초록 ▼

A helmet is provided which is to be worn on the head of a helmet wearer and can be removed from the head with a comparatively small force. Operation for removing the helmet, including preliminary operation for it, can be performed easily and quickly. A recess-projection engaging mechanism to attach

A helmet is provided which is to be worn on the head of a helmet wearer and can be removed from the head with a comparatively small force. Operation for removing the helmet, including preliminary operation for it, can be performed easily and quickly. A recess-projection engaging mechanism to attach a blockish inside pad to a head protecting cap portion side includes an engaging pin on the inside pad side or head protecting cap portion side, and a notched engaging hole on the head protecting cap portion side or inside pad side. When pulling the inside pad outward from inside the head protecting cap portion at least partly, the engaging pin moves relative to outside the engaging hole through a notch of the engaging hole.

대표청구항 ▼

1. A helmet comprising: (a) a head protecting cap portion comprising an inner surface;(b) at least one blockish inside pad, wherein said at least one blockish inside pad is configured to be disposed within said head protecting cap portion; and(c) at least one connecting mechanism comprising: (i) a r

1. A helmet comprising: (a) a head protecting cap portion comprising an inner surface;(b) at least one blockish inside pad, wherein said at least one blockish inside pad is configured to be disposed within said head protecting cap portion; and(c) at least one connecting mechanism comprising: (i) a recess-projection engaging mechanism comprising; (A) an engaging pin non-slidably and mechanically coupled to either said at least one blockish inside pad or said inner surface; and(B) a channel disposed on the other of said at least one blockish inside pad or said inner surface, the channel comprising; (I) a notched engaging hole;(II) a mouth; and(III) a narrow portion, wherein said narrow portion connects said mouth to said notched engaging hole to form said channel, wherein said channel is substantially parallel to said inner surface of said head protecting cap portion when said at least one blockish inside pad is retained within said head protecting cap portion;wherein said at least one connecting mechanism is configured to removably attach said at least one blockish inside pad to said inner surface of said head protecting cap portion by retaining said engaging pin within said notched engaging hole by moving said engaging pin into said channel at said mouth through said narrow portion to said notched engaging hole, and by directly pulling said at least one blockish inside pad to substantially below the helmet from inside said head protecting cap portion at least partly, said engaging pin exits said channel from said notched engaging hole through said narrow portion and out said mouth simultaneously as the at least one blockish inside pad is directly pulled, thus disengaging said engaging pin from said notched engaging hole, and pulling said at least one blockish inside pad outward from inside said head protecting cap portion at least partly. 2. A helmet according to claim 1, wherein said at least one blockish inside pad comprises any one of a blockish inside pad for a left cheek and a blockish inside pad for a right cheek. 3. A helmet according to claim 1, wherein said at least one blockish inside pad comprises a blockish inside pad for a left cheek and a blockish inside pad for a right cheek. 4. A helmet according to claim 1, wherein a pull member to directly pull said at least one blockish inside pad to substantially below the helmet from inside said head protecting cap portion at least partly is attached to said at least one blockish inside pad. 5. A helmet according to claim 4, wherein said pull member comprises one of a substantially semi-loop-shaped cord and a substantially loop-shaped cord. 6. A helmet according to claim 5, wherein said pull member is red. 7. A helmet according to claim 1, further comprising an inclined guide surface adjacent said notched engaging hole and configured to support said engaging pin after said engaging pin has exited said mouth of the channel. 8. A helmet according to claim 1, wherein said engaging pin is coupled to said at least one blockish inside pad, and said channel is disposed on said inner surface of said head protecting cap portion. 9. A helmet according to claim 1, further comprising a recess-projection fitting mechanism configured to removably attach said at least one blockish inside pad to said head protecting cap portion and serve as a pivot fulcrum about which said at least one blockish inside pad pivots when said at least one blockish inside pad is directly and partially pulled substantially below the helmet from inside said head protecting cap portion. 10. A helmet according to claim 9, wherein said at least one connecting mechanism further comprises two connecting mechanisms. 11. A helmet according to claim 9, wherein said recess-projection fitting mechanism comprises a round hook comprising a female hook and a male hook configured to detachably fit with said female hook by recess-projection fitting. 