Patents
Patents for B25D 17 - Details of, or accessories for, portable power-driven percussive tools (6,804)
12/1986
12/09/1986US4627626 Chuck for a hammer or rotary impact drill
12/09/1986US4627140 Anchor bolt setting impact tool
12/02/1986US4626365 Polytetrafluorethylene-containing coating composition for sliding parts
12/02/1986US4626146 Tool holder for a drilling or a chiseling device
11/1986
11/25/1986USRE32292 Method of texturing concrete with deep texture hammer
11/25/1986US4624339 Sound-proofing casing for a pneumatic percussive drill
11/25/1986US4624325 Apparatus for dampening the recoil of percussion tools
11/25/1986US4624323 Multi-purpose impact hand tool kit
11/20/1986EP0201662A1 Chuck for rotary-percussive or rotary drilling
11/11/1986US4621820 Percussion drilling apparatus
11/11/1986US4621818 Hammer drill spindle and chuck assembly
11/05/1986EP0199842A1 Electropneumatic percussion drill
10/1986
10/28/1986US4619461 Hammer drill apparatus
10/22/1986EP0198809A2 Rock drilling device and a drill stem for said device
10/22/1986EP0094403B1 Rock breaking apparatus
10/15/1986EP0197911A2 An hydraulic accumulator and an hydraulic impacting device with same
10/15/1986CN86102636A Rock drilling device and a drill stem for said device
10/14/1986US4616716 Synchronous vibratory impact hammer
10/08/1986CN85100480A Noise eliminating device for drill
09/1986
09/30/1986US4614241 Impact tool assembly with bit isolating means
09/24/1986EP0195260A2 Drill chuck and tool for rotional and rotional-impact drilling
09/24/1986EP0195193A1 Chuck for percussive-rotary or rotary drilling
09/17/1986EP0194426A1 Drill chuck for rotary percussive or rotary drilling
09/17/1986EP0194347A1 Resilient mounting of a handles-carrying protective cover for a percussion tool
09/16/1986US4611670 Motor driven drilling or chipping device
09/09/1986US4610188 Magnetic driving tool
09/02/1986US4609199 Hammer-drill chuck with adjustable axial play
09/02/1986US4609069 Silencer for a pneumatically driven hydraulic jack
09/02/1986US4609055 Vibrating plate
09/02/1986US4609054 Anti-noise impact element
09/02/1986US4609053 Hammer tool
09/02/1986US4608853 Percussion apparatus
08/1986
08/20/1986EP0191336A1 Assembly of an impact tool and a support unit
08/19/1986US4606414 Percussive air tool
08/12/1986US4605073 Device in needle hammers
08/05/1986CA1208944A1 Drill chuck for percussion drilling
07/1986
07/29/1986US4602689 Power tool
07/23/1986EP0188083A1 Tool
07/22/1986US4601350 Electrically-operated multi-needle chisel tool
07/15/1986CA1207611A1 Pneumatically operated impact tool
06/1986
06/25/1986EP0185165A1 Plastic master cylinder
06/19/1986WO1986003534A1 Clamping arrangement to device for driving into the ground rod elements of low rigidity
06/17/1986US4594759 Surface-chiseling machine
06/10/1986US4593768 Hydraulically operated impact device
06/10/1986US4593767 Impact device
06/03/1986US4592431 Device for deposition of the movements of two driven bodies in the forward direction of a tool
05/1986
05/27/1986US4591009 Drill soundproofing device
05/21/1986EP0181468A1 Percussion tool utilizing negative pressure
05/14/1986EP0181093A1 Tool
05/13/1986US4588300 Vibrator assembly
04/1986
04/29/1986US4585077 Drilling mechanism optionally usable as a rotary drill or a hammer drill
04/29/1986CA1203793A1 Cylindrical guide member for an impacting mechanism in a hammer drill
04/15/1986US4582145 Pressure-medium driven percussion device
04/15/1986US4582144 Percussive tools
04/09/1986EP0177467A1 Drill steel
03/1986
03/26/1986EP0175088A1 Tool holder for drilling and chipping tools
03/18/1986US4576241 Tool assembly and handle assembly therefor
03/18/1986US4576240 Hydraulic impact device
03/10/1986CN85107342A Drill steel
02/1986
02/26/1986EP0058677B1 Impact device
02/12/1986EP0171358A2 Drilling tool for hand drills
02/04/1986US4567951 Hammer drill
01/1986
01/21/1986US4565472 Drill for hand-held drilling devices
01/15/1986EP0168382A1 Device for percussive and/or rotary drilling
01/14/1986US4563938 Pressure fluid operated percussive tool
01/07/1986US4562974 Rock breaking apparatus
01/07/1986CA1198913A1 Hammer tool
01/02/1986EP0166681A1 Pneumatically driven hammer
12/1985
12/27/1985EP0165341A1 Single space damper and its use in a hand tool
12/17/1985US4558763 Muffler for a pneumatic hammer
12/11/1985EP0164307A1 Trigger mechanism for actuating a control device, and its use
12/10/1985CA1197836A1 Pressure-medium driven percussion device
12/04/1985EP0163600A1 Dust guard cap
11/1985
11/19/1985US4553610 Hydraulic striking machine
11/13/1985EP0160652A1 Device for the transfer of the movements of two driven bodies in the forward direction of a tool
11/05/1985US4550784 Tool mounting means for a hydraulically powered impact hammer
10/1985
10/23/1985EP0159135A1 Method and apparatus for drilling hard material
10/22/1985US4548279 In a demolition tool
10/22/1985US4548278 Percussion tool
10/22/1985CA1195684A1 Lubrication system for a drill rod shank in a percussion drilling machine
10/15/1985CA1195316A1 Tool holder for a rotary and percussive drilling device
10/02/1985EP0156789A1 Rock breaking tool
09/1985
09/25/1985EP0155402A1 Percussion drilling machine
09/18/1985EP0154802A1 Percussion tool
09/17/1985CA1193498A1 Synchronous vibratory impact hammer
09/10/1985CA1193118A1 Drill for hand-held drilling devices
09/03/1985CA1192898A1 Attachment for a percussive rock drilling machine
08/1985
08/28/1985EP0152645A1 Selector for hammer drills for percussive or rotational drilling with drill chuck protection
08/21/1985EP0152376A1 Percussion device
08/20/1985US4536109 Drill chuck for percussion drilling
08/13/1985US4534421 Tool assembly
07/1985
07/31/1985EP0149676A1 Rock drill
07/16/1985US4529044 Electropneumatic hammer drill or chipping hammer
07/10/1985EP0147830A2 Drill for a hand-held drilling machines
07/03/1985EP0147262A1 Sound-attenuating housing for pneumatic drills
06/1985
06/19/1985EP0144392A1 Vibrating plate.
06/12/1985EP0144282A1 Hydraulic hammer
06/11/1985CA1188497A1 Impact device
06/11/1985CA1188496A1 Tool assembly
06/04/1985US4520564 Tool for removing automotive door panels
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