US3868903A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Portable compacting apparatus
Assignee: ENVIRONMENTAL POLLUTION RES CO
•
Filing: 1973-03-02
•
Granted: 1975-03-04
•
Expires: 1993-03-02
Abstract
Abstract A portable, rollable container unit is adapted to be removably received in a portable, rollable power unit. The units have means for positively guiding the container unit into the power unit and a ram in the power unit is operable to compact material in the container unit. The apparatus includes means responsive to the container unit being fully received in the power unit for enabling the ram unit and for inhibiting operation of the ram unit when the container unit is not fully received in the power unit. The container has an openable wall door section and means is provided for inhibiting opening of the door section of the container when the container unit is received in the power unit.
Inventors
- 👤 Anthony P Montalbano
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 20:01
CPC Classifications
B; B30; B30B; B30B9/00; B30B9/30; B30B9/306; B30B9/3064; B30B9/3003; B30B9/3017
Claims Analysis
Total Claims: 84
Claim 1
Independent Claim
174 words
A portable compacting apparatus comprising: a portable, rollable power unit; and a portable, rollable container unit adapted to be removably received in said power unit; said power unit comprising: means for receiving said container unit in said power unit; a ram unit operable to compact material in said container unit when said container unit is received in said power unit; and said container unit comprising: means for guiding said container unit into said power unit; and a container for receiving material to be compacted, said container being in registration with said ram when said container unit is received in said power unit for compaction of said material; and at least one of said power unit and container unit including at least one resilient rotatable member having a non-yieldably mounted axle mounted thereon, said at least one resilient rotatable member being engagable with the other of said power and container units for facilitating reception of said container unit in said power unit, said resilient rotatable member yielding upon compacting of material in said container unit.
Claim 2
Dependent Claim
174 words
A portable compacting apparatus comprising: a portable, rollable power unit; and a portable, rollable container unit adapted to be removably received in said power unit; said power unit comprising: means for receiving said container unit in said power unit; a ram unit operable to compact material in said container unit when said container unit is received in said power unit; and said container unit comprising: means for guiding said container unit into said power unit; and a container for receiving material to be compacted, said container being in registration with said ram when said container unit is received in said power unit for compaction of said material; and at least one of said power unit and container unit including at least one resilient rotatable member having a non-yieldably mounted axle mounted thereon, said at least one resilient rotatable member being engagable with the other of said power and container units for facilitating reception of said container unit in said power unit, said resilient rotatable member yielding upon compacting of material in said container unit.
Claim 3
Dependent Claim
25 words
Apparatus according to claim 1 wherein said receiving means of said power unit includes an elongated channel member for guiding and receiving said container unit.
Claim 4
Dependent Claim
34 words
Apparatus according to claim 2 comprising horizontally oriented rollable guide means on at least one of said power and container units for guiding said container unit in said channel unit of said power unit.
Claim 5
Dependent Claim
62 words
Apparatus according to claim 1 wherein said container unit includes at least one resilient rotatable member with a non-yieldably mounted axle mounted thereon, said resilient rotatable member being engageable with said power unit and providing clearance between said power unit and container unit when compaction is not taking place, said resilient rotatable member yielding upon compacting of material in said container unit.
Claim 6
Dependent Claim
47 words
Apparatus according to claim 4 wherein said power unit includes a lower plate member and wherein said resilient rotatable member of said container unit engages said lower plate member, said container unit being supported on said lower plate member during compaction of material by said ram unit.
Claim 7
Dependent Claim
87 words
Apparatus according to claim 4 wherein said resilient rotatable member is mounted on the rear wall of said container unit; and wherein said power unit Includes a recess for receiving said resilient rotatable member; and switch means in said recess and coupled to said ram unit, said switch means being responsive to said container unit being fully received in said power unit for enabling said ram unit and for inhibiting operation of said ram unit when said container unit is not fully received in said power unit.
