defined in claim 2, wherein said arm means are formed of a plurality of parallel spaced arms.
Claim 17
Dependent Claim
20 words
An apparatus for injection molding as defined in claim 2, wherein said stabilizing arm is part of said stationary member.
Claim 18
Dependent Claim
92 words
An injection molding apparatus as defined in claim 5, furtheR comprising a toggle lever having a pivot portion and two arms; said pivot portion constituting said pivot means; one arm of said toggle lever constituting said first element of said arm means; the other arm of said toggle lever constituting an additional stabilizing arm disposed substantially normal to said second element of said arm means, said additional stabilizing arm, when said clamping unit is vertically oriented with respect to said base, abuts with a free end thereof a portion of said base.
Claim 19
Dependent Claim
60 words
An injection molding apparatus as defined in claim 6 wherein an adjusting spindle engages said other arm of said toggle lever and said base, said other arm and said base including separate pivot pins for engaging an adjusting spindle, said adjusting spindle is inclined when engaged with said pins at an angle relative to the vertical axis of said base.
Claim 20
Dependent Claim
25 words
An injection molding apparatus as defined in claim 7, wherein said separate pivot pins are disposed approximately at the same distance from said pivot means.
Claim 21
Dependent Claim
85 words
An injection molding apparatus as defined in claim 2, wherein said arms means further comprises a pivot arm which branches off at an angle in the area of the pivot means, said pivot arm including means at its free end for engaging one end of a setting spindle, the other end of said setting spindle including means for engaging said base, both of said means for engaging adapted so that actuation of said spindle means causes said arm means to pivot at said pivot means.
Claim 22
Dependent Claim
29 words
An injection molding apparatus as defined in claim 9 wherein the free end of said pivot arm and the base both include pivot pins for engaging said threaded spindle.
Claim 23
Dependent Claim
41 words
An injection molding apparatus as defined in claim 2, wherein the movable member includes engaging means provided with guide rollers moving on hardened guide rails fastened to said second element of said arm means, said guide rails constituting said guide means.
Claim 24
Dependent Claim
44 words
Apparatus for injection molding, comprising in combination: a. a base; b. a mold clamping unit including a stationary member, a movable member and means connecting said members; c. support means for carrying said members and securing them to said base, said support means incuding
Claim 25
Dependent Claim
44 words
Apparatus for injection molding, comprising in combination: a. a base; b. a mold clamping unit including a stationary member, a movable member and means connecting said members; c. support means for carrying said members and securing them to said base, said support means incuding
Claim 26
Dependent Claim
58 words
An injection molding apparatus as defined in claim 12, wherein the parallel side members engaging the stationary member extend from said pivot portion in the direction toward an injection unit coaxially connected with said stationary member, and the parallel side members engaging the movable member extend from said pivot portion in the direction away from the injection unit.
Claim 27
Dependent Claim
31 words
An injection molding apparatus as defined in claim 12, wherein the grooves in the parallel side members which engage the stationary member are formed by angled extensions of the side members.
Claim 28
Dependent Claim
35 words
An injection molding apparatus as defined in claim 12, wherein the guide grooves of each pair of parallel side members are adapted so that said stationary member is engageable with either pair of side members.
Claim 29
Dependent Claim
28 words
An injection molding apparatus as defined in claim 15, wherein the supporting means is symmetrical on both sides of said pivot portion with respecT to said guide grooves.
Claim 30
Dependent Claim
53 words
An injection molding apparatus as defined in claim 16 including a pivot pin connecting said pivot portion to said base, said pivot pin can be withdrawn from its connection with the base so that the supporting frame can be rotated through 180* and then reinserted to connect the supporting frame to the base.
Claim 31
Dependent Claim
55 words
An injection molding apparatus as defined in claim 16, wherein said support means further includes two pairs of connecting elements one on each side of said pivot portion for connection of an injection unit operating into the separating groove of a mold supported by said clamping unit in both possible positions of said stationary member.
Claim 32
Dependent Claim
19 words
An injection molding apparatus as defined in claim 12, wherein said support means is formed by a frame structure.
Claim 33
Dependent Claim
179 words
Apparatus for injection molding, comprising in combination: a. a base; b. a mold clamping unit including a stationary member and a movable member and means connecting said members; c. means for supporting said members so that said movable member can be disposed relative to said stationary member; d. means for connecting said supporting means to said base for pivotal movement relative thereto about an axis thereof; e. stabilizing means connected to said supporting means for stabilizing said clamping unit, said stabilizing means including means for abutting said base at at least one point which is disposed at a distance from said axis; and f. drive means connected to said base and said supporting means for pivoting said supporting means about said axis in one direction so that said means for abutting engages said base at said at least one point; said drive means including actuator means mounted on said base at an inclined angle relative to the vertical axis of said base; said actuator means having a threaded spindle and a hydraulic motor drivingly connected to said threaded spindle.
Claim 34
Dependent Claim
179 words
Apparatus for injection molding, comprising in combination: a. a base; b. a mold clamping unit including a stationary member and a movable member and means connecting said members; c. means for supporting said members so that said movable member can be disposed relative to said stationary member; d. means for connecting said supporting means to said base for pivotal movement relative thereto about an axis thereof; e. stabilizing means connected to said supporting means for stabilizing said clamping unit, said stabilizing means including means for abutting said base at at least one point which is disposed at a distance from said axis; and f. drive means connected to said base and said supporting means for pivoting said supporting means about said axis in one direction so that said means for abutting engages said base at said at least one point; said drive means including actuator means mounted on said base at an inclined angle relative to the vertical axis of said base; said actuator means having a threaded spindle and a hydraulic motor drivingly connected to said threaded spindle.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-08-06 | 1977-02-05 | 1977-08-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-08-06 | 1981-02-05 | 1981-08-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-08-06 | 1985-02-05 | 1985-08-07 | $7700.00 | Window Closed / Lapsed |