Patent US4158622A successfully refreshed from Google Patents.
US3660004A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pallet clamp
Assignee: Besser Co
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Filing: 1970-04-30
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Granted: 1972-05-02
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Expires: 1990-04-30
Abstract
Abstract Concrete block molding machinery having apparatus for moving a block receiving pallet against a mold assembly which is used in forming building blocks. The apparatus includes rotatable clamp arms and clamp receiving members having cooperating wedging surfaces, the clamp arms being movable into and out of engagement with the clamp receiving members to move the pallet supporting members toward and away from the mold assembly to clamp and unclamp the pallet to and from the mold.
Inventors
- 👤 Robert J Woelk
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 10:06
CPC Classifications
B; B28; B28B; B28B7/00; B28B7/0002; B28B7/0014
Claims Analysis
Total Claims: 17
Claim 1
Independent Claim
145 words
Apparatus for clamping a block receiving pallet to a mold member for forming concrete blocks comprising: a mold member having an open end; a pallet support member for removably supporting a pallet adjacent said end of the mold member; means for relatively moving the mold member and pallet support member toward and away from each other between remote and operative block-forming position; receiver means removably supporting said pallet support member; clamp means mounted on one of said members; clamp receiving means mounted on the other of said members; said clamp and clamp receiving means including cooperating wedging parts having cooperating surface means; and drive means for relatively moving said clamp means and said clamp receiving means into wedged engagement to clamp the pallet tightly against said end of the mold member and move said pallet support member in a direction away from said receiver means.
Claim 2
Dependent Claim
145 words
Apparatus for clamping a block receiving pallet to a mold member for forming concrete blocks comprising: a mold member having an open end; a pallet support member for removably supporting a pallet adjacent said end of the mold member; means for relatively moving the mold member and pallet support member toward and away from each other between remote and operative block-forming position; receiver means removably supporting said pallet support member; clamp means mounted on one of said members; clamp receiving means mounted on the other of said members; said clamp and clamp receiving means including cooperating wedging parts having cooperating surface means; and drive means for relatively moving said clamp means and said clamp receiving means into wedged engagement to clamp the pallet tightly against said end of the mold member and move said pallet support member in a direction away from said receiver means.
Claim 3
Dependent Claim
28 words
Apparatus as set forth in claim 1 wherein said pallet support member is suspended solely from said mold member when said pallet is clamped against said mold member.
Claim 4
Dependent Claim
33 words
Apparatus as set forth in claim 1 wherein said drive means is adapted to be connected with a source of linearly reciprocable power and includes means for converting linear motion into rotary motion.
Claim 5
Dependent Claim
32 words
Apparatus as set forth in claim 3 wherein said converting means includes rotatable means connected with said clamp means, and linearly reciprocable means for alternately rotating said rotatable means in opposite directions.
Claim 6
Dependent Claim
55 words
Apparatus as set forth in claim 4 further including link means connecting said linearly reciprocable means with said rotatable means, said rotatable means including first and second interconnected and longitudinally spaced apart sprockets; one of said sprockets being connected with said link means and the other of said sprockets being connected with said clamp means.
Claim 7
Dependent Claim
132 words
Apparatus for clamping a block receiving pallet to a mold member for forming concrete blocks comprising: a frame; a mold member removably supported on said frame and having an open end; pallet support means, including resilient means, for removably resiliently supporting a pallet adjacent said end of said mold member; means for moving said pallet support means between a remote position and a position adjacent said mold member to close the open end of said mold member with said pallet and lift said mold member off said frame to resiliently support said pallet and mold member; and clamp means removably supported on said pallet support means including clamp members reactable with said mold member to clamp the pallet to said mold member and lift the clamp means off said pallet support means.
Claim 8
Dependent Claim
132 words
Apparatus for clamping a block receiving pallet to a mold member for forming concrete blocks comprising: a frame; a mold member removably supported on said frame and having an open end; pallet support means, including resilient means, for removably resiliently supporting a pallet adjacent said end of said mold member; means for moving said pallet support means between a remote position and a position adjacent said mold member to close the open end of said mold member with said pallet and lift said mold member off said frame to resiliently support said pallet and mold member; and clamp means removably supported on said pallet support means including clamp members reactable with said mold member to clamp the pallet to said mold member and lift the clamp means off said pallet support means.