Claim 8
Dependent Claim
36 words
Apparatus according to claim 1 wherein said power unit includes at least one resilient rotatable member on the lower surface of said power unit, said rotatable member yielding upon compaction of material by said ram unit.
Claim 9
Dependent Claim
85 words
Apparatus according to claim 1 wherein said container has a releasable wall section and includes a locking means for selectively inhibiting releasing of said releasable wall section, said locking means including means on the lower surface of said container unit and extending up above the outside lower edge of said releasable wall section of said container unit, and wherein said container unit includes means for lifting said wall section above said locking means to enable said wall section to be moved over said locking means.
Claim 10
Dependent Claim
49 words
Apparatus according to claim 8 wherein said locking means includes a horizontally extending member projecting along substantially the whole length of said wall section, said wall section riding on said horizontally extending locking means during releasing of said wall section, said horizontally extending means serving as a bearing surface.
Claim 11
Dependent Claim
30 words
Apparatus according to claim 8 wherein said wall section is hingedly connected to said container and said hinge includes means for allowing said wall section to be substantially vertically movable.
Claim 12
Dependent Claim
30 words
Apparatus according to claim 8 wherein said locking means comprises secondary locking means, and wherein said container comprises primary locking means for locking said wall section in the closed position.
Claim 13
Dependent Claim
31 words
Apparatus according to claim 8 wherein said wall section is a door section and comprising pedal means coupled to said door section for raising said door section to enable releasing thereof.
Claim 14
Dependent Claim
35 words
Apparatus according to claim 12 wherein said pedal means includes a pedal operated lever pivotally coupled to said door section and having a pivot point intermediate the foot operated portion and pivotally connected portion thereof.
Claim 15
Dependent Claim
53 words
Apparatus according to claim 1 wherein said container unit has a releasable wall section, and comprising means on said power unit engaging said wall section when said container unit is fully received in said power unit for inhibiting releasing of said wall section when said container unit is received in said power unit.
Claim 16
Dependent Claim
49 words
Apparatus according to claim 14 wherein said releasable wall section is upwardly movable and wherein engaging means on said power unit engages an upper horizontally extending surface of said wall section to prevent upward movement of said wall section when said container unit is received in said power unit.
Claim 17
Dependent Claim
17 words
Apparatus according to claim 1 comprising means for selectively fixing said power unit in a stationary position.
Claim 18
Dependent Claim
25 words
Apparatus according to claim 16 wherein said fixing means includes a foot operated means for selectively engaging the surface on which said power unit rolls.
Claim 19
Dependent Claim
47 words
Apparatus according to claim 1 wherein said ram unit includes a ram selectively driven in the vertical direction, and a pair of guide means centrally located on a pair of opposing sides of said ram and engaging said ram for guding said ram during vertical movement thereof.
Claim 20
Dependent Claim
63 words
Apparatus according to claim 1 wherein said ram unit includes: a ram; a plurality of elongated screw members located at respective spaced points around the periphery of said ram for selectively moving said ram in a vertical direction; and tiltable coupling means threadably engaging said elongated screw members with said ram for allowing tilting of said ram relative to said elongated screw members.
Claim 21
Dependent Claim
43 words
Apparatus according to claim 19 wherein said ram is suBstantially rectangular, and comprising four of said elongated screw members which are tiltaby and threadably engaged with said ram in the vicinity of the corners thereof by means of four respective tiltable coupling members.
Claim 22
Dependent Claim
16 words
Apparatus according to claim 20 wherein said elongated screw members are operated in tension during compaction.
Claim 23
Dependent Claim
26 words
Apparatus according to claim 19 wherein said tiltable coupling means includes a plurality of ball race nut members threadably engaging respective ones of said elongated members.
Claim 24
Dependent Claim
17 words
Apparatus according to claim 22 wherein said ball race nut members are tiltable relative to said ram.
Claim 25
Dependent Claim
21 words
Apparatus according to claim 19 wherein said tiltable coupling means includes a tiltable coupling member associated with each elongated screw member.
