Hammers
|
PAT. NO. |
Title |
| 251 |
6,265,647 |
Keyboard musical instrument having hammer stopper changed
between free position and blocking position through turn on horizontal
plane |
| 252 |
6,260,778 |
Tub grinder with adjustable swing diameter hammer mill
|
| 253 |
D444,689 |
Hammer grip |
| 254 |
6,248,943 |
Keyboard musical instrument having dummy hammer with
well-regulated center of gravity for producing piano-like key touch
without acoustic sound |
| 255 |
6,241,026 |
Rotary hammer |
| 256 |
D443,191 |
Hammer |
| 257 |
6,237,699 |
Rotary hammer |
| 258 |
6,234,048 |
Nonrecoil hammer |
| 259 |
D442,452 |
Rotary hammer |
| 260 |
6,231,250 |
Method of controlling reciprocal movement of hammer
rank in print device |
| 261 |
D442,048 |
Claw hammer |
| 262 |
6,227,309 |
Rotary hammer |
| 263 |
6,227,308 |
Reversible impact mechanism with structure limiting
hammer travel |
| 264 |
6,227,075 |
Nonrecoil hammer |
| 265 |
6,223,833 |
Spindle lock and chipping mechanism for hammer drill
|
| 266 |
6,223,627 |
Anti-shock structure of a hammer handle |
| 267 |
6,223,459 |
Safety mechanism for side hammer muzzleloading rifles
|
| 268 |
6,209,666 |
Percussive down-the-hole hammer and a piston and drill
bit therefor |
| 269 |
6,209,659 |
Hand-held drill with a compressed air-operated hammer
mechanism |
| 270 |
6,205,694 |
Externally adjustable coil hammer mainspring assemblies
for pistols |
| 271 |
D439,488 |
Hammer |
| 272 |
6,202,511 |
Vibration damped hammer |
| 273 |
6,201,362 |
Electromagnetic hammer with mobile ferromagnetic weight
|
| 274 |
D438,773 |
Metal-working hammer |
| 275 |
6,196,088 |
Hammer with striking cap |
| 276 |
6,194,649 |
Keyboard musical instrument equipped with partially
repaireable change-over mechanism for changing hammer stopper |
| 277 |
6,192,997 |
Pneumatic hammer with buffers |
| 278 |
6,192,996 |
Mode changing mechanism for use in a hammer drill |
| 279 |
6,192,539 |
Hammer with holder |
| 280 |
D438,082 |
Hammer |
| 281 |
6,189,630 |
Downhole hammer-type core barrel |
| 282 |
6,188,228 |
Hammer having integral stud and mains sensor |
| 283 |
6,182,776 |
Overburden drilling apparatus having a down-the-hole
hammer separatable from an outer casing/drill bit unit |
| 284 |
D436,821 |
Hammer |
| 285 |
D436,812 |
Stake driving and pulling attachment for a slide hammer
|
| 286 |
6,176,321 |
Power-driven hammer drill having an improved operating
mode switch-over mechanism |
| 287 |
6,158,526 |
Reversible impact mechanism with structure limiting
hammer travel |
| 288 |
6,154,961 |
Method for manufacturing an water hammer arrester |
| 289 |
6,148,930 |
Percussion drill and/or jack hammer with handle spring-buffered
against the hammer housing |
| 290 |
D433,299 |
Pneumatic hammer |
| 291 |
6,138,888 |
Pneumatic hammer |
| 292 |
6,138,772 |
Drill with a hammer mechanism |
| 293 |
6,135,214 |
Impact absorbing fluid operated hammer |
| 294 |
D432,380 |
Hammer head |
| 295 |
6,131,838 |
Saddle-back hammer tip |
| 296 |
6,131,672 |
Percussive down-the-hole rock drilling hammer and piston
therefor |
| 297 |
6,131,434 |
Combination pneumatic hammer, spring and guide for
chisels in use for sealing Pittsburgh lock seams |
| 298 |
D431,988 |
Hammer |
| 299 |
D431,987 |
Hammer |
| 300 |
6,128,977 |
Shock-absorbing claw hammer |
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