12. A helmet according to claim 1, wherein said engaging pin comprises at least one hook comprising an engaging shaft portion which engages said notched engaging hole. 13. A helmet according to claim 12, wherein said at least one hook further comprises a removal-preventive head portion which prevents said engaging shaft portion from levitating from and exiting said notched engaging hole. 14. A helmet according to claim 12, wherein said at least one hook comprises a male hook and a female hook, wherein said male hook is attached to said at least one blockish inside pad side. 15. A helmet according to claim 1, wherein said at least one blockish inside pad comprises at least one thick plate-shaped cushion member and a bag-shaped member which covers said thick plate-shaped cushion member, said bag-shaped member comprising a bag main body including an opening, through which said cushion member can be loaded and unloaded, in one surface thereof, and a plurality of holding members each of which is formed of a thin plate-shaped elastic material and partly covers said opening, part of an outer portion of each of said plurality of holding members attached to said bag main body on part of a peripheral portion of said opening, and at least one second recess-projection engaging mechanism is configured to detachably engage said plurality of holding members with each other, said at least one second recess-projection engaging mechanism comprises a male hook provided to at least a first one of said plurality of holding members, and wherein at least a second one of said plurality of holding members comprises a holding member notched engaging hole configured to detachably engage with said male hook. 16. A method of removing, from a head of a helmet wearer, a helmet comprising a head protecting cap portion with one or a plurality of blockish inside pads disposed therein, at least one of the blockish inside pads being attached to the head protecting cap portion in advance by one or a plurality of connecting mechanisms, wherein the method comprises, when attaching the at least one blockish inside pad, using, as at least one of the connecting mechanisms, a recess-projection engaging mechanism including one of an engaging pin and a notched engaging hole disposed on the at least one blockish inside pad side, and a corresponding one of a notched engaging hole and an engaging pin disposed on the head protecting cap portion side to be able to engage with one of the engaging pin and the engaging hole, when removing the helmet worn on the head of the helmet wearer, first, pulling the at least one blockish inside pad outward from inside the head protecting cap portion to cause the engaging pin to relatively come out from the engaging hole through a notch of the engaging hole, thus disengaging the engaging pin from the engaging hole, and pulling the blockish inside pad outward from inside the head protecting cap portion at least partly, and removing the head protecting cap portion from the head of the helmet wearer. 17. A method according to claim 16, wherein said at least one blockish inside pad comprises a blockish inside pad for a left cheek and/or a blockish inside pad for a right cheek. 18. A method according to claim 16, wherein a pull member to pull the at least one blockish inside pad outward from inside the head protecting cap portion at least partly is attached to the at least one blockish inside pad. 19. A method according to claim 16, wherein the method further comprises an inclined guide surface which is formed on the notched engaging hole side to be adjacent to the notch of the engaging hole, and the inclined guide surface being configured to allow the engaging pin, which is to come out relatively from the engaging hole through the notch, to suspend from the engaging hole side. 20. A method according to claim 16, wherein the engaging pin is disposed on the at least one blockish inside pad side, and the engaging hole is disposed on the head protecting cap portion side. 21. A method according to claim 16, wherein each of the at least one blockish inside pad is attached to the head protecting cap portion by a plurality of the connecting mechanisms, and one of the plurality of connecting mechanisms comprises a recess-projection fitting mechanism capable of serving as a pivot fulcrum about which the blockish inside pad pivots toward the head protecting cap portion side, and each of remaining ones of the connecting mechanisms comprises the recess-projection engaging mechanism. 22. A method according to claim 21, wherein the recess-projection fitting mechanism comprises a round hook including one of a male hook and a female hook disposed on the at least one blockish inside pad side, and a corresponding one of a female hook and a male hook disposed on the head protecting cap portion side, and the male hook is configured to detachably fit with the female hook by recess-projection fitting. 23. A method according to claim 16, wherein the engaging pin comprises one of a first male hook and a first female hook attached to a corresponding one of the at least one blockish inside pad side and the head protecting cap portion side, and one of a second female hook and a second male hook configured to detachably fit with a corresponding one of the first male hook and the first female hook by recess-projection fitting, and one of the second female hook and the second male hook comprises an engaging shaft portion which engages with the engaging hole. 24. A method according to claim 23, wherein one of the second female hook and the second male hook further comprises a removal-preventive head portion which prevents the engaging shaft portion from levitating from the engaging hole and coming out therefrom. 