Claim 26
Dependent Claim
48 words
Apparatus according to claim 1 comprising means for releasably locking said container unit in said power unit including means selectively extending from said power unit, and receptacle means on said container unit for receiving said extending means when said container unit is fully received in said power unit.
Claim 27
Dependent Claim
15 words
Apparatus according to claim 25 wherein said extending means resiliently extends from said power unit.
Claim 28
Dependent Claim
37 words
Apparatus according to claim 26 comprising means on said container unit for engaging said resiliently extending means and for selectively causing said extending means to recede relative to said power unit so as to disengage said receptacle.
Claim 29
Dependent Claim
46 words
Apparatus according to claim 27 wherein said means for causing said extending means to recede includes a plate member on said container unit selectively engageable with said receptacle for engaging said extending means and for overlapping at least a portion of the opening of said receptacle.
Claim 30
Dependent Claim
18 words
Apparatus according to claim 28 wherein said means for engaging said extending means includes a foot operated mechanism.
Claim 31
Dependent Claim
42 words
Apparatus according to claim 29 wherein said foot operated mechanism includes an elongated member selectively engaging said extending means and slidably mounted to said container unit, and a foot operated lever pivotally mounted to said elongated member and to said container unit.
Claim 32
Dependent Claim
21 words
Apparatus according to claim 25 comprising an extending means and receptacle on each side of said power and container units respectively.
Claim 33
Dependent Claim
41 words
Apparatus according to claim 25 further comprising means for releasably locking said container unit in said power unit with said container unit partially removed from said power unit so as to expose said container to receive material to be compacted therein.
Claim 34
Dependent Claim
34 words
Apparatus according to claim 1 wherein said container unit includes means defining a container, a liner adapted to be removably inserted in said container with a bag interposed between said liner and said container.
Claim 35
Dependent Claim
16 words
Apparatus according to claim 33 wherein said liner extends above the upper edge of said container.
Claim 36
Dependent Claim
36 words
Apparatus according to claim 34 wherein said liner includes vertical slots therein, and wherein said ram includes a ram head having substantially horizontally extending supports which engage said slots during downward movement of said ram head.
Claim 37
Dependent Claim
27 words
Apparatus according to claim 34 wherein said liner has vertical slots therein on opposing walls thereof, said slots extending downward from the uppermost edge of said liner.
Claim 38
Dependent Claim
39 words
Apparatus according to claim 36 wherein said slots of said liner are dimensioned and located so as to engage an upper edge of said container with said liner in an inverted position for facilitating mounting of a bag thereover.
Claim 39
Dependent Claim
14 words
Apparatus according to claim 33 wherein said liner is made of a flexible material.
Claim 40
Dependent Claim
29 words
Apparatus according to claim 1 wherein said power unit includes means operable by said ram for dispensing a deodorant, or the like on the contents of said container unit.
Claim 41
Dependent Claim
14 words
Apparatus according to claim 1 wherein said container unit includes a cantilever mounted container.
Claim 42
Dependent Claim
40 words
Apparatus according to claim 1 wherein saiD ram unit includes a ram, means for selectively driving said ram in the vertical direction, and means responsive to the lowering of said ram for locking said container unit in said power unit.
Claim 43
Dependent Claim
62 words
Apparatus according to claim 41 wherein said locking means includes an elongated element coupled to said ram and being movable responsive to the lowering of said ram, and a locking bar pivotally coupled to said elongated member, said container unit having an engaging means for engaging said pivotally mounted bar when said elongated member is lowered responsive to lowering of said ram.
Claim 44
Dependent Claim
35 words
Apparatus according to claim 42 wherein said elongated member is biased in its lowered position, said ram, when reaching its upper position, engaging said elongated member to disengage said locking bar from said container unit.
Claim 45
Dependent Claim
69 words
Apparatus according to claim 1 wherein said ram unit includes a ram, means for selectively driving said ram in the vertical direction, said driving means including a ram-activated top limit switch for inhibiting driving of said ram, and a ram-activated reversing switch operable prior to said top limit switch for causing said driving means to reverse in direction to place said ram unit in condition for the next operation.
