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Class 83/543 - With transmission yieldable on overload


Subclass of Class 83 - Cutting
Definition: Device wherein there is interposed in the drive train (between
No. of patents: 31
Last issue date: 03/11/2008


NumberTitleIssue Date
7340931Roll forming and punching machine for metal sheet material
A punching machine installed in the machine base of a roller shape forming machine in a metal working system and controlled to punch holes on a metal sheet material being delivered through the roller shape forming machine during operation of the roller shape forming...
03/11/2008
7249550Culinary cutting tool
A culinary tool includes a base member that has a planar bottom surface and an arcuate top surface for fitting an entire roll of cookie dough thereon. The top surface is contoured symmetrically to an outer surface of the roll of cookie dough. The base member has opp...
07/31/2007
7244083Cutting head assembly
A cutting head assembly for use in cutting plate glass has a simplified drive train, all positioned about the vertical rotational centerline. The drive train includes a hollow bore drive motor having a drive adaptor directly engaged with a spline shaft that extends ...
07/17/2007
7137329Circular saw clutch assembly
A circular saw clutch assembly includes an elongated rod that is coupled to a table saw assembly. A peripheral flange is integrally attached to the rod. The flange has a plurality of ball bearings mounted therein. A first washer abuts the flange and includes a plura...
11/21/2006
7117777Flying punch for webs
A punching station for a web includes a web transport system that operates to advance the web in a first direction at a first rate. A clamp intermittently grips a portion of the web to advance the portion in the first direction at a second rate. A punch is coupled t...
10/10/2006
7069847Overload protection control method for pressing machine
An overload protection control method for a pressing machine capable of performing overload protection with excellent responsiveness with a simple structure is provided. For this purpose, the overload protection control method includes the steps of driving a slide (...
07/04/2006
6979153Deep-grooving insert having stepped cutting edge
A deep-grooving chip-forming cutting insert includes a rear mounting portion, a front cutting portion, and a pair of side walls, each side wall extending along the front and rear portions. The front cutting portion includes a front end surface, a top surface, and a ...
12/27/2005
6925916Two stage punch press actuator with output drive shaft position sensing
A press for forming a workpiece with a tooling set includes an actuator assembly carrying a movable half or punch of the tooling set and having a two phase operation. In the first phase the actuator provides relatively low force in moving the punch to an intermediat...
08/09/2005
6439091Clutch mechanism
A power tool includes a motor, an arbor driven by the motor, a rotatable cutting tool disposed on the arbor and having a rotational axis, the cutting tool further having a hole, first and second clamps connected to the arbor and clamping the blade, wherei...
08/27/2002
6295910Clutch assembly for use with a circular saw
A circular saw includes a clutch assembly to surround the rotating blade shaft of the saw. The blade shaft is rotated by a shaft having a gear at one end. The clutch assembly includes a clutch gear to engage with the rotating pinion. The clutch gear is he...
10/02/2001
6231492Cutting drum having circumferentially adjustable cutting blades for use on a rotary press folding machine
An adjustable cutting bar having a pair of cutting blades for use on a rotary press folding machine includes a rotatable shaft supported on a frame, a first cutting blade secured to the shaft for common rotation therewith, and a second cutting blade rotat...
05/15/2001
6012370Toggle type punch driving system
In a toggle type punch driving system, the upper and lower ends of a bendable lever which can bend at an intermediate part thereof are pivotably connected to a fulcrum member and a ram respectively, and an advancing/retreating member for bending the lever...
01/11/2000
5916345Toggle-type punch drive apparatus
The top and bottom ends of a pivoting lever, which is pivotable in the middle, are rotatably connected with a supporting component and a ram, respectively. A shuttle component is linked with the pivot point of the pivoting lever. The shuttle component dri...
06/29/1999
5667347Fastener
An improved fastener assembly is disclosed comprising a threaded fastener combined with two disc shaped washer components wherein one disc component is resilient and mounted to relatively rotate with respect to the threaded fastener and other disc compone...
09/16/1997
5253573Safety device for limiting the axial load exerted on a drive worm