25. A method according to claim 23, wherein the engaging pin comprises the first male hook attached to the at least one blockish inside pad side. 26. A helmet comprising: (a) a head protecting cap portion comprising an inner surface;(b) at least one blockish inside pad, wherein said at least one blockish inside pad is configured to be disposed within said head protecting cap portion; and(c) a plurality of connecting mechanisms comprising: (i) a recess-projection engaging mechanism comprising; (A) an engaging pin non-slidably and mechanically coupled to either said at least one blockish inside pad or said inner surface, said engaging pin comprising a first male hook and a first female hook that form an engaging shaft portion; and(B) a channel disposed on the other of said at least one blockish inside pad or said inner surface, the channel comprising; (I) a notched engaging hole, wherein said engaging shaft portion engages said notched engaging hole;(II) a mouth; and(III) a narrow portion, wherein said narrow portion connects said mouth to said notched engaging hole to form said channel,wherein said channel is substantially parallel to said inner surface of said head protecting cap portion when said at least one blockish inside pad is retained within said head protecting cap portion;wherein at least one of said plurality of connecting mechanisms is configured to removably attach said at least one blockish inside pad to said inner surface of said head protecting cap portion by retaining said engaging pin within said notched engaging hole by moving said engaging pin into said channel at said mouth through said narrow portion to said notched engaging hole, and by directly pulling said at least one blockish inside pad from inside said head protecting cap portion to a position partly below the helmet so that said engaging pin exits said channel from said notched engaging hole through said narrow portion and out said mouth simultaneously as the at least one blockish inside pad is directly pulled, thus disengaging said engaging pin from said notched engaging hole. 27. A helmet according to claim 26, wherein a pull member is attached to said at least one blockish inside pad to directly pull said at least one blockish inside pad outward from inside said head protecting cap portion. 28. A helmet according to claim 26, wherein each of said at least one blockish inside pad is attached to said head protecting cap portion by a plurality of said connecting mechanisms, and one of said plurality of connecting mechanisms comprises a recess-projection fitting mechanism capable of serving as a pivot fulcrum about which said blockish inside pad pivots toward the head protecting cap portion side, and each of remaining ones of said connecting mechanisms comprises said recess-projection engaging mechanism. 29. A helmet according to claim 28, wherein said recess-projection fitting mechanism comprises a round hook including a second male hook and a second female hook, wherein said second male hook is configured to detachably fit with said second female hook by recess-projection fitting. 30. A helmet according to claim 26, wherein one of said first female hook and said first male hook further comprises a removal-preventive head portion which prevents said engaging shaft portion from levitating from said notched engaging hole and coming out therefrom. 31. A helmet according to claim 26, wherein said engaging pin comprises said first male hook attached to said at least one blockish inside pad side. 32. A helmet comprising: (a) a head protecting cap portion comprising an inner surface;(b) at least one blockish inside pad, wherein said at least one blockish inside pad is configured to be disposed within said head protecting cap portion; and(c) a plurality of connecting mechanisms comprising: (i) a recess-projection engaging mechanism comprising; (A) an engaging pin non-slidably and mechanically coupled to either said at least one blockish inside pad or said inner surface; and(B) a channel disposed on the other of said at least one blockish inside pad or said inner surface, the channel comprising; (I) a notched engaging hole, wherein said engaging shaft portion engages said notched engaging hole;(II) a mouth; and(III) a narrow portion, wherein said narrow portion connects said mouth to said notched engaging hole to form said channel, wherein said channel is substantially parallel to said inner surface of said head protecting cap portion when said at least one blockish inside pad is retained within said head protecting cap portion; and(d) an inclined guide surface adjacent said notched engaging,wherein at least one of said plurality of connecting mechanisms is configured to removably attach said at least one blockish inside pad to said inner surface of said head protecting cap portion by retaining said engaging pin within said notched engaging hole by moving said engaging pin into said channel at said mouth through said narrow portion to said notched engaging hole, and by directly pulling said at least one blockish inside pad from inside said head protecting cap portion to a position partly below the helmet so that said engaging pin exits said channel from said notched engaging hole through said narrow portion and out said mouth simultaneously as the at least one blockish inside pad is directly pulled, wherein said inclined guide surface is configured to support said engaging pin after said engaging pin has exited said mouth of the channel thus disengaging said engaging pin from said notched engaging hole. 33. A helmet according to claim 32, wherein said at least one blockish inside pad comprises a blockish inside pad for a left cheek and a blockish inside pad for a right cheek. 34. A helmet according to claim 32, wherein a pull member attached to said at least one blockish inside pad to directly pull said at least one blockish inside pad to substantially below the helmet from inside said head protecting cap portion. 35. A helmet according to claim 32, wherein said engaging pin is coupled to said at least one blockish inside pad, and said channel is disposed on said inner surface of said head protecting cap portion. 36. A helmet according to claim 32, wherein the engaging pin further comprises a male hook and a female hook that form an engaging shaft portion, wherein said engaging shaft portion engages said notched engaging hole.