Claim 46
Dependent Claim
48 words
Apparatus according to claim 1 wherein said ram unit includes a ram, drive means for selectively driving said ram in the vertical direction, said drive means including a motor having a centrifugal switch which is operated when the speed of said motor is reduced below a predetermined speed.
Claim 47
Dependent Claim
15 words
Apparatus according to claim 1 wherein said resilient rotatable member is made of rubber-like material.
Claim 48
Dependent Claim
153 words
A portable compacting apparatus comprising: a portable, rollable power unit; and a portable, rollable container unit adapted to be removably received in said power unit; said power unit comprising: means for receiving said container unit in said power unit; and a ram unit operable to compact material in said container unit when said container unit is received in said power unit; and said container unit comprising: means for guiding said container unit into said power unit; and a container for receiving material to be compacted, said container being in registration with said ram when said container unit is received in said power unit for compaction of said material; and said power unit including at least one resilient rotatable member on the lower surface thereof for engaging said container unit for facilitating reception of said container unit in said power unit, said resilient rotatable member yielding upon compacting of material in said container unit.
Claim 49
Dependent Claim
153 words
A portable compacting apparatus comprising: a portable, rollable power unit; and a portable, rollable container unit adapted to be removably received in said power unit; said power unit comprising: means for receiving said container unit in said power unit; and a ram unit operable to compact material in said container unit when said container unit is received in said power unit; and said container unit comprising: means for guiding said container unit into said power unit; and a container for receiving material to be compacted, said container being in registration with said ram when said container unit is received in said power unit for compaction of said material; and said power unit including at least one resilient rotatable member on the lower surface thereof for engaging said container unit for facilitating reception of said container unit in said power unit, said resilient rotatable member yielding upon compacting of material in said container unit.
Claim 50
Dependent Claim
22 words
Apparatus according to claim 47 including a plurality of said resilient rotatable members mounted on the lower surface of said power unit.
Claim 51
Dependent Claim
15 words
Apparatus according to claim 47 wherein said resilient rotatable member is made of rubber-like material.
Claim 52
Dependent Claim
181 words
A portable compacting apparatus comprising: a portable, rollable power unit; and a portable, rollable container unit adapted to be removably received in said power unit; said power unit comprising: means for receiving said container unit in said power unit; a ram unit operable to compact material in said container unit when said container unit is received in said power unit; and said container unit comprising: means for guiding said container unit into said power unit; and a container for receiving material to be compacted and being in registration with said ram when said container unit is received in said power unit for compaction of said material, said container having a releasable wall section and a locking means for selectively inhibiting releasing of said releasable wall section, said locking means including means on the lower surface of said container unit and extending up above the outside lower edge of said releasable wall section of said container unit; and means for lifting said releasable wall section above said locKing means to enable said releasable wall section to be moved over said locking means.
Claim 53
Dependent Claim
181 words
A portable compacting apparatus comprising: a portable, rollable power unit; and a portable, rollable container unit adapted to be removably received in said power unit; said power unit comprising: means for receiving said container unit in said power unit; a ram unit operable to compact material in said container unit when said container unit is received in said power unit; and said container unit comprising: means for guiding said container unit into said power unit; and a container for receiving material to be compacted and being in registration with said ram when said container unit is received in said power unit for compaction of said material, said container having a releasable wall section and a locking means for selectively inhibiting releasing of said releasable wall section, said locking means including means on the lower surface of said container unit and extending up above the outside lower edge of said releasable wall section of said container unit; and means for lifting said releasable wall section above said locKing means to enable said releasable wall section to be moved over said locking means.
Claim 54
Dependent Claim
49 words
Apparatus according to claim 50 wherein said locking means includes a horizontally extending member projecting along substantially the whole length of said wall section, said wall section riding on said horizontally extending locking means during releasing of said wall section, said horizontally extending means serving as a bearing surface.