Claim 9
Dependent Claim
118 words
Apparatus for clamping a block receiving pallet to a mold member for forming blOcks comprising: a mold member; support means, including resilient means, for resiliently supporting a block-receiving pallet positioned against said mold member; means for preventing separation of the mold member and pallet removably supported on said support means and movable between a removed inoperative position on said support means and an operative position removed from a support position on said support means in which it prevents said pallet and said mold member from parting; means for moving said separation preventing means between said inoperative and said operative positions and for securing said removably supported means in said operative position; and means for operating said securing means.
Claim 10
Dependent Claim
118 words
Apparatus for clamping a block receiving pallet to a mold member for forming blOcks comprising: a mold member; support means, including resilient means, for resiliently supporting a block-receiving pallet positioned against said mold member; means for preventing separation of the mold member and pallet removably supported on said support means and movable between a removed inoperative position on said support means and an operative position removed from a support position on said support means in which it prevents said pallet and said mold member from parting; means for moving said separation preventing means between said inoperative and said operative positions and for securing said removably supported means in said operative position; and means for operating said securing means.
Claim 11
Dependent Claim
64 words
Apparatus as set forth in claim 7 wherein said means for moving and for securing includes clamp means mounted on one of said separation preventing means and said mold member, and clamp receiving means mounted on the other of said separation preventing means and said mold member; said operating means including means for moving said clamp means into engagement with said clamp receiving means.
Claim 12
Dependent Claim
46 words
Apparatus as set forth in claim 8 wherein said clamp means includes a pair of longitudinally spaced apart clamps pivotally movable on each of a pair of longitudinally spaced apart shafts into and out of engagement with said clamp receiving means between clamped and unclamped positions.
Claim 13
Dependent Claim
93 words
Apparatus as set forth in claim 9 wherein said means for operating said securing means comprises first and second pairs of sprockets, each of said pairs including a rotatable driven sprocket connected with one of said clamps, and a rotatable drive sprocket drivingly connected with said driven sprocket, each of said driven sprockets being mounted on a shaft and including an eccentric shaft connected with a linearly reciprocable member, and means for reciprocating said reciprocable member to rotate said drive and driven sprockets to move said clamps between said clamped and unclamped positions.
Claim 14
Dependent Claim
47 words
Apparatus as set forth in claim 7 wherein said means for moving and securing includes cooperating wedge means mounted on said removably supported means and said mold member, and said means for operating said securing means includes means for moving said cooperating wedge means into wedging relation.
Claim 15
Dependent Claim
133 words
Apparatus for clamping a block receiving pallet to a mold member for forming concrete blocks comprising: a pallet a mold member; a frame structure; a support member on said frame structure; resilient support means for resiliently supporting one of said pallet and said mold member mounted on said frame structure; means for selectively clamping said pallet and said mold member together said clamping means mounted for movement between an inoperative position in which it rests on said support member and a clamping position in which it has moved in a direction away from said support member for clamping said pallet to said mold member so that said pallet, mold member and clamping means are supported by said resilient support means; and means for moving said clamping means between said inoperative and clamping positions.
Claim 16
Dependent Claim
133 words
Apparatus for clamping a block receiving pallet to a mold member for forming concrete blocks comprising: a pallet a mold member; a frame structure; a support member on said frame structure; resilient support means for resiliently supporting one of said pallet and said mold member mounted on said frame structure; means for selectively clamping said pallet and said mold member together said clamping means mounted for movement between an inoperative position in which it rests on said support member and a clamping position in which it has moved in a direction away from said support member for clamping said pallet to said mold member so that said pallet, mold member and clamping means are supported by said resilient support means; and means for moving said clamping means between said inoperative and clamping positions.
Claim 17
Dependent Claim
22 words
The apparatus set forth in claim 12 wherein said clamp moving means is reactable between said mold member and said clamping means.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-05-02 | 1975-11-01 | 1976-05-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-05-02 | 1979-11-01 | 1980-05-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-05-02 | 1983-11-01 | 1984-05-02 | $7700.00 | Window Closed / Lapsed |