A safety device for limiting axial operating loads which are exerted on a drive worm of a machine, such as a platen press, including a pressure chamber receiving a first piston connected to an auxiliary shaft, which is axially shiftable and non-rotatable,...
10/19/1993
5216959Method and device for press overload protection
A method and a device for protecting against a press overload is disclosed whereby, when an excessive pressure which exceeds a specified hydraulic pressure is transmitted to a pressure chamber of a press cylinder, this excessive pressure activates the pun...
06/08/1993
4936178Punching apparatus
A punching apparatus, preferably for punching intermittently moving webs of synthetic thermoplastics, comprises top and bottom tools, which are mounted in a machine frame and at least one of which is connected to a drive for moving said one tool up and do...
06/26/1990
4667533Positive drive override mechanism
An override for a positive drive mechanism which includes a first bearing block which is fixedly secured to tie rods and a second bearing block which is secured to the tie rods through release and relatch means. The blocks are designed to couple to either...
05/26/1987
4656905Shearing apparatus
A shearing apparatus for performing several modes of operation on travelling or stationary material. Two cooperative knife drums, which can be rendered rotatable or non-rotatable, form a gap whose spacing is varied by hydraulic piston cylinder assemblies,...
04/14/1987
4650114Punch press with a number of selectable punches
Between a plurality of side-by-side punches and an operating slide having reciprocating motion is arranged a selective motion transmission device which consists of two pluralities of toothed couplings in mutually opposed positions. The toothed couplings o...
03/17/1987
4624164Hydraulic shearing machine
A hydraulic shearing machine for cutting steel sheets and the like in which the lower blade is fixed between two vertical end-plates of the frame while the upper blade is carried by a movable apron. The support provided for the lower cutting blade consist...
11/25/1986
4586248Safety device for arbor of fastening machine
The present invention relates to a safety device for an upper die arbor of a fastening machine having a driving sleeve, an upper mold mandrel, a copper sleeve, and a steel sleeve. The driving sleeve has a roller in each of four holes. A flange is formed o...
05/06/1986
4491046Paper cutting device for a printer
A paper cutting device for use in a printer for cutting off a sheet of recording paper. A first cutter blade is supported on a frame of the device and a second cutter blade pivotably supported on the frame is movable over the first cutter blade to cut off...
01/01/1985
4485713Punching device
A punching device comprising a pair of opposed complementary dies vertically guided by a pair of guide rods each rotatably connected to a crank pin to continuously punch band material moving between the dies. The crank pins rotate synchronously in opposed...
12/04/1984
4437207Magnetic, force-limited apparatus for tenderizing meat
An apparatus for tenderizing meat has a movable head member with closely-spaced, independently force-limited cutting elements positioned over a conveyor belt for severing the meat fibers with orthogonally oriented cuts as the meat is successively position...
03/20/1984
4343214Arrangement for fastening a circular saw blade on a trunnion axially projecting from a drive shaft
An arrangement for frictionally coupling a saw blade to a trunnion projecting from one end of a drive shaft and permitting rotation of the saw blade relative to the trunnion upon excessive strain on the saw blade, in which the saw blade can be mounted onl...
08/10/1982
4303012Load multiplying mechanisms
A pneumatically operated press in which the moving press plunger (13) is actuated by a toggle linkage (20, 21, 22) which is itself actuated by a second toggle linkage (30, 31, 32). The end link (31) of this second linkage is actuated by a large diameter p...
12/01/1981
4182186Notching mechanism
A notching mechanism for objects which includes a base and an upright support secured to and vertically projecting from the base. A member for supporting an object(s) to be notched is also mounted on the base adjacent to the upright support, first and sec...
01/08/1980
4146161Pinning machine
There is disclosed a pinning machine having an improved plunger, an improved guide track and an improved knife assembly. The plunger has relatively movable sections threadably connected together to enable the length of the plunger to be changed so that ta...
03/27/1979
3951025Overload safety device
An overload safety device having a housing reciprocally movable through forward and reverse strokes of a set length. The housing has a cylinder and a piston mounted for reciprocal movement in the cylinder between a normal extended position and a retracted...
04/20/1976
 
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