Claim 55
Dependent Claim
30 words
Apparatus according to claim 50 wherein said wall section is hingedly connected to said container and said hinge includes means for allowing said wall section to be substantially vertically movable.
Claim 56
Dependent Claim
37 words
Apparatus according to claim 50 including engaging means on said power unit engageable with said releasable wall section for inhibiting lifting of said releasable wall section when said container unit is fully received in said power unit.
Claim 57
Dependent Claim
49 words
Apparatus according to claim 53 wherein said wall section is a door section and said engaging means on said power unit engages an upper horizontally extending surface of said door section to prevent upward movement of said door section when said container unit is received in said power unit.
Claim 58
Dependent Claim
166 words
A portable compacting apparatus comprising: a portable, rollable power unit; and a portable, rollable container unit adapted to be removably received in said power unit; said power unit comprising: means for receiving said container unit in said power unit; a ram unit operable to compact material in said container unit when said container unit is received in said power unit; and said container unit comprising: means for guiding said container unit into said power unit; and a container for receiving material to be compacted and being in registration with said ram when said container unit is received in said power unit for compaction of said material, said container having a releasable wall section which is upwardly movable to release same; and means on said power unit engaging an upper horizontally extending surface of said wall section when said container unit is fully received in said power unit for preventing upward movement of said wall section when said container unit is fully received in said power unit.
Claim 59
Dependent Claim
166 words
A portable compacting apparatus comprising: a portable, rollable power unit; and a portable, rollable container unit adapted to be removably received in said power unit; said power unit comprising: means for receiving said container unit in said power unit; a ram unit operable to compact material in said container unit when said container unit is received in said power unit; and said container unit comprising: means for guiding said container unit into said power unit; and a container for receiving material to be compacted and being in registration with said ram when said container unit is received in said power unit for compaction of said material, said container having a releasable wall section which is upwardly movable to release same; and means on said power unit engaging an upper horizontally extending surface of said wall section when said container unit is fully received in said power unit for preventing upward movement of said wall section when said container unit is fully received in said power unit.
Claim 60
Dependent Claim
164 words
A portable compacting apparatus comprising: a portable, rollable power unit; and a portable, rollable container unit adapted to be removably received in said power unit; said power unit comprising: means for receiving said container unit in said power unit; a ram unit operable to compact material in said container unit when said container unit is received in said power unit; and said container unit comprising: means for guiding said container unit into said power unit; and a container for receiving material to be compacted, said container being in registration with said ram when said container unit is received in said power unit for compaction of said material; said ram unit including: a ram; a plurality of elongated screw members located at respective spaced points around the periphery of said ram for selectively moving said ram in a vertical direction; and tiltable coupling means threadably engaging said elongated screw members with said ram for allowing tilting of said ram relative to said elongated screw members.
Claim 61
Dependent Claim
164 words
A portable compacting apparatus comprising: a portable, rollable power unit; and a portable, rollable container unit adapted to be removably received in said power unit; said power unit comprising: means for receiving said container unit in said power unit; a ram unit operable to compact material in said container unit when said container unit is received in said power unit; and said container unit comprising: means for guiding said container unit into said power unit; and a container for receiving material to be compacted, said container being in registration with said ram when said container unit is received in said power unit for compaction of said material; said ram unit including: a ram; a plurality of elongated screw members located at respective spaced points around the periphery of said ram for selectively moving said ram in a vertical direction; and tiltable coupling means threadably engaging said elongated screw members with said ram for allowing tilting of said ram relative to said elongated screw members.
Claim 62
Dependent Claim
34 words
Apparatus according to claim 56 wherein said ram unit includes a ram which is selectively driven in the vertical direction, and a stop member for defining the lower limit of movement of said ram.
Claim 63
Dependent Claim
21 words
Apparatus according to claim 57 wherein said stop unit is fixed and inhibits movement of said ram below a predetermined point.
Claim 64
Dependent Claim
38 words
Apparatus according to claim 58 wherein said ram unit includes means for driving said ram in the vertical direction, said driving means including means for reversing the direction of movement responsive to the ram engaging said ram stop.
Claim 65
Dependent Claim
47 words
Apparatus according to claim 56 wherein said ram unit includes a ram selectively driven in the verTical direction, and a pair of guide means centrally located on a pair of opposing sides of said ram and engaging said ram for guiding said ram during vertical movement thereof.
Claim 66
Dependent Claim
43 words
Apparatus according to claim 56 wherein said ram is substantially rectangular, and comprising four of said elongated screw members which are tiltably and threadably engaged with said ram in the vicinity of the corners thereof by means of four respective tiltable coupling members.
Claim 67
Dependent Claim
27 words
Apparatus according to claim 56 wherein said tiltable coupling means includes a plurality of ball race nut members threadably engaging respective ones of said elongated screw members.
Claim 68
Dependent Claim
17 words
Apparatus according to claim 62 wherein said ball race nut members are tiltable relative to said ram.
Claim 69
Dependent Claim
183 words
A portable compacting apparatus comprising: a portable, rollable power unit; and a portable, rollable container unit adapted to be removably received in said power unit; said power unit comprising: means for receiving said container unit in said power unit; a ram unit operable to compact material in said container unit when said container unit is received in said power unit; and said container unit comprising: means for guiding said container unit into said power unit; and a container for receiving material to be compacted, said container being in registration with said ram when said container unit is received in said power unit for compaction of said material; and means for releasably locking said container unit in said power unit including a pair of means selectively extending from said power unit on either side thereof toward said container unit in the horizontal direction transverse to the direction of insertion of said container unit into said power unit, and receptacle means on either side of said container unit for respectively receiving said extending means when said container unit is fully received in said power unit.
Claim 70
Dependent Claim
183 words
A portable compacting apparatus comprising: a portable, rollable power unit; and a portable, rollable container unit adapted to be removably received in said power unit; said power unit comprising: means for receiving said container unit in said power unit; a ram unit operable to compact material in said container unit when said container unit is received in said power unit; and said container unit comprising: means for guiding said container unit into said power unit; and a container for receiving material to be compacted, said container being in registration with said ram when said container unit is received in said power unit for compaction of said material; and means for releasably locking said container unit in said power unit including a pair of means selectively extending from said power unit on either side thereof toward said container unit in the horizontal direction transverse to the direction of insertion of said container unit into said power unit, and receptacle means on either side of said container unit for respectively receiving said extending means when said container unit is fully received in said power unit.
Claim 71
Dependent Claim
17 words
Apparatus according to claim 64 wherein each of said extending means resiliently extends from said power unit.
Claim 72
Dependent Claim
37 words
Apparatus according to claim 65 comprising means on said container unit for engaging said resiliently extending means and for selectively causing said extending means to recede relative to said power unit so as to disengage said receptacle.
Claim 73
Dependent Claim
46 words
Apparatus according to claim 66 wherein said means for causing said extending means to recede includes a plate member on said container unit selectively engageable with said receptacle for engaging said extending means and for overlapping at least a portion of the opening of said receptacle.
Claim 74
Dependent Claim
18 words
Apparatus according to claim 67 wherein said means for engaging said extending means includes a foot operated mechanism.
Claim 75
Dependent Claim
42 words
Apparatus according to claim 68 wherein said foot operated mechanism includes an elongated member selectively engaging said extending means and slidably mounted to said container unit, and a foot operated lever pivotally mounted to said elongated member and to said container unit.
Claim 76
Dependent Claim
41 words
Apparatus according to claim 64 further comprising means for releasably locking said container unit in said power unit with said container unit partially removed from said power unit so as to expose said container to receive material to be compacted therein.
Claim 77
Dependent Claim
185 words
A portable compacting apparatus comprising: a portable, rollable power unit; and a portable, roller container unit adapted to be removably received in said power unit; said power unit comprising: means for receiving said container unit in said power unit; a ram unit operable to compact material in said container unit when said container unit is received in said power unit; and said container unit comprising: means for guiding said container unit into said power unit; and a container for receiving material to be compacted, said container being in registration with said ram when said container unit is received in said power unit for compaction of said material; and means for releasably locking said container unit in said power unit including means selectively extending from said power unit, and receptacle means on said container unit for receiving said extending means when said container unit is fully received in said power unit, and means for releasably locking said container unit in said power unit with said container unit partially removed from said power unit so as to expose said container to receive material to be compacted therein.
Claim 78
Dependent Claim
185 words
A portable compacting apparatus comprising: a portable, rollable power unit; and a portable, roller container unit adapted to be removably received in said power unit; said power unit comprising: means for receiving said container unit in said power unit; a ram unit operable to compact material in said container unit when said container unit is received in said power unit; and said container unit comprising: means for guiding said container unit into said power unit; and a container for receiving material to be compacted, said container being in registration with said ram when said container unit is received in said power unit for compaction of said material; and means for releasably locking said container unit in said power unit including means selectively extending from said power unit, and receptacle means on said container unit for receiving said extending means when said container unit is fully received in said power unit, and means for releasably locking said container unit in said power unit with said container unit partially removed from said power unit so as to expose said container to receive material to be compacted therein.
Claim 79
Dependent Claim
25 words
Apparatus according to claim 71 including an additional extending means selectively engaging said receptacle means for locking said container unit in said partially removed position.
Claim 80
Dependent Claim
137 words
A portable compacting apparatus comprising: a portable, rollable power unit; and a portable, rollable container unit adapted to be removably received in said power unit; said power unit comprising: means for receiving said container unit in said power unit; a ram unit operable to compact material in said container unit when said container unit is received in said power unit; and said container unit comprising: a container for receiving material to be compacted, said container being in registration with said ram when said container unit is received in said power unit for compaction of said material; and a liner adapted to be removably inserted in said container with a bag interposed between said liner and said container, said liner having vertical slots therein on opposing walls thereof which extend downward from the uppermost edge of said liner.
Claim 81
Dependent Claim
137 words
A portable compacting apparatus comprising: a portable, rollable power unit; and a portable, rollable container unit adapted to be removably received in said power unit; said power unit comprising: means for receiving said container unit in said power unit; a ram unit operable to compact material in said container unit when said container unit is received in said power unit; and said container unit comprising: a container for receiving material to be compacted, said container being in registration with said ram when said container unit is received in said power unit for compaction of said material; and a liner adapted to be removably inserted in said container with a bag interposed between said liner and said container, said liner having vertical slots therein on opposing walls thereof which extend downward from the uppermost edge of said liner.
Claim 82
Dependent Claim
16 words
Apparatus according to claim 73 wherein said liner extends above the upper edge of said container.
Claim 83
Dependent Claim
28 words
Apparatus according to claim 73 wherein said ram includes a ram head having substantially horizontally extending supports which engage said slots during downward movement of said ram head.
Claim 84
Dependent Claim
39 words
Apparatus according to claim 73 wherein said slots of said liner are dimensioned and located so as to engage an upper edge of said container with said liner in an inverted position for facilitating mounting of a bag thereover.
References Cited (Backward Citations)
US56456A
Cited
US2732113A
Cited
US2486966A
Cited
US2641122A
Cited
US2782710A
Cited
US2773536A
Cited
US2964327A
Cited
US3229618A
Cited
US3463079A
Cited
US3537390A
Cited
US3589277A
Cited
US3765148A
Cited
US3613560A
Cited
US3654855A
Cited
US3675810A
Cited
US3727546A
Cited
US3756150A
Cited
US3722561A
Cited
US3726211A
Cited
US3756144A
Cited
US3757683A
Cited
US3768398A
Cited
US3808453A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-03-03 | 1978-09-02 | 1979-03-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-03-03 | 1982-09-02 | 1983-03-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-03-03 | 1986-09-02 | 1987-03-04 | $7700.00 | Window Closed / Lapsed |